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Proceedings Paper

Connection provisioning with QoS guarantees in DiffServ/MPLS over optical networks
Author(s): Yong Ouyang; Qingzi Zeng; Ming Jiang
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Paper Abstract

In this paper, the problem of connection provisioning with QoS guarantees is studied in DiffServ/MPLS over optical networks. In most previous studies, the objective is to provide bandwidth guaranteed LSPs, without considering service differentiation. In practice, to guarantee QoS for some class of services in a DiffServ scenario, other constraints besides bandwidth should be enforced on the LSP and the network. We discuss these constraints and take them into account in the routing procedure. The simulation results show that QoS is guaranteed at the cost of higher bandwidth blocking probability, and an appropriate preemption mechanism is indispensable in the DiffServ/MPLS over optical networks.

Paper Details

Date Published: 8 February 2005
PDF: 6 pages
Proc. SPIE 5626, Network Architectures, Management, and Applications II, (8 February 2005); doi: 10.1117/12.571164
Show Author Affiliations
Yong Ouyang, Shanghai Jiaotong Univ. (China)
Qingzi Zeng, Shanghai Jiaotong Univ. (China)
Ming Jiang, Shanghai Jiaotong Univ. (China)

Published in SPIE Proceedings Vol. 5626:
Network Architectures, Management, and Applications II
S. J. Ben Yoo; Gee-Kung Chang; Guangcheng Li; Kwok-wai Cheung, Editor(s)

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