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A method and device for unicast message transmission

A technology of unicast message and transmission method, which is applied in the field of communication, can solve problems such as consumption and multi-device resources, and achieve the effect of improving processing performance and saving device resources

Active Publication Date: 2021-08-24
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, there are a large number of VTEP devices on the EVPN network, and each VTEP device establishes VXLAN tunnels with other VTEP devices, resulting in the establishment of a large number of VXLAN tunnels and consuming more device resources.

Method used

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  • A method and device for unicast message transmission
  • A method and device for unicast message transmission
  • A method and device for unicast message transmission

Examples

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Embodiment Construction

[0025] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, rather than limiting the present application. As used in this application and the claims, the singular forms "a", "the" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and / or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.

[0026] It should be understood that although the embodiments of the present application may use terms such as first, second, and third to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the present application, first information may also be called second information, and similarly, second ...

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Abstract

The present application provides a unicast packet transmission method and device, the method comprising: after receiving a known unicast packet, querying an address forwarding table through the destination address of the known unicast packet, and obtaining the address corresponding to the destination address The target bit index identifier of the target; wherein, the address forwarding table is used to record the correspondence between the host address and the bit index identifier; the BIER header is explicitly copied for the known unicast packet encapsulation bit index, and the BIER header includes The target bit index identifier; querying a bit index forwarding table through the target bit index identifier to obtain an outbound interface corresponding to the target bit index identifier, and sending an encapsulated known unicast message through the outbound interface. Through the technical solution of the present application, the edge device does not need to establish and maintain a large number of VXLAN tunnels, which saves device resources and improves device processing performance.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a method and device for unicast message transmission. Background technique [0002] Ethernet Virtual Private Network (Ethernet Virtual Private Network, EVPN) is a two-layer virtual private network (Virtual Private Network, VPN) technology, and the control plane can adopt Multi Protocol Border Gateway Protocol (Multi Protocol Border Gateway Protocol, MP-BGP ) to advertise routing information, and the data plane may use an extensible virtual local area network (Virtual eXtensible Local Area Network, VXLAN) to encapsulate data packets. In an EVPN network, when the physical sites of tenants are scattered in different locations, based on the existing service provider network or enterprise IP network, Layer 2 interconnection can be provided for the same network segment of the same tenant, and different The network segment provides Layer 3 interconnection. [0003...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/741H04L12/721H04L12/46H04L45/74
Inventor 陈翀王瑞
Owner NEW H3C TECH CO LTD
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