| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 709239000 | Alternate path routing | 79 |
| 20080228943 | FAILURE PROTECTION IN A PROVIDER BACKBONE BRIDGE NETWORK USING SELECTIVE REDIRECTION - A technique for operating a network involves controlling the black-holing of traffic by selectively redirecting unicast traffic destined for a dual-homed customer equipment (CE) device from a first provider backbone bridge (PBB) provider edge (PE) device to a second PBB PE device in response to a service failure. Unicast traffic is selectively redirected from the first PBB PE device to the second PBB PE device for a time interval that is long enough to enable the customer source MAC address (CMAC)-to-backbone MAC address (BMAC) association of the second PBB PE device to be learned by other PBB PE devices. | 09-18-2008 |
| 20080250159 | Cybersquatter Patrol - An exemplary method includes providing a typographically erroneous domain name, tracing the domain name where tracing includes entering the domain name as part of a URL and recording one or more subsequent URLs, identifying a domain parking service for the domain name based at least in part on information in one of the recorded URLs, determining client identification information in at least one of the recorded URLs where the client identification information identifies a customer of the domain parking service and blocking one or more domain names based at least in part on the client identification information. Other exemplary technologies are also disclosed. | 10-09-2008 |
| 20080313348 | TECHNIQUES FOR PORT HOPPING - Techniques for port hopping are presented. A sender and a receiver engage in a communication session with one another and dynamically switch ports during that communication session. A decision to switch ports is based on a data length or packet count of a given transaction occurring during the communication session. The data length and packet count randomly and dynamically change during the communication session and varies from one transaction to another transaction. Any particular port to switch to during the communication session is also randomly and dynamically generated and varies from one transaction to another transaction. | 12-18-2008 |
| 20080313349 | CONNECTING A CLIENT TO ONE OF A PLURALITY OF SERVERS - In a client/server network, a client may be able to use any of several servers in accomplishing a particular task but may still have preferences as to which server should, if available, be used. If the preferred server is not available, the client will be connected to an alternate server. If a server having a higher preference than the alternate server becomes available, state information associated with the client session with the alternate server is used in order to decide when the client may be switched to the preferred server without compromising work currently being done. | 12-18-2008 |
| 20080320164 | METHOD AND APPARATUS FOR ROUTING OF NETWORK ADDRESSES - Methods and apparatuses for a management console to configure a router and one or more servers to route and bind network addresses respectively are described herein. In various embodiments, the management console may configure one or more servers of one or more local area networks, each of the one or more servers coupled to the management console, to route one or more network addresses to a router remotely disposed from the one or more servers, the routing to be through one or more networking tunnels through one or more networks correspondingly coupling the one or more servers to the router communicatively. Also, in some embodiments, the management console may configure the router to route the one or more network addresses to at least one recipient server coupled to the router for binding to the at least one recipient server, the at least one recipient server being also remotely disposed from the one or more servers. | 12-25-2008 |
| 20090037599 | Automatic Relaxing and Revising of Target Server Specifications for Enhanced Requests Servicing - A method, system and computer program product for dynamically modifying target server specifications to improve the success rate of client requests in a data network. A client's initial request is transmitted by a client router to a dynamically updating target server, based on information in a client's routing table. A Dynamic Server Specifications (DSS) utility automatically revises one or more target specifications of a client's request that is not initially fulfilled. The DSS utility then initiates the transmission of the modified request to an alternate server. If the request to the alternate server is also not fulfilled, the DSS utility may further modify the request to target an arbitrary server in order to download a current routing table. When the client receives a current routing table, the initial request is revised based on the current routing information, with full constraints re-established, and forwarded to the relevant target server. | 02-05-2009 |
| 20090037600 | LOAD BALANCING TECHNIQUES FOR INTER-DOMAIN TRAFFIC ENGINEERING - A method for balancing traffic across paths connecting a network to the Internet using a fractional allocation strategy for distributing the traffic from a congested selected path. The strategy includes: (a) associating the paths j with a counter i; (b) calculating the total initial selected path overload; (c) calculating the selected path load, wherein the load is equal to the initial selected path overload less the sum of the low capacity boundary for i path(s); (d) calculating the portion of the traffic on the selected path to be distributed using a bi-sectional search strategy; (e) distributing a portion of the traffic on the selected path to the other paths; and (f) stopping if there are no more paths (i=j), otherwise increasing the numerical value of the counter by one (1) and go to step (c). | 02-05-2009 |
| 20090055551 | RE-ROUTING METHOD AND SYSTEM - A method of re-routing a connection request by an end user of a network, comprising: selecting one or more proscribed destination sites in respect of which requests are to be re-routed; communicating information relating to the identity of the at least one proscribed destination site to a network service provider to which end users make requests for connection to various sites; arranging with the network service provider so that upon receipt by the network service provider, of a request by an end user for connection to a proscribed destination site, a connection is established between the network service provider and a desired destination site; and wherein the end user's request for connection to the proscribed destination site is routed to the desired destination site. | 02-26-2009 |
| 20090094380 | Shared storage network system and a method for operating a shared storage network system - A shared storage network system comprises at least one storage client and a plurality of storage servers, each providing a storage portion of the shared storage network system, each storage portion being divided into a plurality of sectors, each sector being divided into a plurality of blocks, a virtual block identifier being associated to each of the blocks such that the entirety of all of the virtual block identifiers of the blocks form a global block address space in which each of the virtual block identifiers is unique. The plurality of storage servers and the at least one storage client are grouped into a plurality of local area networks interconnected with preferred optical channels to form a global network. The at least one storage client is adapted to have read and/or write access to at least one block of at least one of the storage portions associated to one of the local area networks which differs from the local area network of the storage client. The plurality of local area networks are interconnected such that in case of a read or a write access of one of the at least one storage client to at least one of the blocks, the virtual block address of a block to which access is desired is translated into a physical block address to identify the physical block associated with the virtual block. The shared storage network system is further adapted to implement a storage data transmission scheme comprising an optical burst mode flow control and an optical stop-over burst transmission method. | 04-09-2009 |
