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Method for accomplishing resource regulation in phototiming digital transmission network

An optical synchronous digital and transmission network technology, applied in digital transmission systems, data exchange networks, transmission systems, etc., can solve problems such as VC4 resource overflow, occupying too many VC4 resources, and difficult adjustment of binding services, so as to improve optimization efficiency , the effect of reducing occupancy

Inactive Publication Date: 2008-12-03
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the subsequent low-level resource allocation is directly carried out, because the adjustment of this part of the bound business is difficult, it may occupy too many VC4 resources, and even cause VC4 resource overflow

Method used

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  • Method for accomplishing resource regulation in phototiming digital transmission network
  • Method for accomplishing resource regulation in phototiming digital transmission network
  • Method for accomplishing resource regulation in phototiming digital transmission network

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0025] In an SDH transport network, all services between any two nodes are called a service unit. Usually, a service unit takes VC12 as a unit. Then, the number of VC12 occupied by each service unit is called the size of a service unit.

[0026] Generally, a subnet can be regarded as a container, and the container can be called a subnet container. The subnet container is layered, and each layer has a VC4 number, corresponding to a VC4 resource of the physical subnet, and the layer of the subnet container The number is defined as the height of the subnet container. During the adjustment process, the height of the subnet container is arbitrary. see figure 1 as shown, figure 1 Represents a subnet container 10 with a height of 3. The subnet container 10 is divided into three layers with VC4 as the unit, and each layer is numbered VC4-1 to VC4-3, ...

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Abstract

The method includes the following steps: a) a group of service mapping block in bound up relationship is loaded into a VC4 box; b) each two VC4 boxes is compared one by one after all services are placed into VC4 boxes to determine whether two VC4 boxes compared currently are satisfied with combination requirement or not and a new VC4 box is formed if it is to load all services in two VC4 boxes compared currently into the new VC4 box or other wise to go to step C); c) whether all VC4 box combinations are checked or is not judged and to end the process flow if it is, otherwise to return back to step b).

Description

technical field [0001] The invention relates to a network multi-service optimization technology, in particular to a method for realizing network resource adjustment in an optical synchronous digital (SDH) transmission network. Background technique [0002] For an operating transmission network, how to fully and effectively utilize network resources to accommodate more services, that is, how to optimize multiple services, is one of the key issues to improve network efficiency and capacity. Specific to optical synchronous digital (SDH) transmission network, the service optimization problem in SDH network can be qualitatively described as: in the case of known physical network and traffic matrix, how to allocate resources reasonably to achieve the total amount of occupied network resources The four optimization objectives are minimum, network load balancing, enabling the remaining resources in the network to meet more business growth in the future, and using the least low-order...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/28H04Q3/00H04Q3/545
Inventor 敖奇刘亮
Owner HUAWEI TECH CO LTD