Design and performance analysis of preallocation protocols for WDM photonic networks

Krishna M. Sivalingam; Kalyani Bogineni; Patrick W. Dowd

doi:10.1117/12.141074

9 February 1993 Design and performance analysis of preallocation protocols for WDM photonic networks

Krishna M. Sivalingam, Kalyani Bogineni, Patrick W. Dowd

Proceedings Volume 1784, High-Speed Fiber Networks and Channels II; (1993) https://doi.org/10.1117/12.141074
Event: Fibers '92, 1992, Boston, MA, United States

Abstract

Wavelength Division Multiplexing (WDM) enables partitioning the enormous bandwidth of photonic networks into multiple smaller, more manageable, multiple access channels. These channels operate at a data rate which matches the electronic interface speed, viz. Gbps. Media access protocols for an optically interconnected star-coupled WDM network with no control channel are introduced and compared. The channels are preallocated to nodes where each node has a home channel that it uses for all data reception. If the number of nodes exceeds the number of channels, home channels are shared among nodes. This approach does not require both tunable transmitters and tunable receivers reducing system complexity and is not limited by the number of channels available. A generalized random access protocol and an interleaved time division multiplexed protocol are compared. Both protocols require a fast tunable transmitter and a slow (or fixed) tunable receiver per node. Each node has a set of queues of variable capacity -- one per data channel. The switching time of tunable transmitters has a significant impact on system performance and techniques are developed to reduce the impact. Detailed discrete-event simulation results are used to evaluate system performance in terms of network throughput and average packet delay with variation in the number of nodes and channels and transmitter switching latency.

Citation Download Citation

Krishna M. Sivalingam, Kalyani Bogineni, and Patrick W. Dowd "Design and performance analysis of preallocation protocols for WDM photonic networks", Proc. SPIE 1784, High-Speed Fiber Networks and Channels II, (9 February 1993); https://doi.org/10.1117/12.141074

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