| 20090100193 | Synchronization of state information to reduce APS switchover time - In one embodiment, an apparatus includes a controller configured for operation in an active automatic protection switching (APS) mode and an inactive APS mode and a processor operable when the controller is in the active mode to transmit a synchronization message to a corresponding APS node. The synchronization message includes state information for a connection with a peer node. The processor is further operable when the controller is in inactive mode to receive the synchronization message from the corresponding APS node, switch the controller from inactive mode to active mode upon receiving notification of a failure from the corresponding APS node, and establish a connection with the peer node without negotiating the connection with the peer node. Methods for synchronization of state information to reduce APS switchover time are also disclosed. | 04-16-2009 |
| 20090106451 | Methods and systems for boosting streaming from a distributed storage system - Methods and systems for retrieving content fragments stored in a distributed storage and retrieval system comprising a plurality of storage-and-computing elements. One method comprising, for each content fragment: determining the storage element type that stores the content fragment; determining a first storage-and-computing element physical address from which to retrieve the content fragment; and retrieving the content fragment from the storage-and-computing element located at the first physical address. Then repeating the retrieving of the content fragments, utilizing approximately the maximum available downlink bandwidth, until a minimal streaming buffer required for enabling the playing of a streaming or progressive download content is filled. | 04-23-2009 |
| 20090144445 | METHOD FOR TRANSMITTING MESSAGES - In order to provide a method for transmitting messages between a number of nodes ( | 06-04-2009 |
| 20090144446 | Remediation management for a network with multiple clients - An exemplary method directs client devices client devices in a computing network to a remediation node. A subset of the client devices to receives remediation services is identified with a single common label. Upon determining that one of the client devices originating a communication request packet is identified by the single common label, processing the communication request packet by routing the communication request packet to a redirection server, and transmitting from the redirection server to the one client device a hypertext transfer protocol (HTTP) command specifying that the one client device redirect communications to the remediation node so that remediation services can be supplied to the one client device via the remediation node. | 06-04-2009 |
| 20090182894 | DYNAMIC PATH COMPUTATION ELEMENT LOAD BALANCING WITH BACKUP PATH COMPUTATION ELEMENTS - In one embodiment, a first path computation element (PCE) operates between first and second network domains, and is adapted to service requests from path computation clients (PCCs) in at least the first domain. In response to a backup event (e.g., failure of a second PCE), a backup PCE in the second domain may be informed of path computation information for the first domain used by the first PCE, and tunnels may be bi-directionally established between the first PCE and the backup PCE. Once the tunnels are established, the backup PCE may be advertised into the first domain, and the backup PCE may operate to load balance service requests for the first domain through the bi-directionally established tunnels. | 07-16-2009 |
| 20090182895 | HANDHELD COMPUTER SYSTEM THAT ATTEMPTS TO ESTABLISH AN ALTERNATIVE NETWORK LINK UPON FAILING TO ESTABLISH A REQUESTED NETWORK LINK - A computer system that attempts to establish an alternative network link upon failing to establish a requested network link is described. The computer system may encounter conditions where access to numerous networks, in particular wireless networks, is not available. Rather than only providing an error message to the user upon a failed attempt to establish the requested network link, the computer system determines whether the user has designated an alternative network link in case the requested network link cannot be established, whereas the alternative network link is selected from the plurality of network links that the computer system is configured to support. If an alternative network link has been designated, the computer system attempts to establish the alternative network link. Hence, the user experience is made smooth and uneventful when the requested network link cannot be established. | 07-16-2009 |
| 20090198832 | EVENT TRIGGERED TRACEROUTE FOR OPTIMIZED ROUTING IN A COMPUTER NETWORK - In one embodiment, a network device (e.g., a master controller) may detect an event on a current path in a computer network from a local network domain to a destination address prefix of a remote domain. In response, the device may dynamically (e.g., intelligently) determine a trace target destination address within the destination address prefix, and may perform (or request performance of) a Traceroute of the current path and a selection of alternate paths in the network from the local network domain to the trace target, where the Traceroute is adapted to obtain per-hop measurements along the respective traced path. The measurements may then be stored, for example, to be used for optimal path selection, fault identification reporting, etc. | 08-06-2009 |
| 20090222579 | Apparatus and Methods for the Communication and Fault Management of Data in a Multipath Data Network - An apparatus and methods are provided for the communication of a data stream and management of faults in a multipath data network having a protected ring-in-ring network architecture. The data stream is communicated over redundant paths between various nodes located throughout the network. Each node is capable of dropping and inserting data from the data stream before passing it on to the next node. A single transmitter in communication with an intelligent splitter at each node is utilized to simultaneously transmit the data stream over the redundant paths. In the event of a fault over one of the paths in the network, the intelligent splitter manages the operation of the single transmitter so that the data stream is communicated over an alternate path to circumvent the fault. | 09-03-2009 |
| 20090240834 | MANAGEMENT APPARATUS, COMMUNICATION PATH CONTROL METHOD, COMMUNICATION PATH CONTROL SYSTEM, AND COMPUTER-READABLE STORAGE MEDIUM - A management apparatus manages relay apparatus information about communication of a relay apparatus, and connection information about a relay apparatus to which a communication apparatus is connected, and controls change of a communication path between communication apparatuses based on information including the relay apparatus information and the connection information. | 09-24-2009 |
| 20090248893 | REQUEST ROUTING - A system, method and computer-readable medium for request routing. A client request processing a resource identifier for requested content transmits a first DNS query to a content delivery network service provider. The content delivery network service provider transmits an alternative resource identifier in response to the client computing device DNS query. The client computing device then issues a second DNS query to the same content delivery network service provider. The content delivery network service provider can then either resolve the second DNS query with an IP address of a cache component or transmit another alternative resource identifier that will resolve to the content delivery network service provider. The process can repeat with the content delivery network service provider's network until a DNS server resolves a DNS query from the client computing device. | 10-01-2009 |
