Zte Corporation

Xi'an Zhongxing New Software Co., Ltd.

Zte (usa) Inc.

Yifeng Bi

Jing Wen Wang

Jun Wang

Xiaoyun Zhou

Na Zhou

Zaifeng Zong

Guoyan Liu

Lin Li

Jianjie You

Tian Hao Tian

Fei Lu

Jing Wang

Yinxing Wei

Qiang Wu

Tricci So

Zhihai Wang

Hongyan Wang

Tian Tian

Yuhong Li

Provided are a data flow distribution method and a controller. The method includes: a software defined network (SDN) controller acquiring data flow description information of a data flow; and the SDN controller deciding, according to the data flow description information, whether the data flow needs distribution, and when the data flow needs the distribution, delivering a distribution rule flow table to a distribution gateway. By using the technical solutions, application/service data flow based distribution is implemented. Compared with the related art that distribution is implemented based on a PDN connection and based on a bearer, the technical solutions implement finer-granularity distribution, and improve experience of users and competition of operators.

Data flow distribution method and controller

A method and system for notifying information applied to an Evolved Packet System/General Packet Radio Service network implemented by a Software Defined Network is provided, in which, a controller reselects a gateway to obtain a new gateway and sends user plane information of the new gateway to a front-end network element. The user plane information comprises user plane address information of the new gateway. The controller sends a GPRS Tunnel Protocol (GTP) notification message or GTP Update Bearer Request message carrying the user plane information of the new gateway to the front-end network element; or sends a GTP Update Bearer Request message carrying an update indication to the front-end network element, sends a bearer response message carrying the user plane information to the front-end network element through a GTP Modify Bearer Response after receiving a GTP Modify Bearer Request message sent by the front-end network element.

Gateway update information notification method, and controller

Disclosed is a charging method and system based on a SDN EPC network, which includes: receiving, by a controller, a charging rule from a charging rule generator, and establishing, through binding, a correspondence between a flow table of the controller and the charging rule; setting, by the controller, entries for the flow table bound to the charging rule, and sending the set flow table to a UGW; and receiving, by the controller, a statistical result, reported from the UGW, regarding traffic and/or duration consumed by a service in the flow table, and charging for the service according to the statistical result and the charging rule bound to the flow table.

SDN EPC network-based charging method, system and storage medium

Disclosed are a method, device, system for detecting a data link, controller, and gateway. The method comprises: an SDN controller sends a GTP request message to a first UGW, and instructs the first UGW to send the GTP request message to another GTP endpoint in a GTP user plane signaling format; the SDN controller receives a GTP response message from the first UGW, and detects a data link between the first UGW and the another GTP endpoint according to the GTP response message, the GTP response message being corresponding to the GTP request message. The disclosure solves the problem in the prior art that logic of a user plane and logic of a control plane are unclear during detection of a data link between GTP endpoints, thereby improving the clarity of the logic of the user plane and the clarity of the logic of the control plane.

Method, device, system for detecting data link, controller and gateway

Provided is a method for selecting a shunt gateway and a controller. The method includes that: the controller allocates an Anycast address of Serving Gateways (S-GWs) for a user equipment, and sends the Anycast address to all of the S-GWs; the controller sends the Anycast address to a radio-side network element via a Mobility Management Entity (MME); and when the controller receives a Packet_In message and a first uplink data packet from the user equipment sent by an S-GW, the controller selects the S-GW as an S-GW for the user equipment.

Method for selecting shunt gateway and controller

Disclosed is a method for network charging, which includes: user state information is received from a mobility management network element and charging strategy information is received from a charging rule network element, then a charging resource request message containing the charging strategy information, the user state information and information of a universal gateway (UGW) are sent to a data centre management network element; information of a processing network element is received from the data centre management network element; a flow table for the UGW is configured according to the information of the processing network element, and the configured flow table is sent to the UGW; and charging processing information fed back from the data centre management network element is received when the processing network element charges for a traffic flow. The disclosure further provides a controller for network charging.

Method and controller for network charging

Disclosed is a method for network charging, which includes: a data center management network element, upon reception of a charging resource request message from a controller, supports a charging function of a processing network element by a virtual machine and feeding back information of the processing network element to the controller; the data center management network element sending charging strategy information, user state information and information of UGW to the processing network element, which implements transmission of a traffic flow with the UGW according to the information of UGW, charges for the traffic flow according to the charging strategy information and the user state information, and feeds back charging processing information to the data center management network element; and the data center management network element feeding back the charging processing information to the controller. The disclosure further provides a data center, controller, UGW and system for network charging. Thus the charging service may be implemented for a SDN EPC network.

Method, controller, data center, system and storage medium for network charging

Disclosed are a method, device and system for session binding. The method includes: a PCRF or BPCF receives a first session from a fixed network, wherein the first session carries an IP address and a port number set; the PCRF or BPCF receives a second session from an AF or a Traffic Detection Function (TDF), wherein the second session carries an IP address and port number information; and the PCRF or BPCF binds the first session to the second session according to the IP addresses and the port number information. The disclosure solves the problem of inaccurate session binding in the scenario where a mobile terminal directly accesses mobile network services via a fixed network.

Method, device and system for session binding

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.

Internet protocol mapping resolution in fixed mobile convergence networks

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.

Policy control method and system

The present disclosure discloses a method and system for updating tunnel information. The method comprises: a target HeNB which a user equipment (UE) is to be handed over notifies a Mobility Management Entity (MME) of the tunnel information through a handover acknowledgement message, a handover notification message or a path converting request message; and the MME notifies a fixed network of the received tunnel information through an Evolved Packet Core (EPC) gateway and a Policy and Charging Rules Function entity (PCRF). With the present disclosure, policy interworking between a mobile network and the fixed network can be implemented, and the Quality of Service of the HeNB can be ensured.

Method and system for updating tunnel information

It is provided a method and system for multi-access authentication in Next Generation Network (NGN). A network side authentication center (NSAC) generates an authentication vector after receiving, from a user terminal (UT), UT information including subscription information and multi-access information of the UT; after receiving an authentication request including authentication information from the NSAC, the UT performs authentication on the network side, generates keying material and network side authentication information (NSAI) upon successful authentication, and sends the NSAI to the NSAC, which performs authentication on the NSAI using the authentication vector, generates keying material according to the multi-access information of the UT upon successful authentication, and informs an access forwarding functional module (AFFM) of the keying material; the AFFM encrypts and decrypts access service information of the UT according to the keying material. The efficiency with which the UT accesses the network is enhanced.

Method and system for multi-access authentication in next generation network

The present invention discloses a multiple access method and a multiple access system of terminal in Evolved Packet System (EPS). The multiple access method of terminal in EPS comprises the following steps that: a Packet Data Network Gateway (P-GW) sends a first multiple access capability indication to a terminal, wherein the first multiple access capability indication denotes that the P-GW supports a multiple access; the terminal performs the multiple access according to the multiple access capability indication of the P-GW. The present invention avoids the waste of network resource and improves the experience of users.

Growing community of inventors

Shenzhen, China

Yifeng Bi