The road to carrier-grade Ethernet

  • Authors:
  • Kerim Fouli;Martin Maier

  • Affiliations:
  • Optical Zeitgeist Laboratory, INRS;Optical Zeitgeist Laboratory, INRS

  • Venue:
  • IEEE Communications Magazine
  • Year:
  • 2009

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Abstract

Carrier-grade Ethernet is the latest step in the three-decade development of Ethernet. This work describes the evolution of Ethernet technology from LAN toward a carrier-grade operation through an overview of recent enhancements. After reviewing native Ethernet and its transport shortcomings, we introduce the major carrier-grade upgrades. We first discuss the evolution of layer-2 architectures. Then, we detail the service specifications and their QoS and traffic engineering requirements. Finally, we describe the new OAM and resilience mechanisms.