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A message transmission method and device

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

Active Publication Date: 2020-01-03
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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  • A message transmission method and device
  • A message transmission method and device
  • A 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 present disclosure provides a message transmission method and device. The method includes: receiving a first notification message from a peer edge device, parsing out the first host route from the first notification message, and adding the first host route to the software forwarding table. A forwarding table item, the first forwarding table item includes the corresponding relationship between the first host route and the interface that receives the first notification message; after receiving the message, query the hardware forwarding table by the destination address of the message, if the If there is no forwarding table entry matching the destination address in the hardware forwarding table, the software forwarding table is queried through the destination address of the message, and if there is a forwarding table matching the destination address in the software forwarding table entry, then send the packet according to the forwarding entry matching the destination address. Through the technical solution of the present disclosure, broadcasting of the message in the data center of the local edge device is avoided, bandwidth resources of the data center are saved, business interruption of the host is avoided, and 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 Patents(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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