| 20090327519 | ADDING INDIVIDUAL DATABASE FAILOVER/SWITCHOVER TO AN EXISTING STORAGE COMPONENT WITH LIMITED IMPACT - High availability architecture that employs a mid-tier proxy server to route client communications to active data store instances in response to failover and switchover. The proxy server includes an active manager client that interfaces to an active manager in each of the backend servers. State information and configuration information are maintained separately and according to semantics consistent with needs of corresponding data, the configuration information changing less frequently and more available, the state information changing more frequently and less available. The active manager indicates to the proxy server which of the data storage instances is the currently the active instance. In the event that the currently active instance is inactive, the proxy server selects a different backend server that currently hosts the active data store instance. Client communications are then routed to the different backend server with minimal or no interruption to the client. | 12-31-2009 |
| 20100005193 | DEVICES AND SYSTEM OF INTERCONNECTING SUCH DEVICES IN A FAULT-RESISTANT TOPOLOGY - A device for measuring a physical quantity in a wired electrical network, such as a local area network (LAN) or Ethernet, has a unique network address and a first interface connected to a wired network and configured to receive and transmit data. To reduce costs for materials and the complexity of cabling, the device further includes a switch for connection to an additional device and for forwarding data, preferably in the form of data packets, to the additional device. A system includes several such devices, arranged in a chain or ring topology, and can forward data to other such devices based on the device addresses. The disclosed device configuration eliminates expensive and difficult to install switches frequently required in the center of a star configuration. | 01-07-2010 |
| 20100011122 | METHOD OF BUFFERING TO REDUCE MEDIA LATENCY IN GROUP COMMUNICATIONS ON A WIRELESS COMMUNICATION NETWORK - A system and method for minimizing latency for direct group communications, such as push-to-talk (PTT) calls, among a group of wireless telecommunication devices on a wireless telecommunication network. The wireless telecommunication device has a dormant state without an open dedicated traffic channel for communications therefrom and an active state in which the wireless devices opens a dedicated traffic channel for an outgoing communication from the wireless telecommunication device, to include a direct communication stream. Either the wireless telecommunication device or an intermittent communication server for group communication streams can buffer the initial communication data of a group communication stream while the sending and/or receiving wireless telecommunication device changes from a dormant state to an active state with an open dedicated traffic channel. | 01-14-2010 |
| 20100036968 | VARIABLE PATH MANAGEMENT OF USER CONTACTS - Systems, methods, and computer-readable mediums for managing at least one subset of user contacts on a telecommunications device are provided. In one embodiment, a software application executed by a processor of a telecommunications device identifies a first subset of contacts selected at least in part by a user of the telecommunications device and a second subset of contacts. Each of the first and second subsets of contacts includes a portion of the user's contacts accessible by the telecommunications device. The software application executed by the processor of the telecommunications device then causes display of a graphical identifier associated with each contact of the first subset of contacts in a first arrangement on a display of the telecommunications device about a first axis positioned external to the display of the telecommunications device. The software application further causes display of a graphical identifier associated with each contact of the second subset of contacts in a second arrangement on a display of the telecommunications device about a second axis positioned external to the display of the telecommunications device. Aspects of systems, methods, and computer-readable mediums for further arranging the graphical identifiers are also provided. Even further, aspects of systems, methods, and computer-readable mediums for providing functionality associated with the graphical identifiers are provided. | 02-11-2010 |
| 20100042744 | METHOD AND APPARATUS FOR PROVIDING ALARM CORRELATION FOR A GATEWAY ROUTER - A method and an apparatus for providing alarm correlation for a gateway router are disclosed. For example, the method receives one or more alarms, wherein each of the one or more alarms having a message signature in accordance with a router redundancy signaling protocol. The method then identifies one or more root causes by correlating the one or more alarms in accordance with the message signatures. | 02-18-2010 |
| 20100057933 | PROBABILISTIC MESH ROUTING - Routing messages using unreliable routing data. A method includes receiving a message from a computer readable communication medium. Characteristic properties of the message are calculated so as to determine state requirements for a service instance at a service for processing of the message. An attempt is made to acquire an appropriate service instance that satisfies the state requirements for processing the message. A determination is made that attempting to acquire an appropriate service instance that satisfies the state requirements for processing the message is not successful at acquiring an appropriate service instance. As a result, the message is redirected using an unreliable local cache of routing information and without coordination between processing nodes. | 03-04-2010 |
| 20100082841 | UPDATING MACHINES WHILE DISCONNECTED FROM AN UPDATE SOURCE - Disclosed are exemplary embodiments for updating a networked machine having at least a dormant state and an active state. In various embodiments, when the machine it is a dormant state, it listens to a network for candidate updates, that is, updates that may be applicable to the machine. In some embodiments, determining the candidate update is an applicable update for the machine may be based at least in part on a variety of reasons, including testing if it has already been applied, does not actually update some aspect of the machine, conflicts with an existing configuration of the machine, conflicts with a policy of the machine, etc. The machine may cache some or all of the candidate updates or applicable updates, where a variety of rationales or policies may be used to control update retention. When the machine enters an active state, such as a power on or non-sleep mode, or other active state, the machine may validate integrity of an applicable update if not done while the machine was dormant, and optionally choose to install it. | 04-01-2010 |
| 20100106855 | SCALABILITY AND REDUNDANCY IN AN MSC-SERVER BLADE CLUSTER - This invention relates to the field of Telecommunications, in specific to a distribution mechanism for distributing calls within a Mobile Switching Center Server Blade Cluster. In particular, a method and a corresponding distributor entity for providing scalability and redundancy in blade cluster comprising a plurality of server blades of a telecommunication system are disclosed. The method comprises the steps of receiving a message of a subscriber comprising a unique subscriber identifier determining by use of the unique subscriber identifier a first value and determining by said first value a first server blade of said blade cluster, Further, by use of the unique subscriber identifier a second value is determined and by use of said second value a second server blade of said blade cluster, whereby the first server blade is excluded from being determined. | 04-29-2010 |
| 20100115128 | TARGET ROUTING BY INITIATOR - An illustrative embodiment provides a computer-implemented method for target routing by initiator, using Internet small computer system interface. The computer-implemented method obtains a logical unit number configuration, containing a set of logical unit numbers, determines whether an initiator Internet protocol address, associated with a requester, has a mapping to a logical unit number in the set of logical unit numbers. The computer implemented method further sets a path for an input output/request from the requester to a backing file, according to the mapping, and returns success to the requester. | 05-06-2010 |
