SONET is the synchronous optical network introduced in 1984 by Bell Communications and quickly accepted by American National Standards Institute (ANSI).
SONET - New coverage of WDM & DWDM (Wave Division Multiplexing) and SONET. Coverage of IP packets directly on a SONET transport, and direct-to-fiber interfaces without SONET. Detailed examples of SONET deployments and how it was done right. Updated chapter on SONET vendors with key analysis of products available. Comprehensive, up-to-date guide for deploying SONET. Packed with real-world examples of SONET implementations, it includes all new coverage of DWDM (Dense Wavelength Division Multiplexing) and optical networks, SONET vendors and analysis of available products, plus important information about the future of SONET and DWDM.