Network model PA e Independent poisson process of arriva Holding times Independently, exponent 17 distributed with unit mean Full wavelength conversion MA G The offered load to each GA source-destination(SD) is identical S ource WA CAl CAl CA2 TX GA Destination MD MA CD NY MA Source MD IL MA CD NY MA DestinationWA CAI CAl CA2 TX GANetwork model 7 Source WA CA1 CA1 CA2 TX GA Destination MD IL MA CD NY MA Source MD IL MA CD NY MA Destination WA CA1 CA1 CA2 TX GA  Independent Poisson process of arrivals  Holding times - independently, exponentially distributed with unit mean  Full wavelength conversion  The offered load to each source-destination (SD) pair is identical