| 20100121979 | DISTRIBUTED DENIAL OF SERVICE CONGESTION RECOVERY USING SPLIT HORIZON DNS - A method for congestion recovery during a denial of service attack involves creating a split horizon zone on a server, where the split horizon zone includes a fictitious zone mapped to a fictitious address, receiving and investigating requests from clients, designating a malicious client based on investigating the requests, where the malicious client is associated with a client address, assigning the client address to the fictitious zone, and routing network traffic from the malicious client to the fictitious address. | 05-13-2010 |
| 20100125673 | REQUEST ROUTING UTILIZING CLIENT LOCATION INFORMATION - A system, method, and computer-readable medium for request routing based on client location information are provided. A content delivery network service provider receives a DNS query from a client computing device. The DNS query corresponds to a resource identifier for requested content from the client computing device. The content delivery network service provider transmits an alternative resource identifier in response to the client computing device DNS query. The alternative resource identifier is selected as a function of client location information. The client location information is obtained from information corresponding to a mapping of at least partial IP addresses to known locations. The client computing device then issues a second DNS query to the same content delivery network service provider. The content delivery network service provider can then either resolve the second DNS query with an IP address of a cache component or transmit another alternative resource identifier that will resolve to the content delivery network service provider. The process can repeat with the content delivery network service provider's network until a DNS server resolves a DNS query from the client computing device. | 05-20-2010 |
| 20100146149 | DYNAMIC PATH COMPUTATION ELEMENT LOAD BALANCING WITH BACKUP PATH COMPUTATION ELEMENTS - In one embodiment, one or more path computation requests from path computation clients (PCCs) in a first network domain are received at a first border router (BR) arranged at the border of the first network domain and a second network domain. The first BR learns of a path communication element (PCE) in the second network domain. The PCE in the second network domain is informed of path computation information for the first network domain. One or more tunnels are established between the first BR and the PCE in the second network domain. One or more path computation requests from PCCs in the first network domain are passed from the first BR, through the one or more tunnels, to the PCE in the second network domain, to be serviced by the PCE in the second network domain using the path computation information for the first network domain. | 06-10-2010 |
| 20100318679 | METHOD AND SYSTEM FOR CONTENT-BASED ROUTING OF NETWORK TRAFFIC - A method, computer program product, and system for routing computer network traffic include associating, on a routing device, a unique identifier with at least one application server running an application. Network traffic that includes the unique identifier and an intended network address may be received. In response to receiving the network traffic at least one of the application servers associated with the unique identifier may be identified. The network traffic may be forwarded to at least one of the application servers associated with the unique identifier. | 12-16-2010 |
| 20110099292 | HANDHELD COMPUTER SYSTEM THAT ATTEMPTS TO ESTABLISH AN ALTERNATIVE NETWORK LINK UPON FAILING TO ESTABLISH A REQUESTED NETWORK LINK - A computer system that attempts to establish an alternative network link upon failing to establish a requested network link is described. The computer system may encounter conditions where access to numerous networks, in particular wireless networks, is not available. Rather than only providing an error message to the user upon a failed attempt to establish the requested network link, the computer system determines whether the user has designated an alternative network link in case the requested network link cannot be established, whereas the alternative network link is selected from the plurality of network links that the computer system is configured to support. If an alternative network link has been designated, the computer system attempts to establish the alternative network link. Hence, the user experience is made smooth and uneventful when the requested network link cannot be established. | 04-28-2011 |
| 20110167172 | METHODS, SYSTEMS AND COMPUTER READABLE MEDIA FOR PROVIDING A FAILOVER MEASURE USING WATCHER INFORMATION (WINFO) ARCHITECTURE - Methods, systems, and computer readable media system for collecting and distributing session initiation protocol (SIP) event watcher entity subscription information in a communications network are disclosed. According to one aspect, the method includes receiving, at a first notifier server from a watcher entity client, a first subscription request for SIP event information associated with one or more watched entity clients. The method also includes receiving, at a watcher information (WINFO) entity, SIP event subscription information that includes an identifier indicating that the first notifier server serves the watcher entity client, storing the SIP event subscription information in the WINFO entity, detecting the unavailability of the first notifier server. The method further includes sending an instruction message, based on the identifier in the stored SIP event subscription information, to direct the watcher entity to generate a second subscription request associated for the SIP event information. | 07-07-2011 |
| 20110173343 | ZONE ROUTING IN A TORUS NETWORK - A system for routing data in a network comprising a network logic device at a sending node for determining a path between the sending node and a receiving node, wherein the network logic device sets one or more selection bits and one or more hint bits within the data packet, a control register for storing one or more masks, wherein the network logic device uses the one or more selection bits to select a mask from the control register and the network logic device applies the selected mask to the hint bits to restrict routing of the data packet to one or more routing directions for the data packet within the network and selects one of the restricted routing directions from the one or more routing directions and sends the data packet along a link in the selected routing direction toward the receiving node. | 07-14-2011 |
| 20110320633 | SYSTEM AND METHODS FOR A MANAGED APPLICATION SERVER RESTART - Systems and methods for managing the traffic handled by an application server while the application server is in the process of restarting is disclosed. An application server has a plurality of internal processing units. When the application server is restarted, it signals a forwarding node to cease forwarding traffic to the internal processing units. When all of the nodes are ready, or at the expiration of a predetermined time interval, the application server signals the forwarding node to resume forwarding traffic to the internal processing units. | 12-29-2011 |
| 20120096181 | ROUTING MESSAGES OVER A NETWORK OF INTERCONNECTED DEVICES OF A NETWORKED CONTROL SYSTEM - The invention relates to routing messages over a network of interconnected devices of a networked control system, particularly to routing messages for individually controlling devices of a networked control system such as light sources of a lighting system. A basic idea of the invention is to determine a routing path for a message from a sender device to a destination device through the grid of interconnected devices of a networked control system, and to change the routing path, when a faulty device is contained in the routing path, in order to route the message around the faulty device, instead of determining an entirely new routing path. Thus, an efficient routing of a message over a network of interconnected device may be provided. An embodiment of the invention provides a method for routing messages over a network of interconnected devices ( | 04-19-2012 |
