Routing algorithms in WDM networks under mixed static and dynamic lambda-traffic

作     者：Maier, G Pattavina, A Barbato, L Cecini, F Martinelli, M 

作者机构：CoreCom I-20133 Milan Italy Politecn Milan Dept Elect & Informat I-20133 Milan Italy Fastweb SpA I-20158 Milan Italy H3G SpA I-20090 Trezzano Naviglio Mi Italy CoreCom I-20131 Milan Italy 

出 版 物：《PHOTONIC NETWORK COMMUNICATIONS》 (Photonic Netw. Commun.)

年 卷 期：2004年第8卷第1期

页      面：69-87页

核心收录：

学科分类：0810[工学-信息与通信工程] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 0812[工学-计算机科学与技术（可授工学、理学学位）] 0702[理学-物理学] 

基　　金：Ministero dell’Istruzione  dell’Università e della Ricerca  MIUR 

主　　题：wavelength division multiplexing dynamic traffic routing algorithms 

摘      要：Dynamic traffic is becoming important in WDM networks. In the transition towards full dynamic traffic, WDM networks optimized for a specific set of static connections will most likely also be used to support on-demand lightpath provisioning. Our paper investigates the issue of routing of dynamic connections in WDM networks which are also loaded with high-priority protected static connections. By discrete-event simulation we compare various routing strategies in terms of blocking probability and we propose a new heuristic algorithm based on an occupancy cost function which takes several possible causes of blocking into account. The behavior of this algorithm is tested in well-known case-study mesh networks, with and without wavelength conversion. Moreover, Poissonian and non-Poissonian dynamic traffics are considered.