Abstract: Increasing number of bandwidth intensive applications demand introduction of concurrency among multiple user transmissions, using techniques such as time division multiplexing (TDM) or wavelength division multiplexing (WDM), to achieve higher aggregate bandwidth. Commercial exploitation of WDM networks, despite their immense potential and promise, find extreme reluctance due to their vulnerability to the wavelength instability of the transmitter sources, and budgetary concerns raised by the inordinate cost of stabilizing them. Robust WDM network uses an intelligent multichannel wavelength tracking receiver that is capable of dynamically accommodating the manufacturing and operating imperfections of the transmitter sources. This yields robust WDM to be a lucrative option for cost sensitive computer networking markets. In this paper we present token-based medium access control protocol and network node architecture designed for the demonstration testbed of robust WDM network. Behavior of average waiting time for a typical connection request on the network is presented using computer simulation. !10
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