| 20120096182 | METHOD AND APPARATUS FOR COMPUTING A BACKUP PATH USING FATE-SHARING INFORMATION - To address shortcomings in the prior art, the invention uses fate sharing information to compute backup paths. Fate sharing information relates groups of nodes or links according to common characteristics, attributes, or shared resources (e.g., a shared power supply, close proximity, same physical link). In one embodiment, fate-sharing information includes costs associated with groups of nodes or links. When a primary path contains a link or node that is in a fate-sharing group, the other links or nodes in the fate-sharing group are assigned the cost associated with that fate-sharing group. The node computing the backup path takes into account the assigned cost together with other node and link costs. Discovering the existence of the relationships and assigning costs to the groups may be done manually or automatically. | 04-19-2012 |
| 20120102223 | REDIRECTION OF REQUESTS FOR TARGET ADDRESSES - In one embodiment, a first network device may receive a request for an identifier of at least one target to service a client. The first network device may obtain an identifier of each of two or more targets. The first network device may then determine whether to redirect the request. The first network device may redirect the request to a second network device according to a result of the determining step, where the first network device is in a first autonomous system and the second network device is in a second autonomous system. | 04-26-2012 |
| 20120144062 | MPTCP And Mobile IP Interworking - Systems, methods, and instrumentalities are disclosed that provide coordination between MPTCP and mobile IP (MIP). An MPTCP session may be established between a mobile node and a correspondent node. MIP and simple IP subflows may be established in the MPTCP session. The mobile node may activate MIP and establish a first subflow via MIP. The first subflow may be associated with a first path that may be routed through a first home agent. The mobile node may deactivate MIP and establish a second subflow via simple internet protocol (IP). The second subflow may be associated with a second path that is not routed through a home agent. | 06-07-2012 |
| 20120191872 | SYSTEM AND METHOD FOR ASSURING SERVICE OF SESSIONS CREATED BY SESSION INITIATION PROTOCOL (SIP) IN AN INTERNET PROTOCOL NETWORK - A system for assuring service of SIP sessions in an internet protocol (IP) network, includes a plurality of probes connected to a plurality of network operators at a plurality of locations in the network and generating a plurality of event streams, and a service assurance manager which performs pattern matching to determine if an event pattern in the plurality of event streams matches a pre-defined event pattern, updates network data including a network operator data model and network routing characteristics based on a result of the pattern matching, and performs a correction based on the updated network data, the correction including avoiding a problematic portion of the network by one of session steering, session routing and session throttling. | 07-26-2012 |
| 20120239822 | SYSTEMS AND METHODS FOR SEAMLESS COMMUNICATIONS RECOVERY AND BACKUP USING NETWORKED COMMUNICATION DEVICES - A recovery network may provide communication recovery and backup services to an organization. The organization may comprise an internal network, such as Internet Protocol (IP) network. An alternative communication path communicatively couples communication devices of the organization to a public communication network. A recovery application operates on devices of the organization. The recovery network receives periodic availability indicators from devices within the organization. The recovery network identifies a communication endpoint of the intended recipient of a communication request using the availability indicators. | 09-20-2012 |
| 20120246339 | NETWORK EQUIPMENT AND METHOD FOR SELECTING COMMUNICATION PATH - A network equipment is in communication with customer premises equipment (CPE) through a primary electrical path and a secondary electrical path, and includes a timer, a processor and a switching device. The timer provides heartbeat packets for the CPE via the primary electrical path and the secondary electrical path to obtain a first response time and a second response time corresponding to the primary and secondary electrical paths. The switching device is switched to the primary electrical path or the secondary path under the control of the processor. When the timer reaches a preset retransmission timeout, the processor controls the switching device to be switched to the secondary electrical path from the primary electrical path. When the second response time exceeds the first response time at least twice in succession, the processor enables the switching device to be selectively switched to the primary electrical path. | 09-27-2012 |
| 20120317308 | ON-DEMAND ADAPTIVE BITRATE MANAGEMENT FOR STREAMING MEDIA OVER PACKET NETWORKS - A system and method for acquiring media data to be transmitted through a media network to a terminal and receiving a receiver report from the terminal, and estimating the condition of the network using information from the receiver report. Determining a data path based on whether the media network is congested, wherein the data path is a compression data path if the media network is congested, or the data path is a pass-through data path if the media network is not congested; and providing the media data through the determined data path. | 12-13-2012 |
| 20130013809 | MANAGING HOST ROUTES FOR LOCAL COMPUTER NETWORKS WITH A PLURALITY OF FIELD AREA ROUTERS - In one embodiment, a particular field area router (FAR), in a local computer network (e.g., a mesh network) having a plurality of FARs, advertises a common subnet prefix assigned to the local computer network into a global computer network. Each of the plurality of FARs of the local computer network is configured to accept any traffic destined to the local computer network, and a tunnel overlay is built among the plurality of FARs. Upon receiving a packet at the particular FAR destined to a particular device in the local computer network, and in response to the particular FAR not having a host route to the particular device, it forwards the packet on the tunnel overlay to another of the plurality of FARs of the local computer network. | 01-10-2013 |
| 20130067112 | ON-DEMAND CONTEXTUALLY AWARE STEERING RULES - A server device may store policy information that includes subscription information associated with one or more user devices, and an indication of how to route traffic upon detecting traffic associated with the one or more user devices associated with the stored subscription information. The server device may receive information associated with a particular traffic flow, where at least some of the received information is derived from the particular traffic flow. The server device may compare the received information to the stored policy information. The server device may detect, based on the comparing, that the particular traffic flow is associated with a particular one of the one or more user devices associated with the stored subscription information. The server device may route the particular traffic flow based on the stored policy information. | 03-14-2013 |
| 20130103854 | ROUTING NETWORK TRAFFIC - A traffic manager ( | 04-25-2013 |
