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Establishment method and device of packet data network (PDN) connection

A packet data network and connection establishment technology, which is applied in the field of packet data network PDN connection establishment, can solve problems such as wasting network transmission resources, and achieve the effect of avoiding the waste of network resources and improving resource utilization efficiency

Active Publication Date: 2010-01-27
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0009] Therefore, the existing technology uses the PDN identifier at any time, thereby wasting resources for network transmission

Method used

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  • Establishment method and device of packet data network (PDN) connection
  • Establishment method and device of packet data network (PDN) connection
  • Establishment method and device of packet data network (PDN) connection

Examples

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Embodiment 1

[0059] Based on the above changes, corresponding to the above-mentioned situation where the PDN identifier is assigned first, and the use of the PDN identifier is triggered only when the same IP address is found, the present invention proposes the following embodiments, as figure 1 As shown, it is Embodiment 1 of the present invention, a schematic flow chart of a method for establishing a packet data network PDN connection, including the following steps:

[0060] Step S101, acquiring IP addresses corresponding to multiple PDN connections.

[0061] The specific acquisition steps are as follows:

[0062] Receiving multiple PDN connection establishment requests initiated by the terminal, and forwarding the establishment requests to multiple PDN gateways corresponding to the multiple PDN connection establishment requests. Wherein, the establishment requests of multiple PDN connections also include corresponding access point names.

[0063] Receive IP addresses corresponding to m...

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Abstract

The embodiment of the invention discloses an establishment method and a device of packet data network (PDN) connection, comprising the following steps: obtaining IP addresses to which at least two PDN connections correspond; distributing corresponding PDN identifications for the at least two PDN connections; when the IP addresses to which the at least two PDN connections correspond are identical,triggering the at least two PDN connections which correspond to the identical IP addresses by using the corresponding PDN identifications, and establishing the PDN connection. By the application of the invention, only when the addresses distributed to a mobile terminal by PDN GW are identical, and the PDN identifications are triggered to be used to establish the corresponding PDN connections; therefore, the network resources wastes caused by the use of PDN identifications in all conditions is avoided; the usage efficiency of the resources is improved, and especially the transmission efficiency of empty port is improved.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a method and device for establishing a PDN connection in a packet data network. Background technique [0002] 2G (2nd Generation, second-generation digital communication) and 3G (3rd Generation, third-generation digital communication) wireless cellular networks have multiple standards, such as GSM (Global System for Mobile Communications, Global System for Mobile Communications), CDMA (Code Division Multiple Access, code division multiple access) 20001x, UMTS (Universal Mobile Telecommunications System, universal mobile communication system) and CDMA2000 EV-DO (Evolution Data-Optimized, evolution data optimization), with the development of technology, the above networks are also constantly Evolution to provide higher rates and richer services. In the past, in order to maintain forward compatibility, operators would consider upgrading to the evolved version of the existing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
Inventor 赵洁钟鑫刘继兴李志明
Owner HUAWEI TECH CO LTD
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