Abstract: Techniques for facilitating operation of a communication device having a first internet protocol (IP) address in a first network and a second IP address in a second network include detecting a presence of a network address translation (NAT) table; implementing, when the NAT table is present, a message exchange protocol to obtain a mapping between the first IP address and the second IP address; and reporting, in a communication message, the mapping between the first IP address and the second IP address. In one operational scenario, the first network is a 3 GPP network and the second network is a broadband fixed network such as a DSL or a cable modem network.

Abstract: A policy and charging control method for supporting IP flow mobility in a roaming scenario includes: when a Visited Policy and Charging Rules Function (V-PCRF) receives IP flow mobility routing rule information reported by a Policy and Charging Enforcement Function (PCEF), and if a Home Policy and Charging Rules Function (H-PCRF) subscribes to an IP-CAN type change (IP-CAN_CHANGE) event trigger or to an access node gateway change (AN_GW_CHANGE) event trigger, the V-PCRF reporting the IP flow mobility routing rule information to the H-PCRF. With the present method, a visited network can execute the IP flow mobility locally, or compared with a method in which an interaction with the H-PCRF is required at any time, signaling overhead between the V-PCRF and the H-PCRF can be saved.

Abstract: Disclosed are an information transmission method, a packet data gateway, and a policy and charging rules function. The method includes: after receiving a Mobile IPv6 support for Dual Stack Hosts and Routers (DSMIPv6) binding update signaling, a packet data network gateway (P-GW) notifying a source User Datagram Protocol (UDP) port number of the DSMIPv6 binding update signaling to a Policy and Charging Rules Function (PCRF); and the PCRF notifying the source UDP port number of the DSMIPv6 binding update signaling to a fixed broadband access network. The above-mentioned method provides the UDP port number for the fixed broadband access network according to whether the IPSec capsulation is performed on the user plane data, which makes the fixed broadband access network be able to identify the user plane data of the user equipment correctly and perform a corresponding policy control.

Abstract: The disclosure discloses a method, device and system for sending configuration information. The method includes: a central controller respectively configures a parameter set for each of multiple forwarding devices, wherein the parameter set is used for establishing Security Associations (SA) between each pair of forwarding devices in the multiple forwarding devices; the central controller negotiates with the each of the multiple forwarding devices and creates one or more security channels between the central controller and the each of the multiple forwarding devices; and the central controller sends the parameter set to the each of the multiple forwarding devices through the one or more security channels. According to the technical solutions provided by the disclosure, complexity in establishment of SAs among the multiple forwarding devices is lowered, and data transmission security is improved.

Abstract: The present invention discloses a method for a bearer binding and event report function relocation so as to implement deferred linking of the policy and charging control session in the roaming scenario. The present invention implements the deferred linking of the policy and charging control session in roaming scenarios of home roaming and local breakout by establishing a new subsession of the S9 session between a visited PCRF and a home PCRF in a process of the BBERF relocation, and linking the new subsession of the S9 session to the Gxx session established between the destination BBERF and the visited PCRF and the corresponding Gx session.

Abstract: A policy control method and system are disclosed. The method includes: a 3rd Generation Partnership Project (3GPP) network entity sending outer Internet Protocol (IP) packet header information to a Broadband Forum (BBF) access network entity; and the BBF access network entity scheduling a data packet matching the outer IP packet header information according to a Differentiated Services Code Point (DSCP) of the data packet. With the above technical scheme, service data flows without going through admission control will not occupy resources of other service data flows going through the admission control.

Abstract: Provided are a terminal registration method, terminal discovery methods, a terminal and a service device. The service device includes: a registration component (22), configured to accept registration of a terminal, assign a Proximity-based Services identifier (ProSe ID) to the terminal, and associate application information of the terminal with the ProSe ID, wherein the application information includes information for identifying an application; a discovery component (24), configured to instruct a base station to assign discovery resources to the terminal, and send a discovery result, wherein the discovery resources are used for discovery between terminals. By setting a ProSe service component, the technical solution provides the support for ProSe services in the aspect of network architecture.

Abstract: A mobile network-based tenant network service implementation method and system and network elements are disclosed. The method includes: an MME of a mobile network performing identity authentication of a tenant network to which UE belongs on the UE; after the UE passes the identity authentication of tenant network, the MME selecting a local exchange node for the UE; the MME transmitting a creation/update message of a local exchange forwarding table to the local exchange node; the local exchange node creating or updating the local exchange forwarding table and generating a forwarding table entry of UE, wherein the forwarding table entry comprises identification information of UE; after UE bearers establishment are completed, the local exchange node writing UE bearer information into the forwarding table entry of UE; and the local exchange node implementing message forwarding of the tenant network according to the local forwarding table, thereby implementing a tenant network service.

Abstract: An access method is disclosed. The method includes: a mobile intelligent access point accesses a network through at least two wireless technologies; a User Equipment (UE) establishes a connection with the mobile intelligent access point; and the UE acquires access authentication from the network through the mobile intelligent access point. An access system and a mobile intelligent access point are further disclosed. With the disclosure, network authentication can be implemented to facilitate an operator to control the number of access users and to guarantee the network of the operator. Furthermore, a broadband mobile network is taken as a backhaul network, so as to reduce the reliability on a fixed network and improve the utilization of the broadband mobile network.

Abstract: A method and system for realizing network switching, and a mobile node are provided. An LMA receives a PBU message from a second MAG, wherein the PBU message carries identifier information of the mobile node, the IP address of a first interface, and the IP address of the second MAG. The LMA checks in the stored BCE whether the identifier information of the mobile node and the IP address of the first interface exist. If the existence is checked, the LMA continually judges whether the Proxy Care-of-Address in the BCE is the same as the Proxy Care-of-Address in the PBU message. If they are different, the LMA determines that the connection of the mobile node is a switchable connection, and determines that the mobile node has the ability of address preservation, then sends the IP address of the first interface to the second MAG.

