Adaptive scheduling for integrated traffic on WDM optical networks

Authors:
Maode Ma;Xiaohong Huang
Affiliations:
School of Electrical and Electronic Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore;School of Electrical and Electronic Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore
Venue:
Computer Networks: The International Journal of Computer and Telecommunications Networking
Year:
2004

Citing 4
Cited 1

Analysis and optimization of transmission schedules for single-hop WDM networks

IEEE/ACM Transactions on Networking (TON)
Scheduling variable-length messages in a single-hop multichannel local lightwave network

IEEE/ACM Transactions on Networking (TON)
Optimal Deadline Assignment for Scheduling Soft Aperiodic Tasks in Hard Real-Time Environments

IEEE Transactions on Computers
Impact of tuning delay on the performance of bandwidth-limited optical broadcast networks with uniform traffic

IEEE Journal on Selected Areas in Communications

A heuristic adaptive QoS prediction scheme in single-hop passive star coupled WDM optical networks

Journal of Network and Computer Applications

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Abstract

One of the important issues in the design of future generation of high-speed networks is to provide differentiated service to different types of traffic with various time constraints. In this paper, we study the problem of providing real-time service to either hard or soft real-time messages and normal transmission service to variable-length messages without time constraints in WDM optical networks. We propose an adaptive scheduling algorithm for scheduling message transmissions in order to improve the network performance when both real-time and non real-time messages are transmitted in one topology. We have analyzed the complexity of the algorithm to show its feasibility. We have conducted extensive discrete-event simulations to evaluate the performance of the proposed algorithm. The study suggests that when scheduling message transmission in WDM networks differentiated services should be considered in order to meet time constraints of real-time messages while non real-time messages are being served so that the overall performance of the network could be improved.