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The restoration based on P-Cycle offers ring-like speed and mesh-like capacity efficiency, but the major challenge resides in finding an optimal set of P-Cycles. A new restoration method named Pre-planned restoration rail (P-Rail) is proposed, and formulates the optimized Integer Linear Programming (ILP) algorithm and the sub-cycle rerouting algorithm. P-Rail yields the harsh need of restoration time...
As the data-intensive application becomes increasingly important, The Grid-GMPLS is considered as a powerful control plane solution to support the data-intensive grid. Therefore, strong survivability must be emphasized in the supporting GMPLS infrastructure. In order to further investigate the deep impact of message loss of the resource reservation protocol-traffic engineering extensions (RSVP-TE)...
This paper exploits wavelength converters in GMPLS-based wavelength switched optical networks to reduce resource contentions during lightpath restoration. Reduction of the restoration blocking is achieved thanks to wavelength conversion and an intelligent wavelength selection strategy.
This paper reports a summary of the joint research activities on Optical Core Networks within the e-Photon-ONe+ project. It provides a reasonable overview of the topics considered of interest by the European research community and supports the idea of building joint research activities that can leverage on the expertise of different research groups.
The IP layer of obstacles, such as routers optical-transmission malfunction in the hierarchy can not handle. These types of obstacles that need and packet-level rerouting, if packet-level rerouting long time backup LSP or tunneling path through the ability to automatically switchover needs. Disability for a certain amount of resilience backup (protection), or to require extra capacity. There is no...
This paper investigates path restoration in translucent optical networks. Regenerator information is carried by GMPLS protocols (RSVP-TE signaling and OSPF-TE routing protocols). Restoration performance is evaluated in terms of blocking probability and control plane load.
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