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| network protocols | |
| itu-t recommendations | |
| network management | |
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ITU-T for managing Open System s in a communications network. TMN defines a set of ''interface points'' for elements which perform the actual communications processing (such as a call processing switch) to be accessed by elements, such as management workstations, to monitor and control them. The standard interfaces allows elements from different manufacturers to be incorporated into a network under a single management control. TMN can be used in the management of ISDN , B-ISDN ATM, and GSM networks. It is not as commonly used for purely packet-switched data networks. TMN is defined in ITU-T Recommendation series M.3000, and is based on the OSI management specifications in ITU-T Recommendation series X.700 . The TMN framework identifies four functional layers of network management :
A Network Element provides agent services, mapping the physical aspects of the equipment into the TMN framework The TMN M.3000 series includes the following recommendations:
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