A disjoint path selection scheme with shared risk link group constraints in GMPLS networks

被引：0

作者：

Oki, E ^{[1
]}

Matsuura, N

Shiomoto, K

Yamanaka, N

机构：

[1] NTT Corp, Network Innovat Labs, Musashino, Tokyo 1808585, Japan

[2] NTT Corp, Network Serv Syst Labs, Musashino, Tokyo 1808585, Japan

来源：

IEICE TRANSACTIONS ON COMMUNICATIONS | 2003年 / E86B卷 / 08期

关键词：

GMPLS; SRLG; disjoint path; path selection algorithm;

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：

This paper proposes a disjoint path selection scheme for Generalized Multi-Protocol Label Switching (GM-PLS) networks with Shared Risk Link Group (SRLG) constraints. It is called the weighted-SRLG (WSRLG) scheme. It treats the total number of SRLG, members related to a link as part of the link cost when the k-shortest path algorithm is executed. In WSRLG, a link that has many SRLG members is rarely selected as the shortest path. Simulation results show that WSRLG finds more disjoint paths than the conventional k-shortest path algorithm. In addition, since WSRLG searches for the weight of the SRLG factor by using a modified binary search algorithm while satisfying the required number of disjoint paths between source and destination nodes, it can find cost-effective disjoint paths.

引用

页码：2455 / 2462

页数：8

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