Abstract: A data synchronization method includes: acquiring, in a partial-data synchronization process, a first part of a data item which is to be sent to a client, wherein the data item comprises at least the first part and a second part, and acquiring a data link corresponding to at least the second part of the data item; sending the acquired first part of the data item and the data link to the client in the partial-data synchronization process; and when receiving a request including the data link from the client, processing the at least second part of the data item corresponding to the data link. The present invention also discloses a data synchronization system, a data synchronization server and a client, with which a client may directly acquire a second part of a data item with the data link without initiating another data synchronization procedure.

Abstract: A method, system and device for tracing services are provided. The method includes includes: receiving a service tracing request message which carries information on the service to be traced and the callback information; tracing the service according to the information on the service to be traced and obtaining the feedback service tracing data; and sending the feedback service tracing data according to the callback information. Through the present invention, the service tracing data is fed back effectively in time after the service tracing requester sends a service tracing request.

Abstract: The disclosure provides a method of implementing Short Message Service (SMS) for a Next Generation Network (NGN) terminal, comprising: receiving, by an NGN Short Message Center (SMC), a short message transmission request forwarded by a soft switch, wherein the short message transmission request is from an NGN terminal; and transmitting, by the NGN SMC, a short message according to the received short message transmission request. The disclosure also provides a system of implementing SMS for an NGN terminal, and an NGN SMC.

Abstract: The invention discloses an optical transmission module with digital adjustment and method thereof. The module includes a laser (21), a laser driver (22), an automatic power adjustment circuit (23), an automatic temperature adjustment circuit (24), a digital adjustment circuit (25) and a memory (26). The digital adjustment circuit, consisted of a digital-to-analog converter or a digital adjustment potentiometer, receives a digital adjustment signal and outputs, respectively, a extinction ratio adjustment signal and a cross point adjustment signal to the laser driver, an optical power adjustment signal to the automatic power adjustment circuit and an optical wavelength adjustment signal to the automatic temperature adjustment circuit. The memory stores data, using for on-line adjustment of the optical transmission module, at least including parameters of said optical transmission module and said laser emitting optical power parameters, to be reported upward.

Abstract: A system accessing and transmitting different data frames in a digital transmission network, for accessing and transmitting different data frames, said system comprises: at least a user-network interface (UNI), which is used to couple with the subscriber's network; and/or at least a network-network interface (NNI), which is used to couple with said digital transmission network to transfer data; and a data converting device, coupled with said UNIs and said NNIs, which is used to convert data formats between said UNIs or data formats between said NNIs or data formats between said UNIs and said NNIs; said data converting device comprises a virtual bridge device and an interface device, said virtual bridge device switches data between said UNIs and said NNIs, and said virtual bridge device detects control messages, and transmits the control messages to control system of the device to process via the control interface unit; and data frames of message except control messages are switched, so as to overcome the limi

Abstract: A method for Layer 2 packet transmission is disclosed, where a corresponding relationship between packet attribute information and public MAC addresses is configured in an access device such that the access device could find a corresponding public MAC address in the corresponding relationship when receiving a packet from a user terminal, replaces the source MAC address with the public MAC address found, and then sends the packet to a convergence layer device. A method for transmission of a Layer 2 packet without character information is also disclosed. The access device needs to obtain the packet attribute information and carry the information in the packet to be sent to the convergence layer device. An access device is also disclosed. As a result, the capacity of the VLAN and the MAC address table items needed for the convergence layer device to convert MAC addresses is greatly decreased.

Abstract: A system for accessing and transmitting data frames of different types in a digital transmission network, including: at least one user-network interface; at least one network-network interface; at least one mapping/demapping device; a virtual interface device coupled with the at least one user-network interface and with the at least one network-network interface via the at least one mapping/demapping device; and a control device coupled with the virtual interface device; the control device including: a data processing and dispatching device including: at least one inter-device interface; a data processing and dispatching unit coupled with the inter-device interface; a processing flow database, storing a plurality of processing flows, coupled with the data processing and dispatching unit; and a control interface unit coupled with the processing flow database and the data processing and dispatching unit so as to control a virtual private processing unit and a rule database to process the data frames.

Abstract: A binary coding and decoding method and apparatus for MVD (Motion Vector Difference) absolute values, includes: dividing symbols for MVD absolute values to be coded into a plurality of subsets according to probability distribution properties; assigning a binary codeword for each subset; assigning a binary codeword for each symbol in each subset; concatenating and outputting the binary codeword for each subset and the binary codeword for each symbol in the subset, as the binary coding result. At the decoding side, decoding operations are performed by using a principle corresponding to that at the coding side. In this manner, the invention makes full use of the source properties on one hand, and effectively prevents the codeword length from being too long on the other hand. It has been experimentally testified that a better compression effect may be achieved during arithmetic coding process and thus the image coding performance may be improved effectively.

Abstract: The present invention discloses a communication apparatus. The communication apparatus includes one or more board and a backplane. The board includes a connector and a function processing unit circuit connected to the connector. The backplane includes at least one group of board connectors. Each group of the board connectors includes two board connectors that receive signals from different boards. The board connector includes connection terminals connected to the connector on boards. The two board connectors are distributed up and down, and the connection terminals of the two board connectors are distributed symmetrically around a center. The foregoing communication apparatus and backplane are cost-efficient.

