Synchronous ethernet: a method to transport synchronization

Authors:
J. -L. Ferrant;M. Gilson;S. Jobert;M. Mayer;M. Ouellette;L. Montini;S. Rodrigues;S. Ruffini
Affiliations:
Alcatel-Lucent, Paris;-;-;-;-;-;-;-
Venue:
IEEE Communications Magazine
Year:
2008

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Abstract

This article discusses the evolving transport architecture, covering some of the synchronization distribution problems to many endpoints where mobile backhaul and TDM emulation occur. It shows how synchronous Ethernet fits into both the Ethernet and synchronization architectures, and discusses how this helped development in standardization bodies. Standardization allows the key building blocks of Ethernet silicon and specific timing devices to be developed, which allows a robust system implementation to be constructed while allowing interworking with and migration from existing SONET/SDH-based transport infrastructure. Finally, results are shown that indicate a very high level of performance is achievable with Synchronous Ethernet not subject to the normal packet delay variation and traffic load conditions that can occur in packet based networks.