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Aiming at providing united control of multi-domain optical networks orchestration, we design the Federated Platform based on Open Network Operating System (ONOS). Our implementation includes adding and extending modules in ONOS to provide the global view of multi-domain networks and support cross-domain end-to-end services by communicating with the individual domain controllers through RESTCONF protocol...
With the growth of cloud computing and data center (DC), data center networks (DCNs) is becoming an increasingly important part in the future networks. However, large-scale disasters are considered as the main problems in terms of network survivability. Therefore, we propose a data center recovery algorithm to protect the majority of customer service as soon as possible. This algorithm can maximize...
Based on the reasonable modeling of the spectrum consecutiveness around the node, the concept of node handling capacity is proposed which can effectively indicate the degree of spectrum fragmentation in flexible grid optical networks.
This work introduces for the first time the notion of minimum interference to the RSA algorithm design and proposes two novel RSA algorithms for EON. Our results show a noticeable spectrum efficiency improvement.
As the survivable mapping is critical in IP-over-wavelength-division-multiplexing (WDM) network to guarantee the restorability of IP layer, provisioning survivability in network with dynamic traffic is essential. However, survivable mapping problem for dynamic traffic shows more complexity than that for static traffic: 1) How to guarantee a survivable mapping since the lightpath is established and...
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