Patent application number | Description | Published |
20080298260 | OPERATIONAL STATUS TESTING APPARATUS AND METHOD FOR ETHERNET-BASED AUTOMATIC PROTECTION SWITCHING PROCESS - Provided is an operational status testing apparatus and method for an Ethernet-based APS process. A test command signal which contains a command to perform an operational test for the APS process of a first node and a second test response signal that indicates that the operation of the APS process of a second node is performed normally, from among far end request signals that are received from the second node connected to own first node via an Ethernet network, are filtered. When the far end request signals are test command signals, a first test response signal that indicates that the operation of the APS process of the first node is performed normally is generated, and a top priority local request signal is selected based on priorities of the first test response signal and at least one local request signal that indicates the status of the APS process of the first node, and an output signal to be transmitted to the second node is determined based on priorities of the top priority local request signal and the filtered the far end request signal. The function for testing the operational status for the APS process defined in ITU-T recommendation G.8031 is embodied, and when an operational status test request is received from another node, the APS process can be tested effectively without having to perform a complicated diagnosis operation for the APS process. | 12-04-2008 |
20090080452 | Packet processing apparatus and method codex - A packet processing apparatus and method are provided. The packet processing apparatus changes a size of an input packet, analyzes the input packet to perform a second layer associated process, generates basic delivery headers of the input packet, processes the input packet to which the basic delivery headers are inserted according to a type of the input packet, transforms the header of the input packet to which the basic delivery headers are inserted, and transitions the header-transformed input packet to delivers the packet. Accordingly, it is possible to process various packets without addition of separate process to the packet processing apparatus. In addition, a use efficiency of a network processing unit can be optimized, so that it is possible to increase a packet processing rate and performance. | 03-26-2009 |
20090143910 | INTELLIGENT PRINTING SYSTEM WITH DELIVERY ROBOTS FOR DELIVERING PRINTED DOCUMENTS AND METHOD THEREFOR - An intelligent printing system includes a printed document delivery robot for delivering printed documents. The robot identifies a location of each user PC requesting for printing based on a network address of the PC and establishes a print plan based on the print request. Upon completion of a printing job, the robot travels along a movement path having the shortest distance to each user PC who has requested for printing. | 06-04-2009 |
20090154436 | METHOD AND APPARATUS FOR TRANSMITTING DATA OVER WIRELESS LAN MESH NETWORK - The present invention relates to a method and apparatus for transmitting data over a WLAN mesh network. Transmission sections of priority frames and general frames are initially set, and the priority frame transmission section is varied step-by-step within a specific range. Thus, QoS with respect to data requiring the real-time property can be guaranteed and transmission of general frames can be guaranteed to some degree. Accordingly, there is an effect that data transmission efficiency can be improved significantly. | 06-18-2009 |
20090157222 | NETWORK-BASED ROBOT SYSTEM AND METHOD FOR PERFORMING CONTENT TRANSMISSION/EXECUTION THEREIN - A network-based robot system for performing content transmission/execution includes a content management unit for managing contents created in a tree-like, hierarchical structure, and one or more robots connected to the content management unit over a network. Each robot requests the content management unit to provide a content to be executed by the robot, downloads the content from the content management unit via the network, and determines a content execution plan to execute the content depending on specification of the robot. | 06-18-2009 |
20090164638 | SYSTEM AND METHOD FOR UPLINK RESOURCE ALLOCATION IN MOBILE INTERNET - A system for uplink resource allocation in mobile Internet for remote-controlling robots includes a schedule policy table for storing therein priorities assigned to the robots to support required image qualities of images received from the robots and maximum allocatable uplink resource amounts for the robots; and a scheduler for allocating uplink resources to the robots based on the priorities, the maximum allocatable uplink resource amounts and required bandwidths received from the robots. Each of the robots includes a camera for taking the images; an encoder for encoding the images taken by the camera; and a mobile Internet terminal, having a transmission queue for temporarily storing therein the encoded images, for transmitting the encoded image in the transmission queue to a remote control center via the uplink resources allocated based on the required bandwidth, which is calculated based on status of the transmission queue. | 06-25-2009 |
