Abstract: A communication system and an access authentication method and system based on such a communication system are described. In the system, a context generation function entity is arranged to generate a user context and store the generated user context in a context database matched with the context generation function entity, and a service access control function entity is arranged to acquire the user context from the context database and authenticate a terminal initiating an access request by adopting the user context. According to systems and methods described, effects of a simple access authentication manner and shorter access delay are achieved.

Abstract: The present disclosure discloses a service chain routing method and system, and equipment in the system, wherein, the service chain routing method includes that: a relay node receives a first data message forwarded by a switching node, wherein the first data message is a message sent to a next-hop node which does not support service chain routing, and the relay node forms a binding relationship with the next-hop node; after determining that a type of the next-hop node is a service node, the relay node deletes a service chain identifier in the first data message; and the relay node sends the first data message in which the service chain identifier is deleted to the switching node, as to the switching node to forward, according to the binding relationship, the first data message in which the service chain identifier is deleted to the next-hop node.

Abstract: A load balancing method and system are provided in the embodiments of the present document. The method includes: collecting load information of a load balancing object, and generating a load balancing group table according to the load information; generating a load balancing group routing table according to information of the load balancing group table; and forwarding a data packet according to the load balancing group routing table.

Abstract: The present disclosure discloses methods and devices for providing network service, evaluating a policy rule and selecting a service component. In the abovementioned architecture, a management layer is arranged to acquire a network service requirement of a user, and perform creation, orchestration and scheduling on function components on an execution layer based on the network service requirement; and the execution layer is arranged to provide the network service for the user, and/or, report information to be used by the management layer in a process of performing creation, orchestration and scheduling on the function components to the management layer, herein, the execution layer is formed by networking multiple function components, and the function components include at least one of the following: a network component and a business component.

Abstract: A communication system and an access authentication method and system based on such a communication system are described. In the system, a context generation function entity is arranged to generate a user context and store the generated user context in a context database matched with the context generation function entity, and a service access control function entity is arranged to acquire the user context from the context database and authenticate a terminal initiating an access request by adopting the user context. According to systems and methods described, effects of a simple access authentication manner and shorter access delay are achieved.

Abstract: The present document discloses a method and system for enabling a Circuit Switched Fallback (CSFB) service in an Evolved Packet System (EPS). The method may include, after accessing an EPS network, the User Equipment (UE) triggering the CSFB service when it executes the Circuit Switching (CS) network service, and the UE transmitting a CS network service request carrying a CSFB indication to a Mobility Management Entity (MME). The method may also include, after receiving the CS network service request carrying the CSFB indication transmitted by the UE, the MME indicating an Evolved Universal Mobile Telecommunication System Radio Access Network (E-UTRAN) to switch the UE to the CS network, and the E-UTRAN initiating the switching to switch the UE to the CS network through an MME and the Mobile Switching Center (MSC) with which the UE jointly registers when accessing the EPS network.

Abstract: The present disclosure discloses a service chain routing method and system, and equipment in the system, wherein, the service chain routing method includes that: a relay node receives a first data message forwarded by a switching node, wherein the first data message is a message sent to a next-hop node which does not support service chain routing, and the relay node forms a binding relationship with the next-hop node; after determining that a type of the next-hop node is a service node, the relay node deletes a service chain identifier in the first data message; and the relay node sends the first data message in which the service chain identifier is deleted to the switching node, as to the switching node to forward, according to the binding relationship, the first data message in which the service chain identifier is deleted to the next-hop node.

Abstract: A load balancing method and system are provided in the embodiments of the present document. The method includes: collecting load information of a load balancing object, and generating a load balancing group table according to the load information; generating a load balancing group routing table according to information of the load balancing group table; and forwarding a data packet according to the load balancing group routing table.

Abstract: A service chain management method, system and device are disclosed. The system comprises a service arrangement device for generating a service chain mapping table and sending the service chain mapping table to a policy control device, wherein the service chain mapping table comprises service chain identifications and corresponding service chain condition features; the policy control device for searching for a corresponding service chain identification in the service chain mapping table according to the service chain condition features of user equipment and generating a policy rule table and/or a service detection rule table of the user equipment, wherein the policy rule table and/or the service detection rule table comprises service chain identification operation information; and a policy execution device for receiving a message and executing a policy rule and/or a service detection rule for the received message according to the policy rule table and/or the service detection rule table.

Abstract: A method and system for implementing reverse Single Radio Voice Call Continuity (rSRVCC) are provided in the present invention. The method includes: after receiving a handover request from a Circuit Switch (CS) domain, a current Mobile Switch Center (MSC) sending a transfer request regarding a terminal subscriber or a session in which the terminal subscriber participates to an IP Multimedia Core Network Subsystem (IMS) Control Function Entity (ICFE); and after receiving the transfer request, the ICFE initiating a media connection establishment flow between the terminal and a far end. The technical solution of the present invention ensures rSRVCC when a terminal hands over from a CS domain to a PS domain.

Abstract: The present invention discloses a method and an apparatus for implementing an access to a Machine to Machine (M2M) core network. In the method, a network element receives an access request message carrying equipment identity indication information, wherein the access request message is initiated by terminal equipment; the network element determines that the terminal equipment is M2M equipment according to the equipment identity indication information; and the network element selects a corresponding M2M core network for the terminal equipment to implement the access of the terminal equipment. According to the technical solution provided by the present invention, the existing network can meet the M2M service requirement while providing services for existing Human to Human (H2H) equipment, without any need of enhancement and mass expansion.

