VIRTUAL COMMON SPACE: USING WDM IN METRO ACCESS NETWORKS

摘要

A system and method utilizing inexpensive "Coarse" WDM (CWDM)components to extend the economic utility of a service provider's localnetworkservice (LNS) feeder fiber used to serve business customers. Using theseexistingcomponents and a hybrid of PON and SONET technologies, the inventionprovides many of the advantages of "Common Space" equipment through opticalin lieu of electronic multiplexing. The technique reduces access costs,decreasesprovisioning time, reduces capital expenditures, and enables more aggressivemarketing for local business services.