20100135182 | HIGH-SPEED IP FLOW MEDIATION APPARATUS USING NETWORK PROCESSOR - There is provided a high-speed IP flow mediation apparatus using a network processor. The apparatus includes a server collecting flow information regarding IP traffic on a high-speed line and a network processor board analyzing the collected information according to Internet applications using a network processor, and transferring the analyzed flow information to a plurality of flow analysis systems. | 06-03-2010 |
20100272016 | METHOD FOR SUPPORTING TRANSPORT NETWORK INDEPENDENT IP MOBILITY IN MOBILE TERMINAL AND SYSTEM THEREOF - A method and system for supporting Internet protocol (IP) mobility independently of the IP version of a transport network are provided. The method includes providing a mobility control apparatus, which maps the home addresses of a plurality of mobile terminals, including first and second mobile terminals, and the Care-of-Addresses (CoAs) of the mobile terminals, and setting a first control tunnel between the mobility control apparatus and the first mobile terminal, the care-of-addresses varying from one transport network to another transport network; setting a second control tunnel between the mobility control apparatus and the second mobile terminal; and enabling the first and second mobile terminals to exchange a data packet with each other through the first and second control tunnels. | 10-28-2010 |
20100316039 | APPARATUS AND METHOD FOR GENERATING RANGING CODE - An apparatus for generating a ranging code extracts a ranging code in each ranging mode, using a ranging code table storing one period data in bytes of the PN code according to a reference UL PermBase number, and an offset table that stores byte offsets for the start positions of the PN codes of the reference UL PermBase number and the other plurality of UL PermBase numbers and bit offsets in the byte including the start positions, on the basis of the PN code according to the reference UL PermBase number. | 12-16-2010 |
20110013647 | IPV6 OVER IPV4 TRANSITION METHOD AND APPARATUS FOR IMPROVING PERFORMANCE OF CONTROL SERVER - The present invention relates to a method and apparatus for performing IPv6 over IPv4 transition to improve performance of a control server. When an edge router selected by the control server according to a tunnel creation request of an IPv6 terminal receives a tunnel creation request message from the control server, the edge router transmits a tunnel creation response message for the received tunnel creation request message to the IPv6 terminal through the control server, and the edge router performs IPv6 over IPv4 transition through a tunnel created by the IPv6 terminal that received the tunnel creation response message so as to improve the performance of the control server. Therefore, loads of the control server occurred because all terminals set control tunnels to the control server can be prevented, and service extensibility due to the increase in the number of subscribers can be guaranteed. | 01-20-2011 |
20110054684 | METHOD AND SYSTEM FOR TRANSFERRING/ACQUIRING OPERATION RIGHT OF MOVING ROBOT IN MULTI-OPERATOR MULTI-ROBOT ENVIRONMENT - In an operating system having a first controller configured to manage one or more robots included in a first region, and a second controller configured to manage one or more robots included in a second region adjacent to the first region, a method for enabling the second controller to acquire an operation right of N robots (where N is a natural number equal to or greater than 1) operated by the first controller, the method includes: transmitting a control mapping status (CMS) containing an operation right change message to the first controller, upon reception of an operation right request signal from a user of the N robots; and checking a connection status of the N robots, upon reception of the CMS containing the operation right change message from the first controller, and acquiring an operation right by providing CMS acquisition information and control mapping information to the robots included in the second region. | 03-03-2011 |
20110054691 | METHOD AND APPARATUS FOR BIRDS CONTROL USING MOBILE ROBOT - Provides is a method including receiving information on a surrounding situation detected by the mobile robot; detecting birds from the received surrounding situation information; allocating a birds control mission to the mobile robot by extracting a birds control pattern corresponding to the surrounding situation; and verifying a result in accordance with performing the allocated birds control mission from the mobile robot. By controlling the birds so as to, in advance, prevent a loss of lives and economical loss which may be caused when the birds collide with airplanes at the airport, it is possible to improve productivity and efficiency of a birds repelling job in an airport and provide construction of a new type of aviation maintenance business model by activating an air traffic control industry through providing a safer airplane operating model while saving operating personnel costs for preventing collision of birds. | 03-03-2011 |
20110080830 | DEVICE AND METHOD FOR PROVIDING FORWARDING INFORMATION AND QOS INFORMATION IN FLOW BASED NETWORK ENVIRONMENT - A device for providing forwarding and QoS information in a flow based network environment acquires first information and second information from a flow table therein on the basis of status information of a predetermined flow in order to provide dynamically updated information in a flow based network environment. When it is determined that first information and second information acquired based on a route ID of a series of information are updated, the flow table is updated and the updated information is provided. | 04-07-2011 |