Abstract: A method for generating and distributing keys based on the Diameter server in the mobile communication field is disclosed herein. The MN sends the NAR identifier to the PAR; after receiving the identifier, the PAR sends the NAR identifier and the MN identifier to the Diameter server; after receiving the identifiers, the Diameter server generates a random number first, then generates a shared key according to the random key, and then sends the shared key to the NAR and sends the random number to the MN; after receiving the random number, the MN generates a shared key. An apparatus and system for generating and distributing keys based on the Diameter server are also disclosed herein. The technical solution under the present invention avoids the domino effect and enhances security of the shared key.

Abstract: The present invention discloses a hot pluggable fan system and connection apparatus. The system includes at least one fan assembly, and a hot pluggable fan connection apparatus. The hot pluggable fan connection apparatus includes a bottom plate; a crossbar existed on the bottom plate, for dividing the bottom plate into a forepart and a rear part; two side panels located on both sides of the bottom plate and vertical to the crossbar; a beam connected to the two side panels and above the crossbar; and one or more fan baffles combined with the side panels for forming at least one slot for accommodating the fan assembly, the baffles located at the forepart of the bottom plate and parallel to the side panels.

Abstract: A loop withdrawal method in multi-protocol label switching is disclosed. When detecting a rewinding event of colored thread, a node judges whether an upstream interface of the colored thread is in a stalled status, and if yes, prohibits distribution of a colored thread rewinding message via the upstream interface of the colored thread; otherwise, the node continues to distribute the colored thread rewinding message and transmit label mapping via the upstream interface. When detecting a withdrawal event of the colored thread, the node removes colored thread information of the upstream interface of the colored thread, judges whether the node has received another colored thread for a same service, and if yes, extends a new colored thread via a downstream interface of the colored thread; otherwise, the node continues to distribute a colored thread withdrawal message via the downstream interface of the colored thread.

Abstract: An Advanced Telecom Computing Architecture system and a method for power management and control of the system are disclosed. The system includes a Front Board (FRB) and a Rear Transition Module (RTM)/Front Transition Module (FTM). The FRB includes a first power conversion/control module that supplies power to the FRB and RTM/FTM. The system further includes a control circuit that outputs control signal; and a second power conversion/control module that supplies power to the RTM/FTM according to the control signal.

Abstract: A system and method for enabling IP multimedia sub-system (IMS) terminals to access existing IPTV services, and methods for enabling the IMS terminals to access the VoD and LTV services of the existing IPTV system are disclosed. The system adds a service gateway for communications between the IMS network and the existing IPTV system, including control function of the signaling plane, as well as bearer plane function.

Abstract: A mail transmission system and method is disclosed, where a push mail server stores a mobile terminal identification and email-box information in an email server bound to the identification. The push mail server further retrieves an email from the email-box in the email server and converts the email into a mobile network message, and transmits the mobile network message and the mobile terminal identification bound to the email-box to a mobile network server. The mobile network server transmits the received mobile network message to a corresponding mobile terminal according to the received mobile terminal identification. A push mail server, a mobile mail receiving/sending system and a method for sending and receiving a mail by a mobile terminal are disclosed. The technical solutions of various embodiments of the invention enable a mobile terminal to receive and send emails based on an open communication protocol.

Abstract: The present invention provides a method, terminal and network device for changing the status of a packet switched domain. The method includes (1) receiving an instruction, for changing the status of a packet switched domain, sent from a first terminal, wherein the changing of the status of the packet switched domain includes activating the packet switched domain or modifying a parameter of the packet switched domain where a second terminal is currently located and (2) changing the status of the packet switched domain according to the instruction. In various embodiments of the present invention, the terminal can activate the PS domain passively to deploy PS domain based services.

Abstract: Method for realizing the network topology discovery, which relates to the field of internet technique, includes: receiving the network topology inquiring command from the previous node, the network topology inquiring command includes the address information of the specified node; feeding back the network topology information of this node to the specified node, the network topology information of this node includes the connection information between this node and the previous node. The invention also discloses a node device. With the technique scheme provided by this invention, it can obtain the connection information between the nodes in the network topology information, namely the connection state of point-to-point.

Abstract: The invention discloses a communication method for modules within device. The method sets a centralized exchanging and controlling unit in the device, and every module is connected with the centralized exchanging and controlling unit through its own communication control interface. When a message is sending from one module to another module, first the source module sends the message to the centralized exchanging and controlling unit, after processing in the centralized exchanging and controlling unit the message is forwarded to the destination module defined in the message. Since every module is directly connected with the centralized exchanging and controlling unit in a high-speed link, so any two modules communication with the following advantages: high reliability, to locate a fault point is easier, number of the modules that take part in the communication is unlimited, the system design is simple, easier and flexible.

Abstract: The embodiment of the present invention discloses a method for establishing a multicast LSP and a system for transmitting multicast data. The method includes: a MSA node learns and stores multicast stream information; the egress edge node in the MPLS domain obtains the multicast stream information sent by the MSA node by sending a query request message to the MSA node; the egress edge node joins the multicast group, according to the obtained multicast stream information, and establishes a multicast LSP between the ingress edge node and the egress edge node. The technical solution of the present invention supports dynamic implementation of multicast services, and reduces the cost of maintaining a network topology.

Abstract: The disclosure relates to a method and apparatus for determining an internal user for a call center system. The information servicing function provided in the existing communication networks may be utilized in the invention. After a call initiated from an internal user for a call center system to an external user fails, the call center system sends the call information to the external user in a timely manner so that the external user can obtain identification information of the internal user for the call center system in a timely and accurate manner. With the invention, the possibility of reaching the internal user for the call center system is enhanced and thus the interests of the external user and the enterprise entity can be secured.