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Intelligent optical network and network capacity planning method resisting at least two link interruptions

An intelligent optical network and link interruption technology, applied in the field of intelligent optical network, can solve the problems of large planned capacity and high network cost, and achieve the effect of reducing network cost, overcoming large network capacity, and optimizing network capacity value.

Active Publication Date: 2010-06-23
JIANQIAO COMM TECH SHENZHEN
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Problems solved by technology

[0014] The technical problem to be solved by the present invention is to provide a minimum network that can resist at least two link interruptions in an intelligent optical network in view of the defects of large planning capacity and high network cost in the above-mentioned ASON capacity planning method of the prior art. Capacity-Based Network Capacity Planning Method

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  • Intelligent optical network and network capacity planning method resisting at least two link interruptions
  • Intelligent optical network and network capacity planning method resisting at least two link interruptions
  • Intelligent optical network and network capacity planning method resisting at least two link interruptions

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Embodiment Construction

[0037] The present invention provides an intelligent optical network with minimum network capacity against at least two link interruptions and a planning method for the minimum network capacity of the network. During the network interruption link simulation process, the link capacity is adjusted and approached to make full use of The intelligent optical network restores the characteristic of capacity sharing, so as to obtain the optimal (minimum) network capacity, so as to overcome the defects of large network capacity, high cost and long time-consuming planned by the prior art method.

[0038] For the convenience of presentation, the following content is based on the most common network capacity planning against two link interruptions. The capacity planning method for anti-multiple link interruptions is the same as that for anti-two link interruptions.

[0039] The intelligent optical network of the present invention can realize service recovery after two link interruptions, a...

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Abstract

The invention relates to an intelligent optical network and a capacity planning method, which can withstand at least twice link discontinuities of the intelligent optical network. The method comprises the following steps that: A1: whether the network supports the protection of any link discontinuities twice at least is detected and judged, if yes, then step A2 is performed; A2: the bandwidth of alink of the network is decreased progressively and random link discontinuities of the link twice at least are simulated; if the simulation is passed, step A3 is to be carried out, the decreased bandwidth of the link is saved and step A2 is to be carried out on other links, and step A4 is to be carried out if otherwise; A4: the bandwidth of the decreased link is restored and the restored bandwidthis marked as the minimum bandwidth, then step A5 is to be carried out; A5: whether all links are marked with the minimum bandwidths is judged. The best (minimum) network capacity is achieved by decreasing progressively the bandwidth of a link and utilizing fully the restoration capacity-sharing features of the intelligent optical network in the link discontinuity simulation process. The method can help achieve optimized network capacity and reduce network cost.

Description

technical field [0001] The present invention relates to an intelligent optical network (also known as Automatic Switched Optical Network, ASON for short), and more specifically, to an intelligent optical network and a method for planning its minimum network capacity against at least two link interruptions . Background technique [0002] The intelligent optical network is a new generation of optical transport network that adopts the GMPLS (General Multiprotocol Label Switching) protocol control plane and introduces dynamic switching and intelligent control. It is the development goal of the next generation optical network. Many equipment manufacturers have developed a lot of standard-based ASON equipment. How to apply ASON equipment to the current optical network so that it can play the greatest role has always been a hot issue that equipment manufacturers and operators pay attention to. Therefore, planning for ASON networks It has also become the focus of equipment manufact...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/28H04L12/56H04B10/00
Inventor 蔡晟
Owner JIANQIAO COMM TECH SHENZHEN
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