Telecommunications Management Network
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The Telecommunications Management Network is a protocol model defined by ITU-T for managing open systems in a communications network.
TMN provides frame work for achieving interconnectivity and communication across heterogeneous operations system and telecommunication networks.
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 interface allows elements from different manufacturers to be incorporated into a network under a single management control.
TMN uses CMIP (Common Management Information Protocol) for communication between Operations Systems and NEs or Mediation devices when it uses Q3 interface.
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:
- Business Management - handling items including billing, account management and administration. This layer relies on inputs from both the Service and Element Management layers for input
- Service Management
- Network Management - provides oversight services to aid in managing major sections of the network
- Element Management - provides oversight and coordination of the services provided by groups of network elements
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:
- M.3000 Tutorial Introduction to TMN
- M.3010 Principles for a TMN
- M.3020 TMN Interface Specification Methodology
- M.3050 Enhanced Telecommunications Operations Map (eTOM)
- M.3060 Principles for the Management of the Next Generation Networks
- M.3100 Generic Network Information Model for TMN
- M.3200 TMN Management Services Overview
- M.3300 TMN Management Capabilities at the F Interface
The TMN multi-domain management is presented in the following book:
- ”Multi-Domain Communication Management” by Galis, A. - CRC Press LLC, Boca Raton, Florida, USA, 420 pp + 740 pp Appendices in CD-ROM, July 2000, ISBN 0-8493-0587-X
[edit] See also
- Simple network management protocol (SNMP)
- Common management interface protocol (CMIP, X.700)