20110082941 | METHOD OF PROVIDING DIRECT COMMUNICATION IN INTERNET PROTOCOL NETWORK - In order for a peer node to perform direct communication with a correspondent peer node in an Internet protocol network, the peer node receives a virtual address of the correspondent peer node from a server, and then when the peer node can directly set a tunnel with the correspondent peer node, the peer node sets a tunnel with the correspondent peer node, and when the peer node cannot directly set a tunnel with the correspondent peer node, the peer node sets a tunnel with a tunnel repeater. Thereafter, the peer node connects a virtual address of the correspondent peer node as route information to the tunnel. Thereby, a packet using a virtual address of the correspondent peer node as a destination is transmitted to the correspondent peer node through a predetermined tunnel. | 04-07-2011 |
20110085552 | SYSTEM AND METHOD FOR FORMING VIRTUAL PRIVATE NETWORK - Technology for forming a virtual private network (VPN) is provided. A VPN gateway that supports mobility with a connection node having a virtual home address (HoA) and a care of address (CoA) includes a mobility support unit, a data security unit, and a virtual address converter. When a packet is transferred from the connection node, the mobility support unit sustains a binding relationship between a home address (HoA) of the connection node and the changed CoA, and processes a mobility tunnel for the packet, thereby generating a first conversion packet. The data security unit performs a security test of the first conversion packet. The virtual address converter converts the HoA of the connection node, which is a source address of the first conversion packet in which the security test is complete, to a private network internal address that can be used in the VPN, thereby generating a second conversion packet. | 04-14-2011 |
20110149727 | APPARATUS AND METHOD FOR CONTROLLING TRAFFIC - A traffic control apparatus is provided which includes an interface connector to transmit/receive an Internet Protocol (IP) packet to/from an external circuit, a frame generator to receive the IP packet through the interface connector and to generate a Media Access Control (MAC) frame, and a network processor to transmit/receive the IP packet to/from the frame generator, to execute at least one programmable application, and to identify and classify the at least one programmable application. | 06-23-2011 |
20110153073 | FAULT TOLERANCE METHOD AND APPARATUS FOR ROBOT SOFTWARE COMPONENT - An apparatus for performing fault tolerance against a failure occurring during driving robot software components includes: a component executor for executing the robot software components, which are assigned with one thread from an operating system and have a same priority and cycle, by using the assigned thread; and an executor monitor for periodically monitoring the operation of the component executor and determining whether or not there is a failure in the robot software components executed by the component executor. The apparatus further includes: an executor manager for generating the component executor which is assigned with the robot software components having the same priority and cycle and, when the executor monitor determines that there is a failure in the execution of the robot software components, generating a new component executor. | 06-23-2011 |
20110267949 | QUALITY OF SERVICE-PROVIDING SYSTEM AND METHOD FOR PROVIDING QUALITY OF SERVICE IN THE SYSTEM - There are provided a quality of service (QoS)-providing system and a method for providing quality of service for mobile nodes in the QoS-providing system. Under a network environment running a host-based network layer mobility protocol based on tunneling mechanism, the QoS-providing system may be useful to allow effective mobility supports by distributing binding information to the distributed nodes, in order to provide session-based quality of service for tunneled packets between the mobile nodes on the access nodes and distribute traffic load concentrated on the central mobility control platform as well. Also, the QoS-providing system according to one exemplary embodiment of the present invention may be useful to provide the function of hiding locations of mobile nodes since a care-of address of the mobile node is not transferred to a correspondent node and to automatically perform a route optimization procedure even when the mobile node does not directly perform a route optimization procedure. | 11-03-2011 |
20110270996 | METHOD FOR CONFIGURING CLOSED USER NETWORK USING IP TUNNELING MECHANISM AND CLOSED USER NETWORK SYSTEM - A method for configuring a closed user network (CUN) using an IP tunneling mechanism and a CUN system are disclosed. In particular, disclosed is a technique of establishing a tunnel between a tunnel end edge device (TEED) and a control server by using an IP tunneling mechanism to allow terminals connected to the TEED to perform communications by using a closed IP, enabling the TEED to provide a network address translation (NAT) function so that the TEED can perform data forwarding like a general NAT, without performing tunneling on a destination IP outside the closed IP section, to perform communication, and allowing a terminal located in an area where the TEED is not provided to directly establish a tunnel with the control server by using a client software to thereby perform communications with a terminal or a server connected to the TEED by using the closed IP. | 11-03-2011 |
