Abstract: Embodiments of the present invention relate to a method and apparatus for extending processing capacity of a server side. In one embodiment, there is provided a method of extending processing capacity of the server side, comprising: deciding a job to be offloaded from the server side; partitioning the job into one or more tasks; allocating the one or more tasks to one or more clients in response to http requests transmitted from the one or more clients; receiving, from the http requests transmitted from the one or more clients, responses of the one or more clients to the from the server side one or more tasks.

Abstract: 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.

Abstract: A method and device of identifying payload of a data packet in a TCP stream. The method includes the steps of: calculating a payload signature according to information in header of the data packet in the TCP stream; comparing the payload signature with a pre-stored file signature; determining the payload of the data packet in the TCP stream as belonging to a file corresponding to the pre-stored file signature, in response to a match between payload signatures of multiple data packets and the pre-stored file signature. The present invention can monitor and identify TCP streams by using a more efficient and lower cost solution.

Abstract: A method and apparatus for resuming a session between a client device and an IVR system in customer service. The method includes the following steps: reestablishing the session in customer service; determining whether there is status information of an abnormally terminated session corresponding to the reestablished session in customer service; retrieving the status information of the abnormally terminated session in customer service; and resuming the session between the client device and the IVR system in customer service according to the retrieved status information.

Abstract: 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.

Abstract: A system and method for accurately positioning a computer position, and identifying the specific rack position where the computer is without manual intervention. A camera is installed on the computer to read the contents of a tag on the rack, so as to identify the position information of the computer. Specifically, the computer is provided with a self-positioning function, wherein: a camera is installed on the computer, and the camera is configured to read the contents of a tag attached on a side of a rack to house the computer to identify the rack position where the computer is.

Abstract: A technical solution for accurately positioning a computer position, that is to say, the solution can identify the specific rack position where the computer is. And the solution has low cost and does not need manual intervention. The core idea of the solution lies in using a camera installed on the computer to read the contents of a tag on the rack, so as to identify the position information of the computer. Specifically, the solution provides a computer with a self-positioning function, wherein: a camera is installed on the computer, and the camera is configured to read the contents of a tag attached on a side of a rack to house the computer to identify the rack position where the computer is.

Abstract: 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.

Abstract: Simplifying transmission in a distributed parallel computing system. The method includes: identifying at least one item in a data input to the parallel computing unit; creating a correspondence relation between the at least one item and indices thereof according to a simplification coding algorithm, where the average size of the indices is less than the average size of the at least one item; replacing the at least one item with the corresponding indices according to the correspondence relation; generating simplified intermediate results by the parallel computing unit based on the indices; and transmitting the simplified intermediate results. The invention also provides a system corresponding to the above method.

Abstract: A proxy server and a hierarchical network system and a distributed workload management method. According to one embodiment of this disclosure, the proxy server includes: a rate controller configured to, based on measured request-related information and service quality parameters relative to service levels of requests, periodically determine a dispatch rate for requests of each service level, wherein the sum of the dispatch rate for respective service levels is less than or equal to a predetermined rate; and a request dispatcher configured to dispatch the requests of the corresponding service level in accordance with the dispatch rate determined by the rate controller. One aspect of the disclosure realizes a low overhead, highly scalable, simple and efficient workload management system to achieve QoS assurance and overload protection.

Abstract: An efficient, flexible P2P file transmission management technology for limiting and directing of P2P file transmission mainly by replacing an original tracker server with a setting controllable tracker server, and modifying node list based on predetermined rule in the controllable tracker server. With the present invention, a network operator can strengthen function of the controllable tracker server in P2P communication gradually by weakening function of the original tracker server in P2P communication gradually, and utilize various rules or policies established in advance to manage file transfer of P2P nodes.

Abstract: The present invention discloses a method and apparatus for dynamically subscribing to management information and a method and system for dispensing management information. According to the present invention, a management topic and a participant associated with the management topic may be dynamically determined, and the management topic may be subscribed to for the determined participant. Therefore, it is possible to sufficiently utilize a publish/subscribe mechanism in dispensing management information in a case where the intelligence of the managed device is unequal to the intelligence of the managing device, thereby avoiding creation and utilization of an additional management channel and significantly reducing the complexity and management cost of the system.

Abstract: A proxy server and a hierarchical network system and a distributed workload management method. According to one embodiment of this disclosure, the proxy server includes: a rate controller configured to, based on measured request-related information and service quality parameters relative to service levels of requests, periodically determine a dispatch rate for requests of each service level, wherein the sum of the dispatch rate for respective service levels is less than or equal to a predetermined rate; and a request dispatcher configured to dispatch the requests of the corresponding service level in accordance with the dispatch rate determined by the rate controller. One aspect of the disclosure realizes a low overhead, highly scalable, simple and efficient workload management system to achieve QoS assurance and overload protection.

Abstract: A Pub-Sub messaging method and system is disclosed. The method comprises: receiving a plurality of Pub-Sub messages; judging whether the plurality of Pub-Sub messages are similar; aggregating similar Pub-Sub messages to generate an aggregated Pub-Sub message; and transmitting the aggregated Pub-Sub message. Correspondingly, a message de-aggregating method comprises: receiving an aggregated Pub-Sub message, wherein the aggregated Pub-Sub message is generated by aggregating a plurality of similar Pub-Sub messages; de-aggregating the aggregated Pub-Sub message to recover the plurality of Pub-Sub messages; and transmitting the plurality of Pub-Sub messages.

Abstract: A storage system and a method for realizing a storage system is disclosed, the storage system comprising: a disk array comprising at least one solid state disk and at least one non-solid state disk; and a storage control means configured to: in response to entering a scrubbing mode, scan and move data blocks in the at least one non-solid state disk in the disk array to form more continuous free blocks. The storage system of the present invention has good read and write performances, higher data reliability and availability, and lower cost.

Abstract: Garbage collection in a first node server of an in-memory replication system includes: in response to a garbage collection trigger in the first node server, determining whether identification information for a data object eligible for garbage collection in the first node server has been received by the first node server from at least a second node server in the in-memory replication system; and if the identification information has been received from at least the second node server, performing garbage collection on the data object with the first node server.

Abstract: Simplifying transmission in a distributed parallel computing system. The method includes: identifying at least one item in a data input to the parallel computing unit; creating a correspondence relation between the at least one item and indices thereof according to a simplification coding algorithm, where the average size of the indices is less than the average size of the at least one item; replacing the at least one item with the corresponding indices according to the correspondence relation; generating simplified intermediate results by the parallel computing unit based on the indices; and transmitting the simplified intermediate results. The invention also provides a system corresponding to the above method.

Abstract: The present invention provides a method and a device for processing a structured document by steps of obtaining an access mode for a consuming party of the structured document to an element in the structured document, the element comprising tag and content; determining a compression rule based on the access mode, the compression rule specifying at least one element to be compressed and at least one element not to be compressed in the structured document; and replacing the at least one element to be compressed with a compressed element to form a compressed structured document, wherein the tag of the compressed element is a specific compression tag, and the content of the compressed element is a result of compressing the at least one element to be compressed.

Abstract: 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.

Abstract: A method and device of identifying payload of a data packet in a TCP stream. The method includes the steps of: calculating a payload signature according to information in header of the data packet in the TCP stream; comparing the payload signature with a pre-stored file signature; determining the payload of the data packet in the TCP stream as belonging to a file corresponding to the pre-stored file signature, in response to a match between payload signatures of multiple data packets and the pre-stored file signature. The present invention can monitor and identify TCP streams by using a more efficient and lower cost solution.