Patent application number | Description | Published |
20080232392 | METHOD AND SYSTEM FOR PROCESSING SESSION INITIATION PROTOCOL MESSAGES - A method and system for processing session initiation protocol messages including receiving a session initiation protocol message by a front end, parsing the session initiation protocol message by the front end, grouping the token types and the token contents in the session initiation protocol message respectively, and setting up corresponding links between the token types and the token contents, wherein the session initiation protocol message, after parsing, is transformed to the session initiation protocol offload engine message with a session initiation protocol offload engine message header part, for storing message level information, a token type part, for storing token type information, wherein it comprises a plurality of fixed-length entries, and a token content part for storing token contents, wherein it comprises a plurality of variable-length entries, and processing the transformed session initiation protocol offload engine message at the server end. | 09-25-2008 |
20080253387 | Method and apparatus for improving SIP server performance - A method and apparatus for improving SIP server performance is disclosed. The apparatus comprises an enqueuer for determining whether a request packet entering into the server is a new request or a retransmitted request and its retransmission times and for enqueuing the request packet into different queues based on results of the determining step and a dequeuer for dequeuing the packet in the queues for processing based on a scheduling policy. The apparatus may further include a policy controller for communicating with the server, enqueuer, dequeuer, queues and user, to dynamically and automatically set, or set based on the user's instructions, the scheduling policy, number of different queues, each queue's capacity, scheduling, etc. based on the network and/or server load and/or based on different server applications. | 10-16-2008 |
20080288779 | Generating and verifying trusted digital time stamp - Methods, apparatus and systems for generating a trusted digital time stamp as well as a public time source. It includes, an apparatus for receiving and recording public time information and a method for verifying a digital time stamp. A method for generating a trusted digital time stamp includes: obtaining a first time information and a corresponding random code from a public time source; and generating a digital time stamp using a first time information and random code. A method for verifying a digital time stamp includes: recording time information and corresponding random codes transmitted by a public time source; retrieving time information and a random code contained in the time stamp; and comparing a retrieved random code from the time stamp with one of the recorded random codes that corresponds to a time information in the time stamp, if they are consistent, the time stamp is determined to be trusted, otherwise the time stamp is determined to be not trusted. | 11-20-2008 |
20090006944 | PARSING A MARKUP LANGUAGE DOCUMENT - A method and system for parsing a markup language document are disclosed in the invention. The method comprises: pre-splitting a body of the markup language document into plurality parts; scanning each of the plurality parts, wherein while each of the parts is scanned, the scanning of the part is stopped only when a specific mark is found, and then a stop point at which the scanning is stopped is recorded; splitting the body of the markup language document into a plurality of fragments using the respective stop points; parsing the plurality of fragments in parallel and producing parsing results for the respective fragments; and combining the parsing results for the respective fragments to form a parsing result for the markup language document. A parsing method that supports namespace is also provided. | 01-01-2009 |
20090077561 | Pipeline Processing Method and Apparatus in a Multi-processor Environment - A pipelining processing method and apparatus in multi-processor environment partitions a task into overlapping sub-tasks that are to be allocated to multiple processors, overlapping portions among the respective sub-tasks being shared by the processors that process corresponding sub-tasks. A status of each of the processors is determined during a process where each of the processors executes sub-tasks and the overlapping portions among the respective sub-tasks to be executed by which processor among the processors is dynamically determined on the basis of the status of each of the processors. | 03-19-2009 |
20090190763 | Processing Multi-Key Content - Multi-key content processing systems and methods, for processing content with at least one distribution target position. Each of the distribution target positions corresponds to an authorization key. An example method includes the steps of: encrypting said content with a content key; forming a key link based on said content key and the authorization key of said at least one distribution target position; and attaching said key link to the encrypted content. | 07-30-2009 |
