CT Network management 2015.ppt

Network management 18 delegated model multi level

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Network Management 18 Delegated Model Multi-level hierarchy of managers Intermediate managers Make some decisions Report some status info to higher level manager Exchange status info with nearby peer managers Advantages Minimise point of failure problems Adjacent peer managers can adapt to nearby failures Disadvantages More management traffic than distributed model
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Network Management 19 Standardization Organizations Organizations that standardize, harmonize and promote Network management. IETF SNMP, MIBs, SMI ISO/OSI CMIS, CMIP ITU/TMN Telecommunications management network ATM (asynchronous transfer mode) Forum DMTF Distributed Management Task Force: WBEM, CIM ISSS Information Society Standardization System TMF Tele Management Forum OMG Object Management Group Open Group
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Network Management 20 Network Management Protocols ICMP - Internet Control Message Protocol MIB - Management Information Base SNMP - Simple Network Management Protocol CMIS/CMIP - Common Management Information Services / Protocols COPS - Common Open Policy Service Protocol
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