This study provides a quantitative assessment of the complete optical networking systems market. This study is intended for executives and marketing analysts interested in trend line analysis in the optical networking industry using the most recent data. Decision makers will also benefit from the strategic market assessment of market driver and restraints. Fundamental paradigm shifting forces are also identified and discussed. This report provides detailed quarterly revenues and market share by equipment type and vendor. The areas covered include Core Next Generation Long Haul DWDM, Metropolitan Next Generation, Traditional Sonet/SDH, Digital Cross Connect, Sonet/SDH, Optical Cross Connect, advanced featured OEO and OOO types.