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An Algorithm for Design of a Multiple Ring Network Using ROADM in WDM Mesh Networks  

Kim, Eal-Lae (고려대학교 전자컴퓨터공학과 차세대 네트워크 연구실)
Lee, Sung-Kuen (고려대학교 전자컴퓨터공학과 차세대 네트워크 연구실)
Lim, Tae-Hyung (고려대학교 전자컴퓨터공학과 차세대 네트워크 연구실)
Lee, Myung-Moon (수원과학대학 정보통신과)
Park, Jin-Woo (고려대학교 전자컴퓨터공학과 차세대 네트워크 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.32, no.11B, 2007 , pp. 663-672 More about this Journal
Abstract
This paper proposes an algorithm for design of a multiple ring network that can be applied to an arbitrary topology in the WDM optical transport networks. Especially, we suggest an integer linear program(ILP) formulation with the objective of minimizing the total cost of nodes based on the reconfigurable OADM(ROADM) architecture and propose a heuristic algorithm to reduce computational complexity of the exact problem formulation. To evaluate the performance and validity of this scheme, we applied it to an NSFnet topology assuming the dynamic or static traffic condition and compared it with a mesh methodology about capacity of connection requests and the total cost of the nodes.
Keywords
Multiple ring; ROADM; WDM mesh networks; ILP Formulation; Heuristic algorithm;
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