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Method, node and system for bearing service

A technology for carrying services and services, applied in the field of communications, and can solve problems such as the inability to achieve resource utilization

Inactive Publication Date: 2010-01-06
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the process of realizing the present invention, the inventors found that the prior art has at least the following problems: the lower layer is only driven to adjust resources when the upper layer resources are not enough, and the highest resource utilization rate cannot be achieved

Method used

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  • Method, node and system for bearing service
  • Method, node and system for bearing service
  • Method, node and system for bearing service

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Embodiment Construction

[0033] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0034] Such as figure 1 As shown, it is a flow chart of a method for bearing services provided by an embodiment of the present invention, and the method includes:

[0035] After receiving the upper-layer business request, calculate the path that the requested upper-layer business needs to go through;

[0036] According to the network resource topology, it is judged whether the bandwidth occupied by the business that needs to be carried by the path segment above and below the path without other services is greater than a set threshold value and less than or equal to the bandwidth that can be carried by one wavelength;

[0037] If yes, use the direct optical path to carry the upper-layer service on the path segment without other service...

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Abstract

The embodiment of the invention discloses a method, a node and a system for bearing a service. The method comprises the following steps: receiving a superior service request and calculating the needed route path of a requested superior service; judging whether the bandwidth occupied by a service that a route path segment in which no other service is transmitted up and down of the route path needs to bear is greater than a preset threshold but smaller than or equal to a bandwidth that a wavelength can bear; and if so, using a direct optical path to bear the superior service in the route path segment in which no other service is transmitted up and down of the route path to dynamically adjust a multilayer network in real time, reduce photoelectric conversion amount, improve the utilization rate of network resources and reduce operation cost.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method, node and system for bearing services. Background technique [0002] The current network is generally composed of multiple layers. These levels are implemented by different technologies (such as PSC (packet switch capability, packet switching level), TDM (Time Division Multiplexing, time division multiplexing level), or LSC (Lambda Switch Capable, wavelength switching level), etc., each level of switching The granularity is different. In such a multi-layer network, it is cheaper to exchange and transmit the same traffic at a large granularity level than at a smaller granularity level. The cost of end-to-end WDM link transmission is much lower than that of pure IP forwarding. [0003] Therefore, it is particularly important to comprehensively consider the resources of the entire network to achieve the goal of maximizing network resource utilization and reducing costs, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04Q11/00H04L12/911
Inventor 徐慧颖符邦秋
Owner HUAWEI TECH CO LTD
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