| 20130124756 | UNAUTHENTICATED REDIRECTION REQUESTS WITH PROTECTION - A redirection object may be obtained, based on a current request of a current requestor. The redirection object request may be associated with a response to a previous request for a redirection to a destination network location, the previous request associated with a previous requestor. A current transmission origination location associated with a current requestor transmission of the current request may be determined. It may be determined whether the current transmission origination location includes a similarity to a previous transmission origination location associated with a previous transmission of the previous request, based on identification information included in the redirection object. It may be determined whether to initiate a redirect operation of the current requestor to the destination network location, based on a result of the determining of the similarity between the current transmission origination location and the previous transmission origination location. | 05-16-2013 |
| 20130145042 | Proximity Detection for Media Proxies - A method of detecting proximity between a media proxy and a client uses a proximity probe to query a plurality of media proxies, forcing the media proxies to respond to a proximity server. The proximity server uses an algorithm to determine which media proxy is closest to the client based on the responses. In an alternate embodiment, the same sorts of proximity probes may be used to determine if two media endpoints have a direct connection such that they may bypass a media proxy. | 06-06-2013 |
| 20130159548 | ASSISTED TRAFFIC ENGINEERING FOR MINIMALISTIC CONNECTED OBJECT NETWORKS - In one embodiment, a distributed intelligence agent (DIA), hosted on a border router that provides access for a computer network to a global computer network, determines a routing topology of the computer network, and also computes a traffic matrix for the computer network based on source and destination addresses of traffic traversing the DIA, the traffic matrix providing an estimate for an amount of traffic on each link of the routing topology. Accordingly, the DIA may determine one or more portions of the routing topology for which traffic engineering (TE) should be applied based on a threshold for traffic loads on the links, and may notify one or more nodes in the computer network to change its respective current next-hop in the routing topology to an alternate next-hop based on a TE solution computed by the DIA. | 06-20-2013 |
| 20130159549 | DEVICE COMMUNICATIONS OVER UNNUMBERED INTERFACES - A method and a network device for enabling communication between unnumbered interfaces are provided. A device level address may be assigned to a network device. The network device may announce the assigned device level address to a neighboring network device over a link. A corresponding device level address associated with the neighboring network device may be received over the link. A route may be stored including the received device level address associated with the neighboring network device and the link. In some implementations, the announcement of the assigned device level address is performed during protocol configuration. | 06-20-2013 |
| 20130227168 | LOCATION MANAGER, INFORMATION PROCESSING SYSTEM AND LOCATION DESIGN METHOD - A location manager includes a memory and a processor coupled to the memory. The processor executes a process including extracting a combination of a transfer device and a path by using topology information indicating a relation of connections among transfer devices. The process including calculating a sum of an amount of electric power consumed by the transfer device being included in the combination to store the data and an amount of electric power consumed by transfer devices on a path included in the combination to transfer the data. The process including selecting a combination of which the sum of electric power calculated at the calculating is a minimum sum out of the combinations extracted at the extracting. The process including outputting information indicating the combination selected at the selecting. | 08-29-2013 |
| 20130232277 | Transmitting and Forwarding Data - A network comprises a communication device having network communication interfaces and a data processing node having network communication ports. The communication device includes a first and a second interface communicatively coupled to a first and a second port of the data processing node respectively. The first interface is selected as a primary interface for the transmission of network traffic to destinations across the network. The second interface is selected as a backup interface which is to be selected for the transmission of the network traffic in the case of a need to failover to the backup interface. Network traffic from the communication device is transmitted via the first interface while the first interface is selected as the primary interface. At least one data message is transmitted from the communication device via the second interface, while the first interface is selected as the primary interface. | 09-05-2013 |
| 20130275619 | ROUTER, METHOD FOR USING CACHE WHEN CONTENT SERVER IS UNREACHABLE, AND PROGRAM - Provided is a router to acquire a content, even when accessibility to a server is impossible due to a network failure. The router comprises: a unit for storing content data included in a content reply message transmitted from a content server; a unit for, when the content server becomes unreachable, broadcasting, to other routers, an MBC setting request message configured to set guidance information in the other routers, the guidance information being used, when a content request message which requests the content server for the content data is transmitted from a content request node, to transfer the content request message to the own router; and a unit for replying a content reply message including the stored content data, when the content request message used to request the content server for the content data is transferred in accordance with the guidance information. | 10-17-2013 |
| 20130304938 | MINIMIZING INTERFERENCE IN LOW LATENCY AND HIGH BANDWIDTH COMMUNICATIONS - A central coordinator can execute operations to minimize in-network contention and external network interference in a communication network. The central coordinator can determine to switch to alternate communication channel if performance of the alternate communication channel surpasses the performance of a current communication channel. A multicast channel switch message is transmitted to a plurality of client devices associated with the central coordinator. If an acknowledgement for the multicast channel switch message is not received from a first client device, the central coordinator causes remainder of the plurality of client devices to defer switching to the alternate communication channel and transmits a unicast channel switch message to the first client device. The central coordinator and the associated client devices switch to alternate communication channel after an acknowledgement is received from all the client devices. | 11-14-2013 |
| 20130311673 | COMMUNICATIONS NETWORK MANAGEMENT - The present invention provides a communications network which is divided into a plurality of segments, with, each segment comprising one or more routers and one or more communications links that connect the routers. Each of the segments also comprises a segment management module. Each of the segment management modules reports to a supervisory management module and the communications network may comprise one or more supervisory management modules. If a segment management module predicts that a QoS threshold will be breached then it may re-route a data flow within that segment. If such a re-route is not possible then it will send a request to its supervisory management module to initiate a re-routing to a further segment. | 11-21-2013 |
