Method and apparatus for establishing and restoring label exchange path in automatic-exchange optical network

A label switching path and automatic switching technology, applied in the field of optical network communication, can solve the problems of recovery failure, LSP establishment failure, disadvantageous separate management, etc., to achieve the effect of improving efficiency, simplifying operation, and strengthening flexibility

Inactive Publication Date: 2007-09-05
HUAWEI TECH CO LTD
View PDF0 Cites 43 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of LSP establishment, since multiple services need to be configured as one LSP, if the accumulated bandwidth of multiple services cannot be found, the LSP establishment will fail
Since multiple services are bound into one LSP, it i

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method and apparatus for establishing and restoring label exchange path in automatic-exchange optical network
  • Method and apparatus for establishing and restoring label exchange path in automatic-exchange optical network
  • Method and apparatus for establishing and restoring label exchange path in automatic-exchange optical network

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

Embodiment 2

Embodiment 3

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention is used for helping multi SPC services with same source and same destination to rapidly establish label-switching path, and at the same time, ensuring the label-switching establishment of said SPC services not to be failure due to insufficient resources, and to rapidly recover from the failure. The method comprises: according to the request, calculating at least one group of route passing through same nodes, and along with said group of routes, establishing one group of label-switching path once. The apparatus thereof comprises a calculation requesting module, a path calculating module and a path establishing module.

Description

technical field The invention relates to the field of optical network communication, in particular to a method and device for establishing and restoring a label switching path in an automatic switching optical network. Background technique Compared with the traditional optical transport network, the main difference of ASON (Automatic Switched Optical Network, Automatically Switched Optical Network) is to introduce the control plane on the optical transport plane, and evolve the management system of the traditional optical transport network into a management system based on the management plane and control plane. and a new multi-layer management structure for the transport plane. The control plane is one of the most important features of ASON. It uses the GMPLS protocol to establish services through SC (Switched Connection, switched connection) and SPC (Soft Permanent Connection, soft permanent connection). Through the control plane function, end-to-end or partial paths can...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H04L12/56H04L29/06H04L12/24H04Q11/00H04L45/24
Inventor 章发太虞红芳
Owner HUAWEI TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap