A survey of optical multicast over WDM networks

  • Authors:
  • Aijun Ding;Gee-Swee Poo

  • Affiliations:
  • School of Computing, National University of Singapore, Kent Ridge, Singapore, Singapore 119260;School of EEE, Nanyang Technological University, Nanyang Avenue, Singapore, Singapore 639798

  • Venue:
  • Computer Communications
  • Year:
  • 2003

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Abstract

Multicast applications such as multimedia, medical imaging, digital audio and video conferencing are bandwidth-intensive. With the advance in optical technology providing abundant bandwidth, it is natural to extend the multicast concept to optical networks in order to gain enhanced performance. This paper provides a comprehensive review of optical multicast techniques, covering the main optical multicast concept, the optical multicast switches, the multicast over single-hop broadcast-and-select networks, the multicast over multi-hop wide area mesh networks, and the related challenging algorithms developed for multicast routing in the optical domain.