| 20140068105 | COMPUTING DISJOINT PATHS FOR REACTIVE ROUTING MESH NETWORKS - In one embodiment, a reactive routing computer network may be partitioned into diverse logical topologies, and a source node may transmit route request (RREQ) messages toward a destination node on each logical topology. In response, the source node may receive route reply (RREP) messages indicating routes to the destination node in each logical topology. The source node may thus select a route for each logical topology to reach the destination node, accordingly. In another embodiment, if partitioned logical topologies do not produce two or more routes or as a standalone embodiment, the source node may transmit RREQ messages toward the destination node without any corresponding logical topology. The destination node receives RREQ messages, and two or more routes from the source node to the destination node may be determined (e.g., by the destination or source node) based on the received RREQ messages at the destination node and path selection criteria. | 03-06-2014 |
| 20140089521 | WIKI-TYPE COLLECTIVE INTELLIGENCE MECHANISM FOR IMPLEMENTING A URL REDIRECT - A computer system implements a method to redirect a user request containing a keyword to a target URL. Once received by the system, the user request is processed to extract the keyword. The keyword is then utilized to retrieve a target URL associated with the keyword. Such association is pre-established by the collective intelligence of a user community. The collective intelligence of the user community builds consensuses in establishing keyword-URL associations. After the target URL is retrieved, the user request is redirected to the target URL, as a response to the original user request received. | 03-27-2014 |
| 20140122741 | MULTIPLE PATH AVAILABILITY BETWEEN WALKABLE CLUSTERS - In one embodiment, a method comprises creating, in a computing network, a hierarchal routing topology for reaching a destination, the hierarchal routing topology comprising a single parent supernode providing reachability to the destination, and a plurality of child supernodes, each child supernode comprising one or more exit network devices each providing a corresponding link to the parent supernode; receiving, in one of the child supernodes, a data packet for delivery to the destination; causing the data packet to traverse along any available data link in the one child supernode independent of any routing topology established by network devices in the one child supernode, until the data packet reaches one of the exit network devices; and the one exit network device forwarding the data packet to the parent supernode, via the corresponding link, for delivery to the destination. | 05-01-2014 |
| 20140129733 | UNIFORM RESOURCE LOCATOR MAPPING AND ROUTING SYSTEM AND METHOD - A uniform resource locator (URL) mapping and routing system and method for generating, routing, and managing URLs is used to route internet users to application landing pages or websites based on a URL mapping scheme. Routing instructions for the URL may route a user accessing a URL to a destination landing page or an alternate landing page depending on routing instructions in the URL mapping scheme. | 05-08-2014 |
| 20140156868 | Proximity Detection for Media Proxies - A method of detecting proximity between a media proxy and a client uses a proximity probe to query a plurality of media proxies, forcing the media proxies to respond to a proximity server. The proximity server uses an algorithm to determine which media proxy is closest to the client based on the responses. In an alternate embodiment, the same sorts of proximity probes may be used to determine if two media endpoints have a direct connection such that they may bypass a media proxy. | 06-05-2014 |
| 20140195694 | LOOP AVOIDANCE FOR EVENT-DRIVEN VIRTUAL LINK AGGREGATION - Embodiments of the invention relate to virtual link aggregation. One embodiment includes forming one or more virtual links using physical links connecting a first networking element, a second networking element and a third networking element. A first trigger status indication is used for blocking network traffic for avoiding traffic loops occurring over the one or more virtual links. | 07-10-2014 |
| 20140195695 | METHOD AND APPARATUS TO DISTRIBUTE DATA CENTER NETWORK TRAFFIC - Exemplary embodiments provide a technique to improve the system availability of the systems that have multiple links and are connected to a network fabric. In one embodiment, a switch comprises: a memory storing a first logical group which has a first plurality of IP addresses of a first plurality of ports and is assigned to a first ID (identifier), and a second logical group which has a second plurality of IP addresses of a second plurality of ports and is assigned to a second ID; and a controller controlling to cause a logical path of the first logical group to use a first physical path which is different from a second physical path to be used by a logical path of the second logical group, based on the first ID and the second ID. | 07-10-2014 |
| 20140258555 | MOBILE DEVICE APPLICATION FOR AUTOMATIC FILTERING OF TRANSMITTED DATA CONTENT - A communications device is provided. This includes a processor adapted to receive one or more identified data sources from at least one network database. An applications component is configured to determine one or more network applications that communicate with the processor based in part on the one or more identified data sources. A filter can be configured to at least partially disable data exchanges to the one or more identified data sources during communications with at least one of the one or more network applications. | 09-11-2014 |
| 20140304427 | MANAGING HOST ROUTES FOR LOCAL COMPUTER NETWORKS WITH A PLURALITY OF FIELD AREA ROUTERS - In one embodiment, a particular field area router (FAR), in a local computer network (e.g., a mesh network) having a plurality of FARs, advertises a common subnet prefix assigned to the local computer network into a global computer network. Each of the plurality of FARs of the local computer network is configured to accept any traffic destined to the local computer network, and a tunnel overlay is built among the plurality of FARs. Upon receiving a packet at the particular FAR destined to a particular device in the local computer network, and in response to the particular FAR not having a host route to the particular device, it forwards the packet on the tunnel overlay to another of the plurality of FARs of the local computer network. | 10-09-2014 |
| 20150046601 | NETWORK SYSTEM, MAINTENANCE WORK MANAGEMENT METHOD, PROCESSING APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM RECORDING PROGRAM - An influence determination unit configured to determine whether each path in a network system is a prospective to be affected path affected by maintenance work or a prospective to be unaffected path not affected by the maintenance work by referring to path management information, a path influence information output unit configured to output a diagnosis result to a plurality of processing apparatuses as path influence information about each of the paths, a maintenance possibility diagnosis unit configured to conduct a diagnosis on whether the maintenance work is performable based on the path influence information of the paths connected, and a maintenance possibility information output unit configured to output the diagnosis result as maintenance possibility information is included, wherein maintenance work efficiency is improved in the network system by outputting permission information indicating permission or refusal of the maintenance work for maintenance object components based on the maintenance possibility information. | 02-12-2015 |
| 20150089081 | CO-EXISTENCE OF A DISTRIBUTED ROUTING PROTOCOL AND CENTRALIZED PATH COMPUTATION FOR DETERMINISTIC WIRELESS NETWORKS - In one embodiment, a device both communicates with a network operating a distributed proactive routing protocol, and participates in a centralized path computation protocol. The device communicates routing characteristics of the distributed proactive routing protocol for the network from the network to the centralized path computation protocol, and also communicates one or more computed paths from the centralized path computation protocol to the network, where the computed paths from the centralized path computation protocol are based on the routing characteristics of the distributed proactive routing protocol for the network. | 03-26-2015 |
