Abstract
In this paper, we address the architecture and the functionality of the GMPLS-enabled exchange point (GMPLS-XP), which is the transport network equivalent of the Internet Exchange Point (IXP). Consisting of a centralized multi-service switching node or a distributed multi-service switching network, the GMPLS-XP is involved in the topology discovery, routing and automatic connection control in the global multi-provider automatic switched transport network. For this purpose, a GMPLS-XP is modeled as a subnetwork with the multi-layer switching capability, and this topological representation is advertised to the interconnected domains and used to make flexible dynamic inter-connection decisions. In addition to providing flexibility in inter-domain connectivity, by operating over the proposed multi-provider interconnection architecture and supporting policy-based routing, the GMPLS-XP can naturally embed the routing and SLA mediation functionality. As the IXP is critical in supporting today’s global Internet operation, the GMPLS-XP will be a fundamental building block for future multi-provider heterogeneous transport network architectures.
On sabbatical leave at Georgia Institute of Technology, School of Electronic and Computing Engineering, Atlanta, GA
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Tomic, S., Jukan, A. (2005). GMPLS-Based Exchange Points: Architecture and Functionality. In: Sivalingam, K.M., Subramaniam, S. (eds) Emerging Optical Network Technologies. Springer, Boston, MA. https://doi.org/10.1007/0-387-22584-6_8
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DOI: https://doi.org/10.1007/0-387-22584-6_8
Publisher Name: Springer, Boston, MA
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