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A method and device for sending and receiving messages

A technology for sending messages and messages, which is applied in the computer field, and can solve the problems of reducing bandwidth utilization, bringing costs, overhead, etc.

Active Publication Date: 2021-01-08
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of this application is to provide a method and device for sending and receiving messages, so as to solve the problem of using the standard VxLAN message format to forward data messages in the prior art, resulting in the overhead of extra header length and reducing bandwidth utilization. rate, bringing about the problem of additional cost

Method used

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  • A method and device for sending and receiving messages
  • A method and device for sending and receiving messages
  • A method and device for sending and receiving messages

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Experimental program
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Embodiment Construction

[0083] The application will be described in further detail below in conjunction with the accompanying drawings.

[0084] According to one aspect of the present application, a method for sending packets at the source switch is provided, the method is implemented at the source virtual switch, and specifically includes step S201 and step S202, wherein the step S201 is received from the source virtual machine An Internet Protocol message to be sent, the Internet Protocol message includes the Internet Protocol address of the target virtual machine and actual content, wherein the actual content is the data information actually to be transmitted in the message; the step S202, based on the Described Internet protocol message, generates virtual extensible local area network (Virtual Extensible LAN, VxLAN) message, and here, described VxLAN message is the VxLAN message that goes to purpose Media Access Control (Media Access Control, MAC) address; Then, Send the VxLAN message to the swit...

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PUM

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Abstract

The purpose of this application is to provide a method and device for sending and receiving messages. Firstly, the Internet protocol message to be sent is received from the source virtual machine, and then the destination media access control address in the Internet protocol message is removed by Generate a virtual scalable local area network message, and finally send the virtual scalable local area network message to the target virtual machine according to a preset address table that records the mapping relationship between the Internet protocol address of the target virtual machine and the Internet protocol address of the host machine The corresponding switch not only solves the problem of media access control address learning, but also uses virtual scalable LAN packets without redundant media access control addresses, and forwards packets based entirely on the Internet protocol address of the target virtual machine, effectively It improves bandwidth utilization and has good scalability.

Description

technical field [0001] This application relates to the field of computers, and in particular to a technique for sending messages. Background technique [0002] With the continuous development of cloud computing, in a multi-tenant cloud computing environment, users need an isolated network environment, which includes independent address space, complete isolation of network traffic between virtual networks, and independent Quality of Service (QoS) Assure. In the cloud computing environment, the existing technology adopts virtual extensible local area network (Virtual Extensible LAN, VxLAN) and other tunnel encapsulation protocols to realize the isolation of virtual networks between tenants, but due to the tunnel encapsulation protocol, for example, the VxLAN protocol introduces an additional 50 Byte to help realize the forwarding of the message, which reduces the actual utilization of the bandwidth; on the other hand, the VxLAN protocol relies on the multicast / broadcast of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/741H04L12/46H04L45/74
CPCH04L12/4641H04L45/74
Inventor 马塞郭帆马介悦王颖斌李星
Owner ALIBABA GRP HLDG LTD