Network management information is the description of network resources. physical or logical. Management information model specifies the principles for the definition of managed object. In the OSI network management architecture. GDMO(Guidelines for the Definition of Managed Objects) and ASN. 1 are used to describe the information model exactly.The paper gives a detailed introduction to OSI network management information model and demonstrates the nine templates specified in GDMO. The author develops a software----TMN EDITOR with VC++ language, which serves as an efficient tool when defining managed objects.
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