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Network traffic forwarding method and source routing equipment

A technology of network traffic and routing, applied in the field of communication, can solve problems such as slow forwarding of network traffic, frequent discarding of network traffic, and abnormal forwarding of network traffic

Inactive Publication Date: 2013-02-06
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the scenario of link switching or rerouting, when the neighbors are established and the network traffic reaches each new routing device, the network traffic cannot be forwarded normally because the relevant entries of the next-hop routing device are not stored. As a result, network traffic is forwarded slowly and network traffic is discarded more

Method used

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  • Network traffic forwarding method and source routing equipment
  • Network traffic forwarding method and source routing equipment
  • Network traffic forwarding method and source routing equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0075] An embodiment of the present invention provides a method for forwarding network traffic, specifically as follows figure 1 As shown, the method includes:

[0076] 101. During the process of establishing a neighbor relationship between the source routing device and the next-hop routing device, the source routing device sends a protocol packet carrying the MAC address of the source routing device to the next-hop routing device, so that all The next-hop routing device obtains first address mapping relationship information between the IP address of the source routing device and the MAC address of the source routing device.

[0077] The source routing device starts a neighbor establishment process with the next hop routing device by sending a first neighbor establishment request message to the next hop routing device.

[0078] The neighbor establishment refers to a process in which the source routing device performs route calculation / convergence in the scenario of link switc...

Embodiment 2

[0089] An embodiment of the present invention provides a method for forwarding network traffic. This embodiment takes the neighbor establishment process of the ISIS protocol as an example for description. figure 2 As shown, the method includes:

[0090] 201. The source routing device sends a first neighbor establishment request packet to the next-hop routing device, and the first neighbor establishment request packet carries the IP address of the source routing device, so that the next-hop routing device Sending a first ARP request packet to the source routing device according to the IP address of the source routing device, requesting the MAC address information of the source routing device.

[0091] The neighbor establishment refers to a process in which a source routing device performs route calculation / convergence in a scenario of link switching or large-scale network re-convergence.

[0092] In the ISIS protocol, the first neighbor establishment request message may specifi...

Embodiment 3

[0161] The embodiment of the present invention provides a source routing device 50, specifically as follows Figure 5 The source routing device 50 does not specifically refer to a routing device, but refers to the routing device that first initiates a neighbor establishment request when the routing device and the routing device establish neighbors. The source routing device 50 includes: a sending unit 51 and acquisition unit 52 .

[0162] The sending unit 51 is configured to send a protocol packet carrying the MAC address of the source routing device 50 to the next-hop routing device during the process of establishing a neighbor relationship between the source routing device 50 and the next-hop routing device. text, so that the next-hop routing device obtains the first address mapping relationship information between the IP address of the source routing device 50 and the MAC address of the source routing device 50 .

[0163] The source routing device 50 starts a neighbor esta...

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Abstract

The invention provides a network traffic forwarding method and source routing equipment, which can be used for accelerating the forwarding of network traffics and simultaneously reducing the discarding of the network traffics. The method comprises the following steps: during the neighbor establishment between the source routing equipment and next-hop routing equipment, the source routing equipment sends a protocol message which carries the MAC (Media Access Control) address of the source routing equipment to the next-hop routing equipment, so that the next-hop routing equipment can obtain information on a first address mapping relationship between the IP (Internet Protocol) address of the source routing equipment and the MAC address of the source routing equipment; the source routing equipment obtains information on a second address mapping relationship between the IP address of the next-hop routing equipment and the MAC address of the next-hop routing equipment; and then, after the neighbor establishment between the source routing equipment and next-hop routing equipment, the source routing equipment directly forwards the network traffics to the next-hop routing equipment. The network traffic forwarding method and the source routing equipment are applicable to the field of communications.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method for forwarding network traffic and a source routing device. Background technique [0002] With the rapid development of network technology, many multimedia applications with high bandwidth requirements have emerged on the Internet (Internet). Therefore, the speed and reliability of network traffic forwarding, as an important technical index in network technology, has increasingly become the focus of people's attention. [0003] In the process of network traffic forwarding, link or device failures often occur or routes need to be re-forwarded. At this time, link switching or rerouting needs to be performed in time. However, in the scenario of link switching or rerouting, when the neighbor is established and the network traffic reaches each new routing device, the network traffic cannot be forwarded normally because the relevant entries of the next-hop routing device are...

Claims

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Application Information

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IPC IPC(8): H04L12/763H04L12/741H04L29/12H04L45/17H04L45/74
Inventor 郭尧亮任强吴珂
Owner HUAWEI TECH CO LTD
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