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This paper discusses the technical feasibility and network-level potential of defragmentation as a means of extending the capacity of optical transport networks. An experimental setup successfully demonstrates the possibility of rearranging connections spectrally in order to compact spectrum and harvest the benefits from more efficient flexible-grid channel… (More)
In this paper we give an overview of the network architecture and of the resilience requirements for both, metro and core networks.
This paper describes the requirements and challenges on WAN due to NFV in case of datacenter interconnections crossing heterogeneous domains for technology, control and vendors. It is presented a new architecture with novel functional building blocks between transport and service layers named E2E harmonization. Such architecture allows efficient… (More)