Experimentation with optical switching technology by various telecom companies for healing an optical network in face of equipment and fiber failures has made severa1 headlines recently. This talk attempts to check whether such optical protection and restoration (optical recovery henceforth) makes practical sense, given similar mechanisms that are already available at the higher layers (e.g., SONET/SDH or ATM).
© 1998 Optical Society of AmericaPDF Article
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