Traffic engineering for Ethernet over SONET/SDH: advances and frontiers
IEEE Network: The Magazine of Global Internetworking - Special issue on protocols and algorithms for future cross-layer and hybrid optical networks
Distributed grooming in multi-domain IP/MPLS-DWDM networks
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
An evolutionary approach to end-to-end addressing and routing in all-ethernet wide-area networks
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Hierarchical routing and traffic grooming in IP/MPLS-based ASON/GMPLS multi-domain networks
Photonic Network Communications
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There is an emerging wide interest to transition from legacy WAN transport technologies to Ethernet-based technology. The current round of carrier Ethernet standards will successfully equip service providers (SPs) with the required tools to provide carrier-grade scalability and to provision and engineer connection-oriented point-to-point (P2P) packet trunks across a native Ethernet infrastructure. Building on these standards, this paper demonstrates how to support and implement full traffic engineering in a global-scale, two-tiered native Ethernet-over-WDM optical networking architecture. To achieve these objectives, several networking innovations are presented and developed including: 1) a GMPLS-based unified control plane that offers a tighter integration between layer-1 (optical transport layer) and layer-2 (Ethernet layer), 2) a fully distributed integrated routing and signaling framework for dynamically provisioning Ethernet switched paths (ESPs) at any bandwidth granularity including both full wavelength and finer granularity (sub-lambda) ESPs in an integrated Ethernet-optical networking environment, and 3) a novel notion of an integrated link-state advertisements strategy that is consistent with a fully integrated routing and signaling protocol