NDLI: Design of self-healing algorithm for ATM networks

Content Provider	IEEE Xplore Digital Library
Author	Wei-Bin Gao Shi-Chung Chang Chi-Tseng Chang
Copyright Year	1998
Description	Author affiliation: Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan (Wei-Bin Gao)
Abstract	Automatic and rapid network service restoration (self-healing) when failures occur is of increasing importance for network operations and management as network speed and bandwidth increase. In this paper, we study the self-healing problem of an ATM network at the virtual path (VP) configuration level. We analyze the design issues of self-healing algorithms, and develop a state transition and bandwidth division model of individual VPs and links. On top of the model, we design a restoration algorithm that searches and activates alternate VPs for the failed VPs by combining a preplan method and a double search method. The preplan method activates preassigned backup VPs dynamically, while the double search method searches for alternate VPs from both the source and destination nodes of failed VPs. The double search method is also applied to reconstruction of the backup VP plan. Simulations demonstrate that our new algorithms outperform existing preplanned and dynamic self-healing algorithms in both restoration time and restoration ratio.
Starting Page	2
Ending Page	7
File Size	667538
Page Count	6
File Format	PDF
ISBN	0818672250
DOI	10.1109/ICOIN.1998.648343
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-01-21
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Image restoration Search methods Asynchronous transfer mode Bandwidth Signal restoration Quality of service Engineering management Image reconstruction Heuristic algorithms
Content Type	Text
Resource Type	Article

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