H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 14/00 (2006.01) G02F 2/02 (2006.01) H04B 10/00 (2006.01) H04J 14/02 (2006.01) H04Q 11/00 (2006.01)
Patent
CA 2339902
A data format and control protocol for a communication system is presented which allows purely photonic connections between network edge components. The format uses time slot based TDM channels to allow all optical switching of the channels between different signal paths in the switch nodes, and time slot by time slot WDM to reduce the probability of blocked connections. The connection protocol uses conventional 'least cost' path calculation algorithms to identify target connection routing through the network, a path integrity process to ensure capacity, and link removal and recalculation in cases of blocked connections. The time slot and wavelength map can be represented as a two dimensional matrix. Availability calculations can be done using simple matrix logic operations. System operation with bands of optical wavelengths is discussed.
Don-Carolis Cedric
Mcilroy Peter
Don-Carolis Cedric
Mcilroy Peter
LandOfFree
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