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A data routing method and system

A data routing and data row technology, applied in the field of data routing methods and systems, can solve problems such as unrecognizable fixed network private IP addresses, message discarding, etc.

Inactive Publication Date: 2016-06-29
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0028] However, if Figure 4 As shown, in the RG routing mode, there are mainly the following problems in the prior art: Taking the EAP message between the RG and X-MAG as an example, after each network element obtains the necessary information through the control message, when there is downlink data passing through When X-MAG forwards to BNG / BRAS, because the destination IP of the data message is the IP allocated by the mobile network, and BNG / BRAS cannot recognize the private IP address outside the fixed network, it will discard the message

Method used

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  • A data routing method and system
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  • A data routing method and system

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Embodiment 1

[0077] In this process, when the RG is in the routing mode, taking the GRE tunnel as an example, the RG and X-MAG pass the EAP authentication message exchange to transmit the dynamic negotiation information of the GRE tunnel, including: GREKey, and trigger the X-MAG to send to the mobile core network The network element initiates the PMIP / GTP tunnel establishment process. The GRE tunnel is just one of the tunnel types, and it can also be applied to other types of dynamic negotiation of Layer 3 tunnels that require the cooperation of control signaling.

[0078] Such as Figure 5 As shown, this process specifically includes:

[0079] Step 501: PPP negotiation and authentication process between RG and BNG / BRAS; and optionally, DHCP negotiation process between UE and RG. During DHCP negotiation, RG assigns an IP address to UE, usually a private network IP. BNG / BRAS may initiate the establishment of a fixed network policy session with the Broadband Policy Control Function (Broad...

Embodiment 2

[0103] The difference between this process and the first embodiment is that the RG and X-MAG use DHCP messages or PMIP messages to transmit tunnel negotiation information, and at the same time trigger X-MAG to initiate a PMIP tunnel establishment process to mobile core network elements.

[0104] Such as Figure 6 As shown, the process of this embodiment mainly includes:

[0105] Step 601: UE, RG and BNG / BRAS perform fixed-network IP address allocation process interaction; if the UE is a mobile terminal, PPPLCP negotiation and EAP authentication processes are completed between UE and RG.

[0106] Step 602: After completing the EAP authentication, the UE sends a PPPIPCP request message to the RG.

[0107] Step 603: After receiving the PPPIPCP request message, if the UE is a mobile terminal user, the RG constructs a DHCP discovery or PBU message locally and sends it to the X-MAG. The message needs to be extended to carry downlink GREKey information.

[0108] Among them, the PMI...

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Abstract

Disclosed is a data routing method for a mobile terminal (UE) to access a mobile core network via a trusted fixed network. The method comprises: when the UE accesses a residential gateway (RG), the RG sends to a mobile access gateway a tunnel setup request carrying the tunnel negotiation downlink information; the mobile access gateway returns a tunnel setup response carrying the tunnel negotiation uplink information; the RG and the mobile access gateway complete the tunnel setup through dynamic negotiation; when visiting a service via the mobile core network, the UE encapsulates and forwards the data messages of the UE through the tunnel set up between the RG and the mobile access gateway. Also disclosed is a corresponding system. The present invention solves the problem of data messages being discarded.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a data routing method and system. Background technique [0002] The Evolved Packet System (EPS for short) of the 3rd Generation Partnership Project (3GPP) is mainly composed of the Evolved Universal Terrestrial Radio Access Network (Evolved Universal Terrestrial Radio Access Network, E-UTRAN for short), the Mobility Management Entity (Mobility Management Entity) , MME for short), Serving Gateway (S-GW for short), Packet Data Network Gateway (P-GW for short) and Home Subscriber Server (HSS for short). [0003] EPS supports intercommunication with non-3GPP systems, wherein intercommunication with non-3GPP systems is realized through S2a / b / c interfaces, and P-GW serves as the anchor point between 3GPP and non-3GPP systems. In the EPS system architecture diagram, non-3GPP system access is divided into untrusted non-3GPP access and trusted non-3GPP access. Among them, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/02H04W40/24
CPCH04L65/1043H04W76/12
Inventor 刘国燕毕以峰宗在峰周晓云霍玉臻
Owner ZTE CORP
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