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Method, device and router for forwarding data flow

A data flow and router technology, applied in the field of communication, can solve the problems of occupying switching network bandwidth, occupation, data flow occupation, etc., and achieve the effects of improving stability, reducing pressure, and saving bandwidth

Active Publication Date: 2012-05-23
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In the process of realizing the above-mentioned multicast isolation, the inventors found that there are at least the following problems in the prior art: the bandwidth of the data flow forwarding channel is occupied, and the data flow that does not need to be forwarded passes through the switching network board, occupying the bandwidth of the switching network, reducing The working efficiency of the switching network is reduced; and the data flow that is finally pruned and discarded also occupies the bandwidth of the traffic manager, which affects the egress bandwidth scheduling and data flow shaping function of the traffic manager

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  • Method, device and router for forwarding data flow
  • Method, device and router for forwarding data flow
  • Method, device and router for forwarding data flow

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Embodiment Construction

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0038] The embodiments of the present invention aim to provide a data flow forwarding method, device and system, which can realize multicast isolation and save the bandwidth of the data flow forwarding channel.

[0039] The data flow forwarding method that the embodiment of the present invention provides, such as Figure 4 The flow chart shown includes the following steps:

[0040] S11. Receive a data stream.

[0041] S12. Obtain attributes of data flow ingr...

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Abstract

In order to achieve multicast isolation and save the bandwidth of channels for forwarding data flow, the embodiment of the invention discloses a method, a device and a router for forwarding data flow, relating to the technical field of communication. The method comprises the following steps: receiving the data flow; acquiring the attribute of a gateway link of the data flow; selecting a broadcastdomain for forwarding the data flow according to the attribute of the gateway link of the data flow and the predetermined configuration; and forwarding the data flow according to the selected broadcast domain. The embodiment of the invention further discloses a device and a router for forwarding data flow. The embodiment of the invention is applicable to a VPLS (virtual private LAN service) network system.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a method and device for forwarding data streams, and a router. Background technique [0002] In the virtual private local area network (VPLS, Virtual Private LAN Service) business field, the logical connection between Provider Edge (PE, Provider Edge) devices is called HUB virtual circuit (VC, Virtual Circuit), and the user edge (CE, Customer Edge) ) The logical connection between the device and the PE device is called SPOKE VC. The protocol stipulates that PE can only forward the data flow on the HUB VC link to the SPOKE VC link after receiving the data flow on the SPOKE VC link, and PE can forward the data flow on the HUB VC or SPOKEVC link after receiving the data flow on the SPOKE VC link. It should be noted here that the links generally referred to are all physical. In the VPLS field, multiple logical interfaces with different attributes are established on one physica...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/18H04L12/46H04L12/56H04L45/16
Inventor 彭晓澎杨雄
Owner HUAWEI TECH CO LTD
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