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This paper proposes three innovative point-to-multipoint protection schemes to provide efficient and reliable MPLS transport profile multicast services, which is particularly relevant for the fast growing IPTV broadcast service. The three proposed protection schemes are all based on the interconnected rings structure, which is a widely deployed topology of legacy networks and has the natural ability...
All-optical packet switching designs have evolved in the last years. However, all-optical packet forwarding functionalities are still limited. Several label assignation methods have been studied in order to efficiently use the small label space of the designs. In this paper, we present a novel scheme for label switched path protection for networks with small label spaces, such as all-optical packet...
Single type of protection for dynamic traffic on WDM network is well-studied, and most protection allocation mechanisms are based on the centralized control. In this paper, we will investigate the mixed-mode protection strategy for the connections in the network, under the assumption of single link failure model. Two types of protection resource allocation methods are proposed. The distributed decision...
Ring architectures have been widely used by telecommunications carriers for the deployment of networks based on synchronous optical network (SONET) and wavelength division multiplexing (WDM). These architectures have several attractive properties that make them desirable for a large number of applications. Even though arbitrary mesh network architectures provide additional degrees of freedom and are...
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