Abstract
Advances in next-generation SONET/SDH along with GMPLS control architectures have
enabled many new service provisioning capabilities. In particular, a key services
paradigm is the emergent Layer 1 virtual private network (L1 VPN) framework, which
allows multiple clients to utilize a common physical infrastructure and provision their
own 'virtualized' circuit-switched networks. This precludes expensive infrastructure
builds and increases resource utilization for carriers. Along these lines, a novel L1
VPN services resource management scheme for next-generation SONET/SDH networks is
proposed that fully leverages advanced virtual concatenation and inverse multiplexing
features. Additionally, both centralized and distributed GMPLS-based implementations are
also tabled to support the proposed L1 VPN services model. Detailed performance analysis
results are presented along with avenues for future research.
© 2006 Optical Society of America
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