Message forwarding method and device based on data center

A message forwarding and message technology, applied in the field of communication

Active Publication Date: 2020-09-11
RUIJIE NETWORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides a data center-based message forwarding method and device to solve the problem of the three-layer loop existing in the prior art

Method used

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  • Message forwarding method and device based on data center
  • Message forwarding method and device based on data center
  • Message forwarding method and device based on data center

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0043] Aiming at the problem of layer 3 loop in the prior art, the embodiment of the present invention provides a data center-based message forwarding method, which is applied to the core switch included in the data center. The process of the method is as follows: figure 2 As shown, the execution steps are as follows:

[0044] S21: Determine the first shared risk link group to which the packet receiving interface belongs.

[0045] Wherein, the first shared risk link group includes each interface connected between the switch connected to the receiving interface and the core switch, that is to say, the interfaces connected to the same switch can be set as a shared risk link group.

[0046] S22: Search the routing forwarding table for the first routing forwarding table item corresponding to the destination Internet Protocol (Internet Protocol, IP) address of the message, if the first routing forwarding table item is found in the routing forwarding table, then execute S23; if If...

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PUM

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Abstract

The invention discloses a message forwarding method and device based on a data center. The method comprises the following steps: determining a first sharing risk link group to which a receiving interface of a message belongs; searching a first routing forwarding table entry corresponding to the destination IP address of the message in a routing forwarding table; if the first routing forwarding table entry is found in the routing forwarding table, searching a first set equivalent multipath group corresponding to the first sharing risk link group in the first routing forwarding table entry; if the first set equivalent multipath group is found in the first routing forwarding entry, forwarding the message according to the first set equivalent multipath group; and if the first set equivalent multipath group is not found in the routing forwarding table entry, forwarding the message according to a first original equivalent multipath group in the first routing forwarding table entry. Accordingto the scheme, generation of a three-layer loop can be avoided, so that packet loss can be avoided, and normal forwarding of the service message is ensured.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a data center-based message forwarding method and device. Background technique [0002] in such as figure 1 In the data center shown, the MAN switch will publish the default route to the core switch, aggregation switch, and access switch for access to the external network and across data centers, and the access switch will issue a downlink route to the aggregation switch and core switch. The host route of the host is used to access the downlink host of the access switch. Assume that the link between aggregation switch 1 and access switch 1 fails, and aggregation switch 1 deletes the host route from access switch 1 first. , core switch 2 forwards to aggregation switch 1, aggregation switch 2, aggregation switch 1 will match the default route according to the longest matching principle, and forward the packet to core switch 1, core switch 2; core switch 1, core switch 2 Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/709H04L12/741H04L12/803H04L45/243H04L45/74
CPCH04L45/24H04L45/745H04L47/125Y02D30/50
Inventor 戴志滨
Owner RUIJIE NETWORKS CO LTD
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