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OSS - Operations Support Systems(OSSs Definition The term...

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Operations Support Systems (OSSs) Definition The term operations support systems (OSSs) generally refers to the systems that perform management, inventory, engineering, planning, and repair functions for telecommunications service networks. Overview Originally, OSSs were mainframe-based, stand-alone systems designed to support telephone company staff members in their daily jobs. Essentially, these systems were designed to make the manual processes through which a telephone network was operated more efficient. Today's service providers, however, are required to manage a much more complex set of services and network technologies in order to remain competitive. As a result, new generations of OSSs are being developed—using state-of-the-art information technology—to address enterprise data information management. These systems make a company's information a more accessible and useful resource for managing the business, providing services, and delivering extraordinary customer care. This tutorial focuses on the current and near-future states of OSS technology and its development to support emerging and hybrid network technologies. Note that the tutorial focuses only on the service-management layer of the telecommunications management network (TMN) model. Refer to the Web ProForum TMN tutorial for a complete discussion of this model. Topics 1. The Basics of OSSs 2. OSS Interconnection 3. Operations Support of Data Services 4. Business Impact of an OSS Solution 5. Conclusion Self-Test
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Web ProForum Tutorials http://www.iec.org Copyright © The International Engineering Consortium 2/24 Correct Answers Glossary 1. The Basics of OSSs The easiest place to start a discussion of OSSs is with the fundamental systems in the ordering process for any-voice services provider. The process flow from placing an order for service to activating that service on the network leads through workflow, ordering, inventory, circuit design/engineering, provisioning, and activation systems. Figure 1. Process Flow Workflow Engine A workflow engine is generally at the heart of an integrated OSS infrastructure. It can be built in any number of configurations utilizing any number of technologies, but its purpose is generally the same regardless. The workflow engine manages the flow of information from system to system, essentially checking off the tasks associated with any process as it goes. Some OSS vendors package workflow engines with their systems whereas other vendors specialize in
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Web ProForum Tutorials http://www.iec.org Copyright © The International Engineering Consortium 3/24 workflow. Workflow systems are sometimes telecom specific, but just as often they are general information technology products that can function effectively in any environment from telephony to financial services to manufacturing. The workflow engine's utility, again, is managing and coordinating interactions between integrated systems.
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