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A routing control method, device and system

A technology of a control device and a control method, which is applied in the field of communication, can solve the problems that VxLAN cannot realize network load sharing, and achieve the effect of reducing waste and reducing link bandwidth

Active Publication Date: 2019-09-06
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In VxLAN technology, each tenant corresponds to a virtual overlay network (virtual overlay network), and each virtual overlay network is considered as a VxLAN network segment (segment) and passes through a 24-bit VNI (VxLAN network identifier, virtual extensible LAN network identifier) ​​identification, so the maximum number of segments is 2 to the 24th power, which is about 16M, which effectively breaks through the limitation of 4K tenants in traditional VLANs. However, VxLAN cannot realize load sharing in the network

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  • A routing control method, device and system
  • A routing control method, device and system
  • A routing control method, device and system

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Embodiment Construction

[0021] In order to make the above objects, features and advantages of the present application more obvious and comprehensible, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] A method for realizing communication between tenants under different gateways requires manual configuration of tenant information in each gateway, such as VM IP (Internet Protocol, protocol for interconnecting networks) address information, EVPN configuration information, etc. Manually configure the BGP EVPN neighbor information between gateways. In this way, when there are a large number of gateways and tenants in the EVPN network, the configuration workload is huge, resulting in low communication efficiency.

[0023] In addition, in the EVPN network, the gateway will publish all its own BGP routing information to the peer; since there are a large number of routes irrelevant to the receiving end i...

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Abstract

Embodiments of the present application provide a routing control method, device, and system. The method includes: obtaining the first tenant information corresponding to the first gateway, and the second tenant information corresponding to the second gateway; when the first tenant information and the second tenant information meet preset conditions, notify the The first gateway does not send preset routing information to the second gateway. The embodiment of the present application can reduce the transmission of unnecessary routing information between gateways, thereby reducing the link bandwidth and reducing the waste of CPU resources when parsing and processing the routing information.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a routing control method, device and system. Background technique [0002] VxLAN (Virtual Extensible Local Area Network, Virtual Extensible Local Area Network) technology can be used to extend network virtualization, so that multiple VMs (virtual machines, virtual machines) in the same VxLAN can communicate across a layer-3 network. In VxLAN technology, each tenant corresponds to a virtual overlay network (virtual overlay network), and each virtual overlay network is considered as a VxLAN network segment (segment) and passes through a 24-bit VNI (VxLAN network identifier, virtual extensible LAN network identifier), so the maximum number of segments is 2 to the 24th power, or about 16M, which effectively breaks through the limitation of 4K tenants in traditional VLANs. However, VxLAN cannot realize load sharing in the network. [0003] In order to solve the p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/741H04L12/751H04L12/713H04L12/803H04L45/74H04L45/02H04L45/586
CPCH04L45/02H04L45/586H04L45/74H04L47/125H04L12/4641
Inventor 陈岩王伟黄李伟
Owner NEW H3C TECH CO LTD