Stream switching method, system and network device

A handover decision and handover type technology, applied in the field of stream handover technology, can solve problems such as unsatisfactory stream service quality and single stream handover mode

Active Publication Date: 2009-12-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The flow switching method is single, which cannot...

Method used

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  • Stream switching method, system and network device
  • Stream switching method, system and network device
  • Stream switching method, system and network device

Examples

Experimental program
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Embodiment 1

[0040] Embodiment 1, a stream switching method. The flow of the method is attached figure 1 shown.

[0041] figure 1 In S100, the handover initiator obtains the flow information to be switched, and sends a first request to the destination mobile access gateway, where the first request carries the obtained flow information to be switched.

[0042] The switching initiator in S100 can determine the information of the stream to be switched according to any one or any two or three of the current network state information, data stream information and user preference information, so as to obtain the stream information to be switched. Of course, the handover initiator can also obtain the information of the stream to be switched in other ways, for example, the handover initiator determines the information of the stream to be switched based on other factors; another example, the handover initiator obtains the information of the stream to be switched from the received command, etc. . ...

Embodiment 2

[0074] Embodiment 2 is a flow switching method in the case that the handover initiator is the mobile node and the handover decision-making party is the regional mobility anchor. The method can switch the flow to be switched from the connection between the original interface of the mobile node and the CN to the connection between the destination interface of the mobile node and the CN without interrupting the connection between the mobile node and the CN. The original interface here may be called interface 1, and the destination interface may be called interface 2. Interface 1 belongs to the original mobile access gateway of the mobile node, and interface 2 belongs to the destination mobile access gateway of the mobile node. The method process of embodiment two is attached figure 2 shown.

[0075] figure 2 In this method, the mobile node attaches to the original mobile access gateway through the original interface, and attaches to the destination mobile access gateway throu...

Embodiment 3

[0092] Embodiment 3: A flow switching method under the condition that the handover initiator is the regional mobile anchor point and the handover decision-making party is the mobile node. The method can switch the flow to be switched from the connection between the original interface of the mobile node and the CN to the connection between the destination interface of the mobile node and the CN without interrupting the connection between the mobile node and the CN. The original interface here may be called interface 1, and the destination interface may be called interface 2. Interface 1 belongs to the original mobile access gateway of the mobile node, and interface 2 belongs to the destination mobile access gateway of the mobile node. The method process of embodiment three is attached image 3 shown.

[0093] image 3 In the above, the mobile node attaches to the original mobile access gateway through the original interface, and attaches to the destination mobile access gatew...

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Abstract

A stream switching method, a system and a network device are disclosed. The stream switching method comprises the following steps: a switching decision maker receives information of streams to be switched sent by a switching initiator through a target mobile access gateway, judges whether switching is permitted or not, and returns judgement result information to the target mobile access gateway, and an area mobile anchor which provides services for the information of streams to be switched updates the routing information of the streams to be switched under the condition that the judgement result is permission of the switching. The technical proposal can realize the switching with stream as unit and enriches the realization methods of the stream switching, thus being capable of satisfying the requirements of streams such as QoS.

Description

technical field [0001] The invention relates to the technical field of proxy mobile IPv6, in particular to a flow switching technology. Background technique [0002] The PMIPv6 (Proxy Mobilie IPv6, proxy mobile IPv6) system includes: LMA (Localized Mobility Anchor, regional mobility anchor) and MAG (Mobility Access Gateway, mobile access gateway), and a PMIPv6 domain includes at least one LMA and multiple MAGs. Since the MAG can register with the LMA as the agent of the mobile node, PMIPv6 protocol can realize IP mobility management without the participation of the mobile node. [0003] After receiving the registration message (PBU) carrying the mobile node identity and MAG address information sent by the MAG, the LMA assigns one or more home network prefixes (MN-HNP) to the mobile node, and informs the mobile node through a registration confirmation message (PBA) MAG, MAG notifies the MN-HNP to the mobile node through router advertisement. The mobile node configures its h...

Claims

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Application Information

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IPC IPC(8): H04W8/08H04W28/06H04W28/18H04W36/12H04W88/14H04W88/16
Inventor 时晓岩谭仕勇申砾张瀚文张玉军
Owner HUAWEI TECH CO LTD
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