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Deterministic QoS Provisioning with Network Calculus Based Admission Control in WDM EPON Networks

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3 Author(s)
Daojun Xue ; Nanyang Technol. Univ., Singapore, Singapore ; Yang Qin ; Chee Kheong Siew

Passive optical network (PON) is viewed by many as an attractive solution to the first mile problem. With the rapidly increasing number of users and bandwidth intensive applications, upgrading current PON architecture with the wavelength division multiplexing (WDM) technology has become a natural choice. Multiple WDM PON architectures have been proposed, yet to the best of our knowledge none could support deterministic quality of service (QoS) so far. In this paper we propose a two-level WDM EPON solution which provides two main functions: efficient network scaling with bandwidth sharing at the wavelength level, and deterministic QoS provisioning at the EPON level. To guarantee deterministic QoS for multiple classes, an efficient admission control scheme based on network calculus has been developed in conjunction with the scheduling discipline. We evaluate the performance of our scheme by means of extensive simulations, and show that it could not only provide deterministic QoS to bursty traffic but also achieve high utilization of resources.

Published in:

Communications, 2009. ICC '09. IEEE International Conference on

Date of Conference:

14-18 June 2009