Optical Network Design and Implementation

The Need for Wavelength-Division Multiplexing

The power of the Internet and the World Wide Web resides in its content. Retrieval of high-quality content from application servers, such as web servers, video servers, and e-commerce sites, in the shortest possible time has driven the need for speed for individual and corporate end users alike. Residential customers, small- and medium-sized businesses, and even large businesses are demanding affordable high-speed access services, such as xDSL and cable modem access, with or without service level agreement (SLA) guarantees. Larger enterprise customers continue to push for high-speed, managed multiservice IP virtual private networks (VPNs) with strict quality of service (QoS) as well as storage-area ...