Dynamic Hybrid Optical Network Routing based on Transport Cost

H. Huang (USA)


Optical networks, wavelength routing, hybrid switching.


Switching in the optical domain has the benefit of bypassing expensive high-speed electronic processing, while switching in the electronic domain can provide diverse switching granularity and facilitate multiplexing gain through resource sharing. In this paper we propose a dynamic hybrid wavelength and subwavelength routing scheme that can preserve the benefits of optical bypass for large traffic flows at the same time provide multiplexing gain for small traffic flows. We compare the dynamic scheme with the static optimization of hybrid routing. Our results indicate that the proposed dynamic hybrid routing heuristic tracks the static optimization remarkably well.

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