Research on fault-recovery model and scheme in dual-system redundancy router

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In order to improve the availability of routers,systematically presented possible implementation approaches on high-availability routers and classified them into three catalogs: protocol extension,state synchronization and data dupli-cation.It modeled and analyzed these fault-recovery schemes in con...

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Bibliographic Details
Published in:Tongxin xuebao
Main Authors: JI Meng1, YU Shao-hua2, ZHAN Yi-chun1
Format: Article
Language:Chinese
Published: Editorial Department of Journal on Communications 2006-01-01
Subjects:
high availability;fault-recovery;continuous time Markov chain;adaptive
Online Access:http://www.joconline.com.cn/thesisDetails?columnId=74662735&Fpath=home&index=0
Description
Summary:In order to improve the availability of routers,systematically presented possible implementation approaches on high-availability routers and classified them into three catalogs: protocol extension,state synchronization and data dupli-cation.It modeled and analyzed these fault-recovery schemes in continuous-time Markov chains（CTMC）.Based on theo-retical results,it proposed a novel adaptive fault-recovery method（AFM） to dynamically select protection and restoration methods.It is illustrated that AFM could effectively improve the availability and is scalable.It has been implemented on a 128Gbit/s high-performance router.
ISSN:1000-436X

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