| 20150113164 | Path Routing for Communication Sessions - Techniques for path routing for communication sessions are described. In at least some embodiments, a communication session refers to an exchange of communication data between different nodes in a network. According to various embodiments, a routing path for a communication session includes peering points between different networks to enable communication sessions to be routed between devices connected to the different networks. In an event that performance degradation occurs in a communication session over a particular routing path, techniques discussed herein enable the communication session to be rerouted to a different routing path. The different routing path, for example, may be indicated as providing a higher quality data flow than the original routing path. Thus, rerouting the communication session can improve the quality of user experience during the communication session. | 04-23-2015 |
| 20150113165 | FAULT-TOLERANT COMMUNICATIONS IN ROUTED NETWORKS - A method for providing fault-tolerant network communications between a plurality of nodes for an application, including providing a plurality of initial communications pathways over a plurality of networks coupled between the plurality of nodes, receiving a data packet on a sending node from the application, the sending node being one of the plurality of nodes, the data packet being addressed by the application to an address on one of the plurality of nodes, and selecting a first selected pathway for the data packet from among the plurality of initial communications pathways where the first selected pathway is a preferred pathway. | 04-23-2015 |
| 20150319081 | METHOD AND APPARATUS FOR OPTIMIZED NETWORK AND SERVICE PROCESSING - A fabric system is disclosed. The fabric system may be for a single cloud or multi-cloud environment and includes a services controller. The services controller communicates with at least one of a number of services, which are in turn in communication with an endpoint device. The services controller receives data packets from an open flow switch that is in communication with a client device. The data packets are destined to take a predetermined sub-optimal path through services that are not identical to the services. Based on certain policies, the services controller therefore alters the destined path by re-directing the data packets to an altered path so as to minimize the number of services performed on the data packets and accordingly informs an underlying network of the altered path. | 11-05-2015 |
| 20150365318 | Cross-domain protection interacting method and system - Disclosed are a cross-domain protection interacting method and system. The method includes: an interconnecting node on a cross-domain working path between a first domain and a second domain sends second identification information of the second domain to a first node in the first domain, wherein the first domain and the second domain are neighboring domains; when a link failure occurs in the first domain, an interconnecting backup node between the first domain and the second domain receives first failure state information sent by the first node, wherein the first failure state information carrying the second identification information; and the interconnecting backup node activates a second protection path in the second domain according to the second identification information, and uses a first protection path in the first domain and the second protection path to transmit a cross-domain service. The present invention can ensure protection independence in each domain and achieve an effect of interaction of cross-domain protection. | 12-17-2015 |
| 20160020995 | DYNAMIC REDIRECTION OF NETWORK TRAFFIC WITHIN A SYSTEM UNDER TEST - Redirecting network traffic within a system under test (SUT) can include receiving, within a proxy included within the SUT, a request sent from an upstream component that is directed to a downstream component, wherein the upstream component is configured to direct communications through the proxy. Within the proxy, the request can be redirected from the downstream component to a simulation component according to a routing rule within the proxy using a processor. A response can be received, within the proxy, from the simulation component and sent to the upstream component. | 01-21-2016 |
| 20160057052 | METHOD AND SYSTEM OF CHECKPOINT AND ROLLBACK RECOVERY FOR FORWARDING STATES OF A SOFTWARE-DEFINED NETWORKING (SDN) SYSTEM - Methods implemented in an electronic device are disclosed for checkpoint and rollback recovery in a SDN system. The method utilizes message identifiers to indicate an order of consistent states of forwarding tables of a plurality of network elements of the SDN system. The SDN controller of the SDN system receives a request to recover the network to a previous state, and identifies a consistent state of forwarding table for each of the plurality of network elements utilizing the message identifiers associated the consistent states, where the identified consistent states represent the previous state of the network without the identified consistent states being captured at the same time at the plurality of network elements. The SDN controller indicates the identified consistent state for each of the plurality of the network elements to a corresponding network element, where the corresponding network element makes its forwarding table consistent with the identified consistent state. | 02-25-2016 |
| 20160127222 | Communication method - The subject matter of the invention is a communication method comprising the establishment of a communication route to a target partner not reachable by direct addressing by by-passing a node blocking the direct connection, further comprising the steps of setting up a TURN server at one or more users of the communication network in response to a definite and pre-granted request or in advance, and implementing the communication route to be established via at least one mentioned TURN server, with the effective mutual authorisation management of the users involved in the communication session. | 05-05-2016 |
| 20160156547 | MODE SENSITIVE ENCRYPTION | 06-02-2016 |
| 20160164774 | SET UP OF DIRECT MAPPED ROUTERS LOCATED ACROSS INDEPENDENTLY MANAGED COMPUTE AND STORAGE NETWORKS - Embodiments relate to setting up direct mapped routers located across independently managed compute and storage networks for enabling multiple modes of communication over the cross-coupled links between the networks. An aspect includes identifying a characteristic of a local entity based on a unique location identifier assigned to the local entity and learning a characteristic of a remote entity based on a location identifier received over a cross-coupled link between the local entity and the remote entity. A port on a local entity router is then correlated with the received location identifier of the remote entity. A route is then built in the direct mapped router table at a location pointed to by the location identifier of the remote entity. An optimistic failover route is established from a storage entity to a compute entity when a cross-coupled link between the storage entity and the compute entity is broken. | 06-09-2016 |
| 20160197819 | SET UP OF DIRECT MAPPED ROUTERS LOCATED ACROSS INDEPENDENTLY MANAGED COMPUTE AND STORAGE NETWORKS | 07-07-2016 |
| 20160380804 | STORAGE CONTROL APPARATUS AND STORAGE CONTROL METHOD - A storage system includes a storage apparatus and a server apparatus. The storage apparatus includes a switching unit, a first storage control apparatus, and a second storage control apparatus. The first storage control apparatus includes a storage unit and a control unit. The storage unit stores path connection information. On detecting a restart condition of the second storage control apparatus, the control unit switches a second port from being connected at the switching unit to the second storage control apparatus on a second path to being connected to the first storage control apparatus on a third path, based on the path connection information, and then instructs the second storage control apparatus to restart. | 12-29-2016 |
| 20180026873 | EXPRESS ROUTE TRANSMISSIONS BETWEEN VIRTUAL MACHINES AND CLOUD SERVICE COMPUTING DEVICES | 01-25-2018 |
