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Message transmission method and device

A message transmission and message technology, applied in the field of communication, can solve the problems of occupying the bandwidth resources of the data center 2, unable to send messages to the host 1, and affecting the user experience, so as to avoid interruption, save bandwidth resources, and improve usage Feel the effect

Active Publication Date: 2018-07-06
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because the forwarding table of edge device 2 does not include the forwarding table entry matching the destination IP address 11.1.1.2, the packet is broadcast in data center 2, thus occupying a large amount of bandwidth resources of data center 2, and the packet cannot be sent For host 1, the business of host 1 is interrupted, which affects the user experience

Method used

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  • Message transmission method and device

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Embodiment Construction

[0019] The terminology used in the embodiments of the present disclosure is only for the purpose of describing specific embodiments, rather than limiting the present disclosure. As used in this disclosure 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.

[0020] It should be understood that although the terms first, second, third, etc. may be used in the present disclosure to describe various information, the 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 disclosure, first information may also be called second information, and similarly, second information may...

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Abstract

The invention provides a message transmission method and device. The method comprises the following steps of receiving a first notification message from an opposite-end edge device, analyzing a firsthost route from the first notification message, and adding a first forwarding entry in a software forwarding table, wherein the first forwarding entry comprises a corresponding relation between the first host route and an interface receiving the first notification message; and after the message is received, inquiring a hardware forwarding table through a destination address of the message, if no forwarding entry matched with the destination address exists in the hardware forwarding table, inquiring the software forwarding table through the destination address of the message, and if the forwarding table entry matched with the destination address exists in the software forwarding table, sending the message according to the forwarding entry matched with the destination address. According to the technical scheme, the message is prevented from being broadcast in a data center of a local edge device, the bandwidth resources of the data center are saved, the service of a host is prevented from being interrupted, and the user experience is improved.

Description

technical field [0001] The present disclosure relates to the technical field of communications, and in particular to a message transmission method and device. Background technique [0002] VXLAN (Virtual eXtensible Local Area Network, scalable virtual local area network) is based on IP network, using "MAC (Media Access Control, Media Access Control) in UDP (User Datagram Protocol, User Datagram Protocol)" encapsulation form of two-layer VPN ( Virtual Private Network, virtual private network) technology. Based on the existing service provider or enterprise IP network, VXLAN can provide Layer 2 interconnection for scattered sites and provide service isolation for different tenants. [0003] VXLAN is mainly used in data center networks, such as figure 1 As shown in the figure, it is a schematic diagram of a data center network using VXLAN. Host 1 is located in data center 1, host 2 is located in data center 2, and host 3 is located on the public network side. Assuming that d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/741H04L45/50H04L45/74H04L45/02
CPCH04L45/54H04L45/745H04L12/4641H04L12/4633H04L45/74591H04L12/467H04L12/4675H04L45/02H04L45/302
Inventor 黄李伟王伟
Owner NEW H3C TECH CO LTD
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