Abstract: Disclosed are a method, system and device for switching a communication path. The method comprises: an MME receives a request message, wherein the request message is used for requesting for a communication in a D2D path; and the MME sends at least one bearer resource processing request message to a GW, wherein the bearer resource processing request message is used for notifying that a data path on a network side is switched from a CN path to the D2D path to be transmitted. The step that the MME receives the request message may comprise: the MME receives the request message from a eNodeB; or, the MME receives at least one bearer processing request from at least one of the two pieces of UE which have performed a D2D communication through the eNodeB.

Abstract: A method for performing policy and charging control in different roaming scenarios includes: establishing multiple Packet Data Network (PDN) connections to the same Access Point Name (APN), and performing relocation of a Bearer Binding and Event Report Function (BBERF) after establishing multiple PDN connections to the same APN. This method implements the policy and charging control on multiple PDN connections established to one APN in the roaming scenarios of the home routed and local breakout.

Abstract: The present invention discloses a method for selecting a policy and charging rules function server in a non-roaming scenario to achieve that the PCC policies for each IP-CAN session are determined only by one PCRF. The method comprises of a Diameter Routing Agent (DRA) establishing an association relationship table in which IP Connectivity Access Network (IP-CAN) session information and corresponding address information of a Policy and Charging Rules Function (PCRF) server are stored; and when a Policy and Charging Enforcement Function (PCEF) entity and a Gateway Control Function Entity (GWCF) requests the PCRF for or to update a Policy and Charging Control (PCC) policy of one IP-CAN session, or when an Application Function (AF) entity sends application information or service information down to the PCRF, obtaining the address information of the PCRF associated with said IP-CAN session from said DRA, then performing subsequent processing.

Abstract: The invention provides a method for a Bearer Binding and Event Report Function (BBERF) relocation, which is used in a process of the BBERF relocation after establishing a first Internet Protocol (IP) Connectivity Access Network (IP-CAN) session for User Equipment (UE) and establishing a first gateway control session, a first Gx session, an S9 session and a first subsession of the S9 session which are used to perform policy control to said first IP-CAN session in an Evolved Packet System. In the process of the BBERF relocation, a subsession of the S9 session established before handover of UE is linked to the gateway control session established between the destination BBERF and the visited PCRF and the corresponding Gx session according to the session identity information, thereby achieving deferred linking of policy and charging sessions in roaming scenarios of home routed and local breakout.

Abstract: The present invention provides a method and apparatus for discovering a home link in mobile IP, wherein the method includes: an access network assigns an address for a UE when the UE is attached to the network; the UE acquires a home address from the network; the UE compares the address assigned by the access network with the home address, and confirms that the UE is attached to the home link in the case that the address assigned by the access network and the home address are the same. Therefore, with the present invention, it is not necessary to configure the UE in advance, and the participation of the user is also not required. Thus improved application flexibility is provided.

Abstract: The present invention provides a charging method and system for a terminal being accessed through multiple access networks, and a reporting method for a terminal being accessed through multiple access networks. When the terminal establishes one IP Connectivity Access Network (IP-CAN) session with a packet data network through at least one access network, an IP-CAN Type parameter of each access network connection passed through by a data flow of a service accessed by said terminal is sent to a charging subsystem, and said charging subsystem charges differently for data flows passing through different access network connections of said terminal according to said IP-CAN Type parameter.

Abstract: A control method for H(e)NB access and a H(e)NB gateway are provided in the present invention. The method includes the following steps: a H(e)NB gateway interacting with a Broadband Policy Control Framework (BPCF) through a H(e)NB policy function, and requesting for the admission control of a fixed broadband access network; the BPCF returning the result of the admission control to the H(e)NB gateway through the H(e)NB policy function. The present invention performs policy control for the service access of the User Equipment (UE) accessing via the H(e)NB.

Abstract: A Home (Evolved) NodeB (H(e)NB) security access method and system, and a core network element are disclosed. The method includes a security gateway (SeGW) signing a digital signature for identity information of an H(e)NB and sending the digital signature to the H(e)NB, the H(e)NB sending the identity information of the H(e)NB and the digital signature to the core network element, and the core network element performing a correctness verification on the identity information of the H(e)NB and the digital signature.

Abstract: The present invention discloses a method for controlling establishment of a local IP connection, and the method includes: when an access gateway determines that data or application of a terminal needs to be offloaded, informing the terminal that a local IP connection needs to be established via a mobility management entity and a radio side network element by a bearer modification, or informing a radio side network element or a local gateway of a routing policy via a mobility management entity. The present invention also discloses a system for controlling establishment of a local IP connection. The present invention enables the terminal to instantly acquire whether a local IP connection needs to be re-established, can realize dynamic adjustment of local IP data; meanwhile, the present invention can realize dynamic adjustment of local IP data and dynamic establishment of the local IP connection in the case of the local IP connection.

Abstract: The disclosure discloses a method and a device for managing Internet Protocol (IP) offload connection. The method comprises the steps of: determining that a target Mobility Management Entity (MME) supports IP offload or identifies information of two Serving Gateways (S-GWs); the target MME receiving IP offload connection information from an source MME; the target MME processing the IP offload connection according to the IP offload connection information, wherein the process comprises one of the following: establishing, updating and activating the IP offload connection. With the disclosure, the experience of the user is enhanced in the wireless communication system.