A link and service management method and system

A management method and management system technology, which is applied to multiplexing system selection devices, transmission systems, electromagnetic wave transmission systems, etc., can solve problems such as business damage and inability to reflect real-time business status, so as to avoid business interruption and improve Stability and efficiency, the effect of meeting maintenance needs

Active Publication Date: 2020-05-05
FENGHUO COMM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Optical monitoring channel status can reflect the real-time status of the link, but cannot reflect the real-time status of the service
Between the local node and the peer node, when the OSC version is upgraded or the OSC unit is replaced, the OSC unit will report the fault to the WSON control plane. According to the current processing method, the WSON service Switching (rerouting) will occur. If the switching is successful, the business will be interrupted for a few seconds. That is, when the actual business is not damaged, the switching action will cause the business to be damaged

Method used

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  • A link and service management method and system
  • A link and service management method and system
  • A link and service management method and system

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Embodiment Construction

[0041] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0042] see figure 2As shown, the first embodiment of the present invention provides a link and service management method, which is applied to network nodes communicating with each other. The mechanism for connecting network nodes to each other can be ASON and WSON, for example figure 1 A network node in the WSON network shown.

[0043] This management method includes the following steps:

[0044] S110. The sending optical amplifier reports an optical channel alarm to the optical supervisory channel unit.

[0045] For example, when transmitting services between node A and node B, node A and node B are the local node and the peer node of each other, and the optical channel and link are normal. When the optical cable between node A and node B is disconnected, Or, when there is no business, all optical wavelength selective switches (W...

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Abstract

The invention discloses a link and service management method and system and relates to the technical field of communications. The management method comprises the following steps: a transmitting optical amplifier reports an optical channel alarm to an optical monitoring channel unit; when the status information of an optical channel and / or an optical monitoring channel changes, the optical monitoring channel unit transmits an alarm message carrying the current status information of the optical channel and the optical monitoring channel to a control plane; and the control plane judges whether toupdate the link resource and trigger service switching according to the alarm message. The link and service management method and system in the invention can implement complex link and service management requirements according to the real-time status of the link and the service, thereby improving the stability and efficiency of network transmission.

Description

technical field [0001] The present invention relates to the technical field of communications, in particular to a link and service management method and system. Background technique [0002] Automatically Switched Optical Network (ASON) can monitor the transmission of each channel in the system according to Optical Supervisory Chanel (OSC), among which, frame synchronization bytes, business bytes and overhead bytes used by network management etc. are transmitted through the optical supervisory channel. Taking Wavelength Switched Optical Network (Wavelength Switched Optical Network, WSON) as an example, figure 1 Shown is a WSON network including a plurality of network element nodes communicating with each other, and each network element node includes an optical conversion unit (Optical TransformUnit, OTU), an optical add-drop multiplexer (Optical Add-Drop Multiplexer, OADM) , a transmitting optical amplifier (Optical Amplifier, OA), a receiving optical amplifier PA (Pre-Amp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/077H04Q11/00
CPCH04B10/0773H04Q11/0062H04Q2011/0081H04Q2011/0083
Inventor 邓惩
Owner FENGHUO COMM SCI & TECH CO LTD
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