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A unicast communication method, gateway and vxlan access device

A technology of access equipment and unicast communication, applied in the field of communication, can solve problems such as unreliable unicast communication, and achieve the effect of ensuring reliability

Active Publication Date: 2020-06-26
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the existing VXLAN network, the unicast communication between the gateway and the VM in the all-active gateway is unreliable

Method used

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  • A unicast communication method, gateway and vxlan access device
  • A unicast communication method, gateway and vxlan access device
  • A unicast communication method, gateway and vxlan access device

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Embodiment Construction

[0047] The technical solutions of the present application will be described in further detail below with reference to the drawings and embodiments.

[0048] This application is applied to VXLAN, the VXLAN in this application and figure 1 VXLAN shown has the same architecture, however, this application requires the figure 1 The spine / gateway and leaf / VXLAN access devices in the network are adaptively modified.

[0049] Among them, spine1 and spine2 are backbone nodes of the bearer network, located at the aggregation layer, such as aggregation switches or core switches. leaf1-leaf4 are the leaf nodes of the bearer network, located at the access layer. Spine1 and spine2 form an all-active gateway, and spine1 and spine2 use the same virtual IP address and the same virtual MAC address (physical address). leaf1 to leaf4 are VXLAN access devices, such as access switches. The aggregation switch, core switch and access switch are determined by the position of the switch in the netw...

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Abstract

This application involves a single -broadcast communication method, gateway and VXLAN access device.VXLAN access device receives the VXLAN request message, which contains gateway logo in the head of the request message; obtained the gateway logo from the VXLAN head of the request message; the request message is explained and encapsulated to get the IP request message;Get the characteristics of the message in the IP request message, the corresponding relationship between the storage gateway logo and the characteristics of the message; send the IP request message to the virtual machine; receive the IP response message; obtain the characteristics of the message from the IP response message, according to the characteristicsThe characteristics of the packet and the corresponding relationship are obtained by the gateway; the IP response message is encapsulated, and the VXLAN response message is obtained. The VXLAN head contains the gateway logo; the VXLAN response message is sent.This application guarantees the reliability of single -broadcast communication between the gateway and the virtual machine in VXLAN.

Description

technical field [0001] The present application relates to the field of communication technology, and in particular to a unicast communication method, a gateway and a virtual extensible (English: Virtual eXtensible Local Area Network, VXLAN for short) access device. Background technique [0002] A typical networking structure of VXLAN is a spine-leaf (spine-leaf) Layer 2 network topology. Such as figure 1 As shown, the existing VXLAN network includes spine (gateway) and leaf (VXLAN access device), each leaf communicates with other leaf through spine, and each leaf is one or more virtual machines (English: virtual machine, referred to as: VM) provides access services. In order to improve the reliability and network capacity of the VXLAN network, multiple active spines are usually deployed in the VXLAN, which are called all-active gateways. [0003] In the existing VXLAN, multiple spines that make up the multi-active gateway and each leaf implement load sharing through equal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26H04L29/06
CPCH04L43/0811H04L65/61
Inventor 李久勇张新钢高满仓胡踔
Owner HUAWEI TECH CO LTD