20130167229 | TRAFFIC MANAGING DEVICE AND METHOD THEREOF - Disclosed is a traffic managing device which includes an information collector collecting primary information associated with a flow; a controller judging a traffic state, collecting secondary information associated with the traffic based on the judged traffic state and the primary information, and judging whether the flow is abnormal, based on the secondary information; and a traffic correspondence unit dropping the flow based on the judged traffic state and whether the flow is abnormal. The primary information includes internet protocol addresses of source and destination of the flow and the secondary information includes a flow number of each internet protocol address of a source. | 06-27-2013 |
20130298220 | SYSTEM AND METHOD FOR MANAGING FILTERING INFORMATION OF ATTACK TRAFFIC - The present disclosure relates to a system and a method for managing filtering information of attack traffic, and more particularly, to a system and a method for managing filtering information of attack traffic that may block attack traffic in a front end from which the attack traffic is transmitted by transmitting traffic filtering information, to a first autonomous system of the front end from which the attack traffic is transmitted, through a border gateway protocol (BGP) and by applying, to a relevant router, the transmitted traffic filtering information in the corresponding first autonomous system, when an edge router of a second autonomous system (AS) positioned in a rear end sets the traffic filtering information by detecting the attack traffic. | 11-07-2013 |
20140189867 | DDoS ATTACK PROCESSING APPARATUS AND METHOD IN OPENFLOW SWITCH - An OpenFlow switch in an OpenFlow environment includes an attack determination module to collect statistical information on packet processing with respect to incoming packets to be processed in the OpenFlow switch at a predetermined period interval to determine whether a DDoS attack occurs. The Openflow switch also includes an attack responding module to perceive a feature of the DDoS attack by using the incoming packets introduced into the OpenFlow switch after the determination of the occurrence of the DDoS attack and process the incoming packets in line with the perceived feature of the DDoS attack. Therefore, it is possible to determine and responds to DDos attacks in the OpenFlow switches. | 07-03-2014 |
20140307558 | METHOD AND APPARATUS FOR CONTROLLING CONGESTION OF NETWORK EQUIPMENT - A method of controlling congestion of network equipment that connects networks with each other, includes determining a type of congestion based on a location of the network equipment; and identifying a network connection section having a strong possibility of occurrence of congestion based on the type of congestion, and setting a critical congestion bandwidth that is used to determine the occurrence of congestion. Further, the method includes identifying users required for equal distribution of traffic upon occurrence of congestion based on the critical congestion bandwidth; and equally distributing traffic to the identified users based on the critical congestion bandwidth, and then dropping an excess of arriving traffic over the equally distributed traffic, thereby performing avoidance of the congestion. | 10-16-2014 |
20140313887 | COMMUNICATION NODE HAVING TRAFFIC OPTIMIZATION CAPABILITY AND METHOD FOR OPTIMIZING TRAFFIC IN COMMUNICATION NODE - The present invention provides an apparatus for optimizing traffic of packets produced in a user terminal and a remote node with a WAN link between the user terminal and the remote node. The apparatus includes a flow information table configured to have identification information about the respective packets that are managed in the apparatus, a packet processing module configured to analyze the packets to determine whether the respective packets are identified in the flow information table, and an optimization module configured to optimize the packets in compliance with the optimization option specified in the respective identified packets. | 10-23-2014 |
20140355440 | METHOD AND APPARATUS FOR BANDWIDTH ALLOCATION IN NETWORK TO ENHANCE BALANCE THEREOF - An apparatus for allocating a network bandwidth includes an information collection unit configured to collect flow information of a network; and a traffic check unit configured to check traffic of the collected flow information. Further, the apparatus includes a traffic respond unit configured to suppress the network bandwidth depending on a check result of the traffic; and a control unit configured to the information collection unit, the traffic check unit, and the traffic respond unit. | 12-04-2014 |
20150074247 | APPARATUS AND METHOD FOR SETTING UP COMPUTTING ENVIRONMENTS - A method for setting up a computing environment, which includes: storing data for setting up computing environments necessary for the update of a plurality of client terminals that are connected through a network; receiving information about computing environments that are configured on the client terminals from the client terminals; upon receiving a request for the update from the client terminals, classifying the client terminals that share the same system image; and transferring the latest version of the data for setting up the computing environments which are higher than the client terminals of the client terminals; and updating the classified client terminals with the latest version of the data. | 03-12-2015 |