CygNet Optical Transport Network OSS is an intelligent, state-of-the-art solution that provides the complete OSS functionality with automation of a wide range of processes. It is built on CygNet Service Management Platform (SMP) with its robust active Discovery/Network Inventory foundation. Complete Resource Management with end-to-end Service Fulfillment and Service Assurance capability are available as overlay modules on top of SMP, via REST-based APIs. The entire gamut of optical technologies - SDH, DWDM, CWDM, ASON, OTN, PTN, MOT, MPLS-TP etc. are covered by the solution. The solution is SDN/NFV ready and provides the capability of integrating with a range of NFV solutions from multiple vendors, providing complete visibility of physical as well as virtual infrastructure seamlessly. The cognitive Fault Management makes intelligent use of the data for Root Cause Analysis and Service Impact Analysis resulting in rapid fault isolation and service restoration. The Analytics driven Performance Management takes a preemptive approach to service quality management, providing real time dashboards of KPIs and ensuring that customer SLAs are met.