Optical packet switching with multiple path routing |
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Affiliation: | 1. Research Center of Cyber Intelligence and Information Security, “La Sapienza” University of Rome, Italy;2. Cyber Security Research Group, University of Southampton, United Kingdom |
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Abstract: | The performance of packet-switching wavelength routed optical networks critically depends on packet contentions at the intermediate routers. This paper shows through simulations that deflection routing is an effective technique for packet-switching wavelength routed optical networks with irregular meshed topologies. It is shown that multiple path routing (MPR) as the deflection rule mitigates the blocking of packets substantially in cross-connected all-optical networks leading to a significant reduction in hardware volume and cost of all-optical IP routers. The effectiveness of the blocking reduction critically depends on the network topology, and meshed topologies with a high number of interconnections benefit of the largest gain from deflection routing. |
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