Connection provisioning with QoS guarantees in DiffServ/MPLS over optical networks

Yong Ouyang; Qingzi Zeng; Ming Jiang

doi:10.1117/12.571164

8 February 2005 Connection provisioning with QoS guarantees in DiffServ/MPLS over optical networks

Yong Ouyang, Qingzi Zeng, Ming Jiang

Proceedings Volume 5626, Network Architectures, Management, and Applications II; (2005) https://doi.org/10.1117/12.571164
Event: Asia-Pacific Optical Communications, 2004, Beijing, China

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.

Citation Download Citation

Yong Ouyang, Qingzi Zeng, and Ming Jiang "Connection provisioning with QoS guarantees in DiffServ/MPLS over optical networks", Proc. SPIE 5626, Network Architectures, Management, and Applications II, (8 February 2005); https://doi.org/10.1117/12.571164

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