mer centric experience. Fundamentals of EMS, NMS and OSS/BSS Some of the issues that generate dissatisfaction to customers are: Many interactions with support team without a positive outcome. Inconsistent information provided on interaction with different channels. Increased time for service fulfillment and customer service. Multiple services offered on divergent platforms like mobile, PSTN, Cable, and SO on, which have to be handled separately by the client. Competitors offering better customer experience. The number of support calls from customers has increased recently and the main cause of these issues can be attributed to the following changes in service provider space affecting customer experience: New complex convergent services are being introduced that the customer is not familiar with. Support calls can be with regard to ordering, service usage, billing, and SO forth. Different types of networks are coming up and the service provider profes- sionals may not be able to fix all bugs before deployment. Many suppliers and partners with regard to services being offered and the content associated with the services. Acquisitions and mergers in service provider space, which require aligning business process and integrating solutions. Nonscalable legacy applications for management impedes proper monitoring on next generation network and services. Service developers can contribute to better assurance in current telecom scenarios by offering seamless integration of services and better management at the service provider space. Toward this goal, the following strategies are becoming increasingly popular on the service developer space that will impact the service provider: SOA (service oriented architecture) in development can lead to smoother inte- gration of services. SOA promotes reuse of services, which can bring down the CAPEX and OPEX. Service development and lifecycle needs to be well managed and network data collection and control should be separated from the service implementation. Centralized service manage