Gartner Research

How to Choose Between WDM Systems for Metro Networks

Published: 12 September 2005

ID: G00130443

Analyst(s): Peter Kjeldsen, Todd Hanson


The choice between coarse wave-division multiplexing or dense wave-division multiplexing for metropolitan-area networks depends on a number of factors. Two critical factors are cost advantages and traffic pattern forecasts.

Table Of Contents
  • Wave Division Multiplexing
  • Comparison of DWDM and CWDM
  • Technology Evolution
  • Gartner Dataquest Perspective
  • Synopsis and Recommendations

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