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Processing method, device and system of link state

A link status and processing method technology, applied in the field of communication, can solve problems such as out-of-sync PE devices at both ends of a virtual link, achieve the effects of improving user experience, realizing port status synchronization, and accelerating convergence time

Inactive Publication Date: 2011-04-06
ZTE CORP
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0012] The present invention is proposed to solve the problem that the PE devices at both ends of the virtual link may not be synchronized in the point-to-point Ethernet virtual connection service of the Metro Ethernet in the related art. Therefore, the main purpose of the present invention is to provide a link Road state processing method, device and system, to solve the above problems

Method used

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  • Processing method, device and system of link state
  • Processing method, device and system of link state
  • Processing method, device and system of link state

Examples

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Embodiment 1

[0060] The first preferred embodiment describes the Ethernet-based OAM module.

[0061] Before the solution of the present invention is applied, the ports of the customer CE equipment at both ends of the point-to-point EVC service of the metropolitan area network cannot realize LINK state synchronization. When the link of the local CE and PE equipment is LINK DOWN, the remote PE and CE equipment cannot perceive it, which results in invalid one-way communication in the point-to-point EVC service, resulting in wasted link bandwidth and also not conducive to the convergence of customer services. After the solution, the link state synchronization between the ports of the client CE devices can be realized, and the practical difficulty of the operator can be solved.

[0062] like Figure 5 As shown, the port monitoring and notification module is responsible for monitoring the state change of the UNI port of the local PE device, and notifying the Ethernet OAM module in time. The Eth...

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Abstract

The invention discloses a processing method and device of a link state. The method comprises the following steps: receiving a change message of the link state, wherein, the change message of the link state indicates change of the link state of a user network interface (UNI) port of a provider edge (PE) device of a terminal; packaging an remote defect indication (RDI) message according to the change message of the link state, wherein, the RDI message is used for informing the PE device at an opposite terminal of starting or closing the UNI port of the PE device at the opposite terminal; and sending the RDI message to the PE device at the opposite terminal. In the invention, port state synchronization can be realized so as to enhance user experiences and accelerate the convergence speed of customer service.

Description

technical field [0001] The present invention relates to the field of communications, and in particular, to a method, device and system for processing a link state. Background technique [0002] A key attribute of Ethernet services is the Ethernet virtual connection (EVC). Metro Ethernet Forum (MEF) defines EVC as "a combination of two or more user-side network interfaces (User Net Interface, referred to as UNI)", where UNI is a standard Ethernet interface, which is a The demarcation point between the Ethernet of the device and the service provider. The Metro Ethernet Forum defines two types of EVC: point-to-point and multipoint-to-multipoint (this patent mainly provides a method for improving the convergence performance of customer services during point-to-point services). EVC needs to perform two functions: [0003] ①, connect two or more user sites (or UNI), and transfer Ethernet service frames between them. [0004] ②, to prevent the exchange of data between user site...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/28
CPCH04L67/1095H04L29/0854
Inventor 申春升
Owner ZTE CORP
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