Method and system for managing resource state in automatic exchange optical network

A resource state and automatic exchange technology, applied in the direction of data exchange network, transmission system, digital transmission system, etc., can solve the problems of resource management confusion, network resource waste, resource state information inconsistency, etc., to increase intelligence and immediacy Effect

Inactive Publication Date: 2008-12-17
ZTE CORP
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Problems solved by technology

There are many reasons for resource state information inconsistency. For example, incomplete connection deletion operations will lead to resource state information inconsistency i

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  • Method and system for managing resource state in automatic exchange optical network
  • Method and system for managing resource state in automatic exchange optical network
  • Method and system for managing resource state in automatic exchange optical network

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[0022] The present invention will be further described in detail below in conjunction with specific embodiments and accompanying drawings.

[0023] The invention provides a method for realizing resource state management in an automatic switching optical network, through which inconsistent resource state information is detected and cleared in the automatic switching optical network, and the problem of inconsistent resource states in the ASON network is solved. Especially when creating, deleting and migrating services, it detects incomplete establishment, deletion and migration and automatically clears inconsistencies in the state information of these resources.

[0024] In this embodiment, it is assumed that the precondition is: there are two nodes with the same internal structure in the ASON network: the local node and the peer node, and the resource states between them are inconsistent, including inconsistent use of time slots or Inconsistent time slot management authority, t...

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Abstract

The invention discloses a method and a system of implementing resource state management in an automatic switching optical network, wherein, the method comprises the following steps: S1, the local end node sends resource state detection request about a connecting label to the opposite end node; S2, the local end node receives the resource state detection information about a connecting label fed back by the opposite end node; S3, if the resource state detection information is not consistent with the resource state information recorded by the local end node, the connecting label is deleted or migrated. Compared with the prior art, the method of the invention increases a step of comparing the resource state detection information of the opposite end node with the resource state information of the local end node, if the comparison result is not consistent, the connecting label is deleted or migrated; the method increases a function of eliminating disaccord as well as intelligence of the automatic switching optical network, so that the detection has more instantaneity.

Description

technical field [0001] The invention relates to the field of automatic switching optical network, in particular to a method and system for realizing resource state management in automatic switching optical network. Background technique [0002] The concept of Automatic Switch Optical Network (ASON) was formally proposed in 2001; the basic feature is to introduce a relatively independent control plane in the traditional optical transport network to realize the on-demand allocation of network resources , so as to realize the intelligence of the optical network, including routing and signaling processing, signaling, connection control, protection and recovery, etc. The traditional optical transport network only has the transmission plane and the management plane. According to the ITU-TG.8080 recommendation, the distributed intelligent control plane included in the automatic switching optical network combines the transmission, switching and data networks together, realizing the ...

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Application Information

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IPC IPC(8): H04Q11/00H04B10/08H04L12/24H04L12/911
Inventor 骆震江
Owner ZTE CORP
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