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Presentation
[Poster Presentation] A new method of proactive recovery mechanisms for large-scale network failures
Takuro Horie, Go Hasegawa (Osaka Univ.), Satoshi Kamei (NTT), Masayuki Murata (Osaka Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a novel recovery mechanism from large-scale network failures caused by earthquakes, terrorist attacks, large-scale power outages and software bugs.
Our method, which takes advantage of overlay networking technologies, pre-calculates multiple routing configurations to prevent possible simultaneous network failures and selects one configuration immediately after detecting the failures.
Through numerical calculation results using actual AS-level topology, we show that our proactive method improves network reachability from 87% to 98%, while keeping the path length sufficiently short, when up to 8% of the nodes in a network are down simultaneously.
In addition, we present ratio of traffic failure(s) case to traffic in failure-free case and discussion about it.
Keyword (in Japanese) (See Japanese page) 
(in English) Overlay network / routing / large-scale network failures / proactive failure recovery / / / /  
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Conference Information
Committee CQ  
Conference Date 2008-12-01 - 2008-12-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Gakuin University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) 6th QoS Workshop 'QoS Evaluation and Management Technologies for Services and Networks in the Broadband Era' 
Paper Information
Registration To CQ 
Conference Code 2008-12-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A new method of proactive recovery mechanisms for large-scale network failures 
Sub Title (in English)  
Keyword(1) Overlay network  
Keyword(2) routing  
Keyword(3) large-scale network failures  
Keyword(4) proactive failure recovery  
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1st Author's Name Takuro Horie  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Go Hasegawa  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Satoshi Kamei  
3rd Author's Affiliation NTT Service Integration Laboratories (NTT)
4th Author's Name Masayuki Murata  
4th Author's Affiliation Osaka University (Osaka Univ.)
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