Method and system for detecting local protection of Ethernet tunnel

Abstract

The invention discloses a method for detecting local protection of an Ethernet tunnel. The method comprises a step of detecting the connectivity of a section corresponding to a tunnel example according to a media access control address at an end point of the tunnel example. The invention also discloses a system for detecting the local protection of the Ethernet tunnel. The system comprises a detection unit used for detecting the connectivity of the section corresponding to the tunnel example according to the media access control address at the end point of the tunnel example. The method and the system of the invention realize connectivity detection of the section corresponding to the tunnel example, and improve the reliability, precision and efficiency of the detection.

Description

technical field [0001] The invention relates to detection technology in the technical field of network communication, in particular to a detection method and system for partial protection of an Ethernet tunnel. Background technique [0002] With the introduction of the concept of Carrier Ethernet (CE, Carrier Ethernet) to meet the requirements of telecom networks, a connection-oriented Ethernet technology - Provider Backbone Transport (PBT, Provider Backbone Transport) also surfaced in October 2005. Since then, operators at home and abroad have adopted PBT technology to form a network, which provides a good start for the development of PBT technology in the metropolitan area network. [0003] The basis of PBT technology is the Provider Backbone Bridge (PBB, Provider Backbone Bridge) technology defined by the IEEE 802.1ah standard. IEEE refers to PBT technology as the Provider Backbone Bridge Traffic Engineering (PBB-TE, Provider Backbone Bridge Traffic Engineering) that supp...

AI Technical Summary

Problems solved by technology

Due to the repeated sending of the same message, the complexity of P11 forwarding processing is increased, and there is a great operational risk on Ethernet devices

On the other hand: If CCM detection is done between P11 and P31, P11-P21-P31 is expressed in triplets as , then the segment data path between P11 and P31 Not equal to the end-to-end data path between tunnel PE1 and PE2, i.e. ≠ , due to segment protected detection path The corresponding destination MAC address is MAC-P31, and the destination MAC address corresponding to the detection path of end-to-end protection is B-MAC2. Therefore, the detection path of segment protection does not match the detection path of end-to-end protection. In the case of replacing the full path protection, the connectivity detection of the end-to-end working tunnel cannot be realized by detecting the connectivity of the segment, the detection reliability is low, and the detection accuracy and detection efficiency are not high

At present, there is no effective solution for these two problems

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