20100017519 | METHOD AND APPARATUS FOR DYNAMICALLY DETERMINING CONNECTION ESTABLISHMENT MECHANISM BASED ON THE RELATIVE LOCATIONS - An apparatus and a method for dynamically determining a connection establishment mechanism between virtual machines (VMs) based on locations of the VMs. The apparatus includes a communication agent unit for receiving messages relating to the locations of the VMs, a control unit for determining the connection establishment mechanism between the VMs based on the received messages and a controlling mechanism to establish a connection between the VMs according to the determined connection establishment mechanism. The method includes receiving messages relating to the locations of the VMs, determining the connection establishment mechanism between the VMs based on the received messages, and establishing a connection between the VMs according to the determined connection establishment mechanism. | 01-21-2010 |
20100070633 | Method and Apparatus for Improving SIP Parse Performance - The present invention discloses a method and an apparatus for improving SIP parse performance. The method comprising the steps of: receiving a text-based SIP message to be sent to a SIP server; according to a SIP message filter table, determining whether the text-based SIP message needs to be transformed to a token-based message; and in the case that the text-based SIP message needs to be transformed to a token-based message, performing the transformation and sending the transformed token-based message to said SIP server, otherwise directly sending the text-based SIP message to said SIP server. According to the present invention, larger SIP message throughput in a SIP server and better utilization of resources of a front end device can be achieved. | 03-18-2010 |
20100077084 | PROCESSING SIP MESSAGES BASED ON MULTIPLE CORES - A method and an apparatus of processing Session Initiation Protocol (SIP) messages based on multiple cores. The method comprises: pre-parsing a received SIP message to obtain an identifier of the SIP message; dispatching SIP messages with the same identifier to the same core; and processing, on each core, SIP messages dispatched to the core by using related dedicated resources. The present invention relieves the resource contention and thus improves the utilization efficiency of computing resources of cores. | 03-25-2010 |
20100104129 | EMBEDDING AND DETECTING WATERMARKS - A watermark embedding method for embedding a secret message sequence in a document. The techniques include obtaining layout information of the document, extracting a digest of the document by using a Hash function, calculating embedded positions where the secret message sequence is embedded in the document, and dispersedly hiding the secret message sequence in each of the calculated embedded positions by altering the layout of the document. Also provided is a watermark embedding apparatus, a corresponding watermark detecting method and apparatus, and a method and system for detecting document integrity. The integrity of documents in various forms can be detected, and secret information to be hidden can be embedded therein and extracted therefrom. The techniques described are not limited to the document either in soft copy or in hard copy and have good robustness. | 04-29-2010 |
20100115031 | System and Method For Enabling P2P Applications in a Wireless Mobile Network - A system, method, and computer readable article of manufacture for enabling peer-to-peer (P2P) applications in a wireless mobile network. The system includes: a uniform resource identifier (URI) request analyzer module to intercept and analyze a request from a mobile terminal to capture content; and at least one P2P content service agent module to obtain the content locally or over a computer network acting as a P2P peer according to the content request captured by the URI request analyzer module, and to transfer the content to the mobile terminal. | 05-06-2010 |
20130007276 | METHOD AND APPARATUS FOR IMPROVING SIP PARSE PERFORMANCE - A method and an apparatus are disclosed for improving SIP parse performance. The method comprises the steps of: receiving a text-based SIP message to be sent to a SIP server; according to a SIP message filter table, determining whether the text-based SIP message needs to be transformed to a token-based message; and in the case that the text-based SIP message needs to be transformed to a token-based message, performing the transformation and sending the transformed token-based message to said SIP server, otherwise directly sending the text-based SIP message to said SIP server. According to the present principles, larger SIP message throughput in a SIP server and better utilization of resources of a front end device can be achieved. | 01-03-2013 |
20130007894 | METHOD AND APPARATUS FOR DIGITAL RIGHTS MANAGEMENT - A method and apparatus for digital rights management (DRM) with steps and means for receiving a registration request from one of a plurality of DRM agent devices requesting to register one of a plurality of user accounts and the one DRM agent device to one of a plurality of rights issuers, completing a registration process in the one rights issuer, including establishment of a relationship among the one user account, the one DRM agent device and the one rights issuer; and returning a registration completion response to the one DRM agent device. The invention provides support to the many-to-many relationships among DRM entities, such as DRM agent device, user account and rights issuer, so that the DRM system can be applied to more business modes. | 01-03-2013 |