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G?ANTNREN network environment is an advanced communications infrastructure connecting end-institutions and end-users in different countries through several network layer organized in different legal entities. Seamless end-to-end service delivery in such multi-domain environment with the multitude of different technologies in use, operational procedures, network management subsystems and procedures is a significant challenge. It requires the design and deployment of Operations Support Systems, software components that facilitate all aspects of service operation. Many existing network management standards propose OSS design guidelines.
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