A new dynamic routing scheme in optical networks

被引：0
|
作者：
Chen, Changyong [1 ]
Guo, Wei [1 ]
Hu, Weisheng [1 ]
Jin, Yaohui [1 ]
Sun, Weiqiang [1 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Fiber Opt Local Area Networks & Adv, Shanghai 200240, Peoples R China
来源：
NETWORK ARCHITECTURES, MANAGEMENT, AND APPLICATIONS IV | 2006年 / 6354卷
关键词：
optical networks; adaptive routing; lightpath; rollout technique; simulated annealing; blocking probability;
D O I：
10.1117/12.688694
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A good dynamic routing scheme is very important to improve the provisioning efficiency of wavelength-routed optical networks. The existing dynamic routing algorithms are usually based on first-come-first-serve (FCFS) scheme to process the lightpath requests one by one. However, multiple lightpath requests may arrive simultaneously and burstly in data-intensive applications, and can not be treated efficiently by using the FCFS scheme. We will propose a new online dynamic routing scheme to process the lightpath requests in batch instead of one by one, which is termed batch-come-batch-serve (BCBS) scheme. A mathematic model and several adaptive routing algorithms are proposed and investigated comparatively. The simulation results suggest that the proposed scheme achieves better network blocking performances.
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页数：9
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