changes or upgrades. A similar process and software may also be used for handling
new service demand requests that may arrive to the automatically switched optical
networks, with the process triggered when a single new service demand arrives to
the network and must be satisfied within the shortest amount of time and within
constraints of null or minimal hardware change.
The geography of the metro networks is frequently characterized by a wide
variability in traffic-generating node separation, which may range from sub-km
range for nearly co-located customers to 100 km, and possibly longer. Premise
space and power avai lability, traffic add/drop capacity requirements are also quite
variable. Networks with such diversity benefit from a highly modular ...