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Challenges in Topology Exchange for Emerging Network Services

Over the last few years there has been a growing interest in inter-domain circuit provisioning. While this capability has been demonstrated in various venues and environments, it remains a very challenging problem. Today's data networks employ many different transport protocols, each with its own nuances and capabilities. And each network offering of even similar services are still slightly different and almost always have substantially different security and authorisation policies. Book ahead scheduling and coordination of network services within the larger framework of heterogeneous information processing resources add yet another dimension to path planning. Together, these issues pose a continuing and very challenging problem for networks that must address a global interoperability and scalability of these services.

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Dynamic Network Services

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