Multicast traffic grooming in WDM networks

被引：16
|
作者：
Kamal, AE [1 ]
Ul-Mustafa, R [1 ]
机构：
[1] Iowa State Univ, Dept Elect & Comp Engn, Ames, IA 50011 USA
来源：
OPTICOMM 2003: OPTICAL NETWORKING AND COMMUNICATIONS | 2003年 / 5285卷
关键词：
WDM networks; traffic grooming; ADMs; mesh topology; nonuniform traffic; multicast traffic; optimization; Integer Linear Programming (ILP); heuristics;
D O I：
10.1117/12.533163
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper considers the problem of grooming multicast traffic in WDM networks, with arbitrary mesh topologies. The problem is different from grooming of unicast traffic, since traffic can be delivered to destinations through other destinations in the same set, or through branching points. The paper presents an optimal Integer Linear Programming (ILP) formulation in order to minimize the cost of the network in terms of the number of SONET Add/Drop Multiplexers (ADM). The formulation also minimizes the number of wavelength channels used in the network, and does not allow bifurcation of traffic. Since the ILP formulation is able to solve limited size problems, the paper also introduces a heuristic approach to solve the problem.
引用
收藏
页码：25 / 36
页数：12
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