Abstract: A method for implementing local call local switch (LCLS) is provided in the present invention, and the method includes that: a mobile switching center (MSC) at a calling side receives a call establishment request of a calling user, and a MSC at a calling side transmits the local reference to a base station system (BSS) at the calling side and a MSC at the called side; the MSC at the called side transmits the received local reference to the BSS at the called side; and a BSS judges whether the local switch can be triggered according to the received local reference, and executes the local switch when determining that the local switch can be triggered. The present invention also provides a system for implementing LCLS. With the method and system provided by the present invention, the problem of unsuccessful local switch resulted by the BSS connecting multiple MSCs is solved.

Abstract: A network load control method and a registration server are disclosed. The method includes, upon acquiring that a target area is overloaded, the registration server adding a node into the target area, or, upon acquiring that the load in the target area is lower than a load threshold, the registration server selecting a node in the target area and making the selected node exit from the target area.

Abstract: The present invention discloses a method for implementing local exchange for a local call, including: a calling side mobile switch center (MSC) receiving a call setup request from a calling user, and the calling side MSC transferring a local reference to a calling side base station system (BSS) and a called side MSC, and transferring a calling access location information to the called side MSC; the called side MSC receiving the local reference and transferring the local reference to a called side BSS; and the called side MSC determining that a call is a local call according to the calling access information, and notifying the called side BSS to execute the local exchange. The present invention solves the problem that the local exchange is unsuccessful caused by one BBS connecting a plurality of MSCs.

Abstract: The present invention provides a method for resource information backup operation based on peer to peer network, comprising: an initiating node sending an out-of-domain backup node determining request to a connecting node in backup domain, and said out-of-domain backup node determining request including the resource global identifier of said resource information to be backed up, and the connecting node in said backup domain and said host node in which the resource information is saved have different domain identifiers; the connecting node in said backup domain determining an out-of-domain backup node according to information of said resource global identifier and out-of-domain backup rules, and sending routing information of said out-of-domain backup node to said initiating node; and said initiating node sending an out-of-domain backup operation request to said out-of-domain backup node according to said routing information, and said out-of-domain backup node implementing corresponding processing according to

Abstract: The present document discloses a method and system for enabling a Circuit Switched Fallback (CSFB) service in an Evolved Packet System (EPS). The method may include, after accessing an EPS network, the User Equipment (UE) triggering the CSFB service when it executes the Circuit Switching (CS) network service, and the UE transmitting a CS network service request carrying a CSFB indication to a Mobility Management Entity (MME). The method may also include, after receiving the CS network service request carrying the CSFB indication transmitted by the UE, the MME indicating an Evolved Universal Mobile Telecommunication System Radio Access Network (E-UTRAN) to switch the UE to the CS network, and the E-UTRAN initiating the switching to switch the UE to the CS network through an MME and the Mobile Switching Center (MSC) with which the UE jointly registers when accessing the EPS network.

Abstract: A method for realizing a single radio voice call continuity and a single radio voice call continuity system are disclosed. After a UE-1 establishes an IMS session with a remote leg through a PS network, wherein in the IMS session, signaling is anchored to an ICP and media is anchored to an AGW controlled by the ICP, the method is realized as follows: sending a handover request by a control net element of the PS network to an eMSC to request a handover of the IMS session to a CS network access mode; after receiving the handover request, preparing a media link resource by the eMSC for the UE-1 to communicate with the eMSC and sending a call request to the ICP; and controlling the AGW to correlate a media link established by the call request with a remote leg media link of the IMS session by the ICP. The method can effectively solve the problem existing in the prior art that the duration of interruption is too long, and improve user experience.

Abstract: A method and system for implementing reverse Single Radio Voice Call Continuity (rSRVCC) are provided in the present invention. The method includes: after receiving a handover request from a Circuit Switch (CS) domain, a current Mobile Switch Center (MSC) sending a transfer request regarding a terminal subscriber or a session in which the terminal subscriber participates to an IP Multimedia Core Network Subsystem (IMS) Control Function Entity (ICFE); and after receiving the transfer request, the ICFE initiating a media connection establishment flow between the terminal and a far end. The technical solution of the present invention ensures rSRVCC when a terminal hands over from a CS domain to a PS domain.

Abstract: The present invention provides a method for implementing local call local switch, including: a calling side MSC receiving a call setup request from a calling user, the calling side MSC and a called side MSC mutually transferring the access information of the calling user and the called user; the calling side MSC or the called side MSC judging whether a local switch can be triggered according to the access information of the opposite end user; when judging that a local switch can be triggered, the calling side MSC or the called side MSC informing BSS to implement the local switch. The present invention further provides a system for implementing local call local switch, which includes a MSC and a BSS, to provide the support to implementing local call local switch.

Abstract: The present invention discloses a method and an apparatus for implementing an access to a Machine to Machine (M2M) core network. In the method, a network element receives an access request message carrying equipment identity indication information, wherein the access request message is initiated by terminal equipment; the network element determines that the terminal equipment is M2M equipment according to the equipment identity indication information; and the network element selects a corresponding M2M core network for the terminal equipment to implement the access of the terminal equipment. According to the technical solution provided by the present invention, the existing network can meet the M2M service requirement while providing services for existing Human to Human (H2H) equipment, without any need of enhancement and mass expansion.