Toward the service-rich era /spl lsqb/optical access networks/spl rsqb/

In order to remain viable the common carriers to develop "optical access network" based on FTTH as soon as possible. Many problems must be overcome in moving from the "metallic" world to the "optical" world, but if carriers hesitate and fail to make this move then they will be in a hopeless situation in the 21st century. This article discusses concepts for realizing optical access networks that are competitive with other media systems and for introducing them to the telephone world, to provide various attractive services to their customers and so gain their continued support.<>