Text TCS Internal September 29, 2014 Introduction to TMN Layer.
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Transcript of Text TCS Internal September 29, 2014 Introduction to TMN Layer.
TCS Internal
September 29, 2014
Introduction to TMN Layer
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Objective
• This presentation covers the TMN Layer. The presentation aims on the various layers in TMN and the management functionalities of these layers. This presentation is the foundation for all beginners who will be working in Telecom domain.
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Index
Introduction to TMN
TMN Layers
TMN in field – An Example
TMN Management Functions
Summary
Discussion Points
References
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Introduction to TMN TMN: Telecommunications Management Network (TMN)
Provides a framework for interconnectivity and communication across heterogeneous telecommunication networks
TMN was developed by the International Telecommunications Union (ITU) as an infrastructure to support management and deployment of telecommunications services
TMN supplies a model of logical layers that define or suggest the management level for specific functionality.
The same type of functions can be implemented at many levels, from the highest level, which manages corporate or enterprise goals, to a lower level, which is defined by a network or network resource
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Introduction to TMN Contd.. Starting with the bottom level, these hierarchy layers include
NEs,
Element-management layer (EML)
Network-management layer (NML)
Service-management layer (SML)
Business-management layer (BML)
Once management is defined at the lower layers, additional management applications can be built on this foundation.
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TMN Layers
6Saturday, May 6, 2023
Business Management Layer
Service Management Layer
Network Management Layer
Element Management Layer
Network Element LayerTMN-manageable information
in an individual NE
Manages the “FCAPS” for NEs under its span. Deals with vendor specific functions
Has the entire network view. Interfaces with multi-vendor EML
entities
Manages those aspects which are directly visible to the end users and
service providers, e.g., QoS,add/remove users
Has broad scope and basically responsible for managing the whole enterprise. “Goal Setting” rather than
“Goal Achieving”
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TMN Layers Contd..
BML : High-level planning, budgeting, goal setting, executive decisions, business-level agreements (BLAs), etc.
SML : Uses information presented by NML to manage contracted service to existing and potential customers; this is the basic point of contact with customers for provisioning, accounts, quality of service, and fault management. The SML is also the key point for interaction with service providers and with other administrative domains.
NML: The NML has visibility of the entire network, based on the NE information presented by the EML. The NML manages individual NEs and all NEs as a group. The NML coordinates all network activities and supports the demands of the SML.
EML : Manages each network element; the EML has element managers, each of which are responsible for the TMN–manageable information in certain NEs. In general, an element manager is responsible for a subset of the NEs. An element manager manages network element data, logs, activity, etc.
NEL : The NEL presents the TMN–manageable information in an individual NE
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TMN in Field – An Example
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TMN Management Functions
Fault Management
Configuration
Management
Accounting Management
Performance Management
Security Management
Alarm handling System turn-up Track Service Usage
Data Collection Authentication
Trouble Detection & Correction
Network Provisioning
Billing for Services
Data Analysis Confidentiality
Event Notification and Log generation
Auto-Discovery Usage Reports and Analysis
Report Generation
Integrity
Network Recovery
Back-up and Restore
Resource Utilization
Monitoring QoS Access Control
Test and Acceptance
Database Handling
Logging User Activity
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SummarySummary
TMN Provides a framework for interconnectivity and communication across heterogeneous telecommunication networks
TMN divided into 5 Logical layers
NEs, Element-management layer (EML), Network-management layer (NML), Service-management layer (SML), Business-management layer (BML)
TMN provides 5 management functions
Fault management, Configuration management, Accounts management, Performance management, Security management
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Discussion Points
Discussion Points
1. TMN stands for?
2. Explain 5 layers of TMN?
3. What are management Layers?
4. What is the functionalities of OSS Layer?
5. What are 5 functions that TMN provides?
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References
http://en.wikipedia.org/wiki/Telecommunications_Management_Network