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Multiple engine quick master-slave swap and its method

A master-standby switchover and multi-engine technology, applied in the field of multi-engine fast master-standby switchover devices, can solve problems such as inability to switch in time within tens of seconds to a few minutes, and achieve the effect of guaranteed transmission

Inactive Publication Date: 2007-10-10
ZTE CORP
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] However, the traditional Ethernet technology has great deficiencies in protection switching. When the original technology fails, the convergence time of the vibration caused by the switching is between tens of seconds to several minutes.
Even with the addition of the latest technologies such as ring network protection, it can only guarantee that the convergence time of the Layer 2 network meets the requirements, but different active and standby links correspond to different physical media, routing information, and more important quality of service guarantee attributes (these can be collectively referred to as forwarding strategy) but cannot be switched in time

Method used

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  • Multiple engine quick master-slave swap and its method
  • Multiple engine quick master-slave swap and its method

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Embodiment Construction

[0025] The present invention can quickly switch between different forwarding engine modules when link failures, network congestion or changes in user requirements occur, and can complete the entire forwarding strategy (including changing physical links, routing strategies, and label identifications) in a very short time. and quality of service attributes) to ensure that the services carried will not be affected in any way.

[0026] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0027] Referring to Fig. 1, the multi-engine fast master-standby switching device is described in detail.

[0028] The device is divided into two parts, namely a plurality of independent forwarding engine modules and a decision engine module.

[0029] Each forwarding engine module runs an independent protocol and has a completely independent forwarding strategy. Each forwarding engine module is completely similar to the f...

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Abstract

The apparatus comprises a decision engine module and at least two relay engine modules each comprising independent route protocol and relay strategy and used for receiving or transmitting protocol message. According to the actual state of the link or network corresponding to different relay engine module, said decision engine module decides the switch between relay engine modules; the switched relay engine module is used to process the message. The invention also provides a method for main / standby switch between multi engines.

Description

technical field [0001] The invention relates to a switching and forwarding technology when a link of a network equipment fails, and in particular relates to a multi-engine fast active-standby switching device and a method thereof. Background technique [0002] Faced with increasingly fierce competitive pressure, global mainstream operators have put forward the operation ideas of network transformation and started the construction of next-generation networks. In terms of network transformation, mainstream operators in the industry all choose Ethernet technology with many advantages as the foundation of the new generation bearer network, hoping to reduce operating costs, improve service provision capabilities, and increase expansion through a unified network infrastructure. value chain capabilities. [0003] In a carrier-class Ethernet bearer network, the ability to handle network faults is one of the most worrying issues for operators regarding Ethernet technology. Network ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06H04L12/24
Inventor 朱景波范力涵韩俊杰蒋建锋
Owner ZTE CORP
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