Presentation	2008-07-18 Efficient Increase of Link Facilities for Improvement of Reliability Noriaki KAMIYAMA,
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Abstract(in English)	At the time of link or node failure, flows are detoured around the failed portion, so the hop count of flows and the link load possibly change widely as a result of failure. As the real-time traffic such as video or voice increases in the Internet, ISPs are required to provide stable quality as well as connectivity in the case of failures. For ISPs, how to effectively improve reliability with minimum investment cost is an important issue, and they need to focus on a limited number of locations to add link facilities. In this paper, we propose efficient design methods of additional link facilities and evaluate their availability using actual backbone networks of 36 commercial ISPs.
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Keyword(in English)	ISP backbone / reliability / stability / increase of facilities
Paper #	IN2008-35
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Conference Information
Committee	IN
Conference Date	2008/7/10(1days)
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Paper Information
Registration To	Information Networks (IN)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	Efficient Increase of Link Facilities for Improvement of Reliability
Sub Title (in English)
Keyword(1)	ISP backbone
Keyword(2)	reliability
Keyword(3)	stability
Keyword(4)	increase of facilities
1st Author's Name	Noriaki KAMIYAMA
1st Author's Affiliation	NTT Service Integration Laboratories, NTT Corporation()
Date	2008-07-18
Paper #	IN2008-35
Volume (vol)	vol.108
Number (no)	136
Page	pp.pp.-
#Pages	6
Date of Issue