Guaranteed Reliability in Shared Protection IP-over-WDM Networks

被引：0

作者：

Barckhahn, Sven ^{[1
]}

Beghelli, Alejandra ^{[1
,2
]}

机构：

[1] Univ Tecn Federico Santa Maria, Elect Engn Dept, Valparaiso, Chile

[2] UCL, Elect & Elect Engn Dept, Opt Networks Grp, London, England

来源：

PROCEEDINGS OF THE 2011 16TH EUROPEAN CONFERENCE ON NETWORKS AND OPTICAL COMMUNICATIONS (NOC 2011) | 2011年

关键词：

guaranteed reliability; IP-over-WDM networks; shared protection; MESH NETWORKS;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Reliability is a performance metric typically defined in a Service Level Agreement. In an IP-over-WDM network, a guaranteed level of reliability per IP link by means of dedicated protection mechanism with a variable number of lightpaths has been recently proposed. However, it is well known that dedicated protection requires more resources than shared protection. Thus, we propose a new method to determine which backup lightpaths can be shared without violating the reliability requirements. Results show that the method is effective in sharing resources of backup lightpaths whilst guaranteeing the reliability requirements: resource savings of up to 21% were observed in the cases studied.

引用

页码：192 / 195

页数：4

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