Capacity fairness of WDM networks with grooming capabilities

Sashisekaran Thiagarajan; Arun K. Somani

doi:10.1117/12.401818

22 September 2000 Capacity fairness of WDM networks with grooming capabilities

Sashisekaran Thiagarajan, Arun K. Somani

Proceedings Volume 4233, OptiComm 2000: Optical Networking and Communications; (2000) https://doi.org/10.1117/12.401818
Event: Opticomm 2000, 2000, Richardson, TX, United States

Abstract

This paper addresses the issue of capacity fairness in WDM networks with traffic grooming capabilities, supporting lower- rate circuit-switched traffic streams. Traffic grooming in WDM networks, is defined as the act of multiplexing, demultiplexing and switching lower rate traffic streams onto higher capacity lightpaths. In such a network, in addition to add/drop and full wavelength switching features, some or all of the network nodes can be provided with the capability to switch lower-rate traffic streams from one wavelength on an input port to another wavelength on an output port. Call requests arrive randomly and can request a lower-rate traffic connection to be established between the node pair. The call requests that ask for capacity nearer to the full wavelength capacity are bound to experience higher blocking than those that ask for a smaller fraction. This difference in loss performance is more pronounced as the traffic switching capability of the network is increased. In this paper, we study the capacity fairness of existing dynamic wavelength assignment algorithms.

Citation Download Citation

Sashisekaran Thiagarajan and Arun K. Somani "Capacity fairness of WDM networks with grooming capabilities", Proc. SPIE 4233, OptiComm 2000: Optical Networking and Communications, (22 September 2000); https://doi.org/10.1117/12.401818

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