Routing scalability in multi-domain DWDM networks

被引：0
|
作者：
Qing Liu
Chongyang Xie
Tannous Frangieh
Nasir Ghani
Ashwin Gumaste
Nageswara S. V. Rao
机构：
[1] University of New Mexico,ECE Department
[2] IIT Bombay,undefined
[3] Oak Ridge National Laboratory,undefined
来源：
Photonic Network Communications | 2009年 / 17卷
关键词：
Multi-domain networks; Optical networks; GMPLS; Inter-domain DWDM routing; Topology abstraction; Full wavelength conversion;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper studies routing scalability in multi-domain DWDM networks. Although inter-domain provisioning has been well studied for packet/cell-switching networks, the wavelength dimension (along with wavelength conversion) poses many challenges in multi-domain DWDM settings. To address these concerns a detailed GMPLS-based hierarchical routing framework is proposed for multi-domain DWDM networks with wavelength conversion. This solution uses mesh topology abstraction schemes to hide domain-internal state. However related inter-domain routing loads can be significant here, growing by the square of the number of border nodes. To address these scalability limitations, improved inter-domain routing update strategies are also proposed and the associated performance of inter-domain lightpath RWA and signaling schemes studied.
引用
收藏
页码：63 / 74
页数：11
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