Optical layer multicast: rationale, building blocks, and challenges

  • Authors:
  • G. N. Rouskas

  • Affiliations:
  • North Carolina State Univ., Raleigh, NC, USA

  • Venue:
  • IEEE Network: The Magazine of Global Internetworking
  • Year:
  • 2003

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Abstract

Optical layer multicast refers to the support of point-to-multipoint connections directly at the physical layer by employing passive devices capable of splitting the power of an input signal among several outputs. Optical multicast technology enables a broad set of applications and opens new directions to network design. We examine the underlying principles and essential components for a practical optical multicast service. We also present a set of key research challenges along with a survey of the literature.