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We study the problem of dynamic content replacement in terms of network state variation in elastic optical datacenter networks. A dynamic content replacement scheme is proposed to minimize spectrum consumption, blocking probability and network latency.
High spectrum efficiency and flexibility are the advantages of elastic optical network, which is the future direction of optical network development. Routing and resource allocation is one of the core technologies of flexible optical networks. This paper propose an improved RSA algorithm in the elastic optical network which based on OSNR impairment model. It considers both QoT (quality of transmission)...
We study the problem of joint spectrum and storage resource backup (JSSRB) to improve the survivability of elastic optical datacenter networks (EODNs) for cloud services. An ILP model and heuristic algorithms are developed. Simulation results show that JSSRB can effectively improve the survivability and spectrum efficiency of EODNs.
We propose an inter-core crosstalk-aware routing, spectrum and core allocation scheme with spectrum bands and spatial Sp-Chs in multi-dimensional optical networks to get higher SE and lower XT. 15% reduction in XT is achieved.
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