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Data transmission method, device and system

A data transmission method and message technology, applied in the field of communication, can solve the problems of reducing data transmission efficiency and taking up a long time, and achieve the effects of shortening time, improving efficiency, and improving the efficiency of encapsulation

Inactive Publication Date: 2018-11-13
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, when the existing data is encapsulated / decapsulated, it is necessary to fill / remove the header of the corresponding protocol through the corresponding protocol layer, resulting in a long time for encapsulation / decapsulation and reducing the efficiency of data transmission

Method used

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  • Data transmission method, device and system
  • Data transmission method, device and system
  • Data transmission method, device and system

Examples

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Embodiment Construction

[0051] The term "and / or" in the embodiment of the present application is only an association relationship describing associated objects, which means that there may be three relationships, for example, A and / or B, which can mean: A exists alone, and A and B exist at the same time , there are three cases of B alone.

[0052] The terms "first", "second", "third" and "fourth" in the specification and claims of the present application and the above drawings are used to distinguish different objects, rather than to limit a specific order.

[0053] The data transmission method provided by the embodiment of the present application can be applied in the VXLAN. Since the VXLAN can support a maximum of 16 million isolation domains, the network isolation function in a super-large network environment is realized. At the same time, when the existing physical machine encapsulates / decapsulates the VXLAN packet, it needs to fill / remove the packet header of the corresponding protocol through th...

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PUM

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Abstract

The embodiment of the invention provides a data transmission method, a device and a system, which relate to the technical field of communication and can optimize a process of encapsulation / de-encapsulation, improve efficiency of encapsulation / de-encapsulation and consequently improve efficiency of data transmission. The data transmission method comprises the following steps: a first physical machine acquires a first message sent by a second physical machine; the first physical machine affirms that the first message is a VXLAN (Virtual eXtensible Local Area Network) message, wherein the VXLAN message at least comprises a first packet header and a second message; and the first physical machine moves a pointer of the first message backwards for preset length and obtains the second message, wherein the preset length is the length of the first packet header.

Description

technical field [0001] The embodiments of the present application relate to the communication field, and in particular, to a data transmission method, device, and system. Background technique [0002] Virtual extensible local area network (Virtual eXtensible Local Area Network, VXLAN) is an extension of virtual local area network (Virtual Local Area Network, VLAN). The Layer 2 network extends the Layer 2 network, allowing users to build a Layer 2 network on the Layer 3 network. The network isolation function can be realized through VXLAN, so that there are sufficient virtual network partition resources in the large-scale multi-tenant cloud environment. Among them, network isolation refers to the information exchange and resource sharing realized by two or more computers or networks on the basis of disconnection. [0003] An existing VXLAN packet such as figure 1 As shown, the inner layer packet is encapsulated in turn with a VXLAN header (also called VXLAN header), an out...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L29/06
CPCH04L12/4633H04L12/4641H04L69/22
Inventor 钞勇
Owner HUAWEI TECH CO LTD