数据中心间光互联网络中的跨层动态保护策略

doi:10.3969/j.issn.1001-2400.2018.03.024

Abstract

Abstract:

In order to guarantee the reliability of the services and improve the resource utilization ratio of optical networks, the reliability-aware cross-layer protection strategy is proposed in optical inter-datacenter networks. In the architecture of the software defined IP over the elastic optical network, the optical layer could be aware of the services' real-time reliability through the cooperation of the controllers on the IP layer and optical layer. And then the optical controller could dynamically adjust the protected resources exploiting the release method of the minimal resource occupation block for the service according to the service' real-time reliability. Simulation results show that the proposed strategy can achieve a lower protection overbuild and blocking ratio while guaranteeing the reliability requirement of services.

Key words: optical inter-datacenter networks, elastic optical network, reliability-aware, dynamic protection

XIONG Yu;LI Zhiqiang;YANG Yaya. Dynamic cross-layer protection strategy in optical inter-datacenter networks[J].Journal of Xidian University, 2018, 45(3): 136-142.

References

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Dynamic cross-layer protection strategy in optical inter-datacenter networks

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