The reality of today’s marketplace dictates that service provider networks change to remain competitive.
New modulation techniques. Faster metro optical fiber rings. Voice, high-speed data and multimedia
services deployed closer than ever to the edge of the network. These changes are largely upgrades and
reconfigurations designed to improve reliability, availability, accuracy and breadth of services.
Establishing a solid network foundation rooted in connectivity has already proven successful as networks
transitioned from analog to digital and from copper to fiber, and as service providers joined networks
together through collocation and consolidation. As service providers approach the convergence of voice,
data and video with IP-based services, a foundation of...