Modeling GMPLS and optical MPLS networks

A consequence of migrating the existing Internet architecture to an all-optical one is that the network will consist of a mixture of equipment, ranging from electrical routers to all-optical packet switches. Hence, future networks will consist of multiple domains employing different technologies. The MPLS concept is attractive because it can work as a unifying control structure covering all technologies. This paper describes how a novel scheme for optical MPLS and circuit switched GMPLS based networks can incorporated in such multi-domain, MPLS-based scenarios and how it could be modeled. Network nodes supporting GMPLS the proposed novel scheme is implemented and routing and path setup is demonstrated.