Study on optimization of resource allocation in OBS networks

Jianxin Wang; Dawei Man; Yu Song

doi:10.1117/12.733945

10 September 2007 Study on optimization of resource allocation in OBS networks

Jianxin Wang, Dawei Man, Yu Song

Proceedings Volume 6774, Optical Transmission Systems and Equipment for Networking VI; 67740M (2007) https://doi.org/10.1117/12.733945
Event: Optics East, 2007, Boston, MA, United States

Abstract

Good resource allocation strategy is able to alleviate the resource contention. Deflection routing is one of contention resolution of good connectivity optical burst switching networks. But the offset time maybe not enough for reserve resource if deflection routing adopted. Too much deflection adopted will deteriorate the network performance, another issue is how to determine if a contending burst will be deflected or discarded. In this paper, little Fiber Delay Lines (FDL) is used to assure the offset time will be compensated in time, and an optimum scheme is proposed from three aspects as if the network situation permits deflection, if contending burst is worthy to be hold continuously and the impaction of alternative route on deflection. Numerical results show that our optimized deflection scheme can achieve not only preferred deflection, but also to keep wavelength link from overloading. It balances the network load and stabilizes the network performance some degree.

Citation Download Citation

Jianxin Wang, Dawei Man, and Yu Song "Study on optimization of resource allocation in OBS networks", Proc. SPIE 6774, Optical Transmission Systems and Equipment for Networking VI, 67740M (10 September 2007); https://doi.org/10.1117/12.733945

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