computer science

Telecommunications Management Network

Telecommunications Management Network is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Telecommunications Management Network rather than just read about it. In short: The Telecommunications Management Network is a protocol model defined by ITU-T for managing open systems in a communications network. It is part of the ITU-T Recommendation series M.3000 and is based on the OSI management specifications in ITU-T Recommendation series X.700.

Key takeaways

Telecommunications Management Network belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Telecommunications Management Network to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Telecommunications Management Network from memory before moving on to harder problems.

Reference excerpt

The Telecommunications Management Network is a protocol model defined by ITU-T for managing open systems in a communications network. It is part of the ITU-T Recommendation series M.3000 and is based on the OSI management specifications in ITU-T Recommendation series X.700. TMN provides a framework for achieving interconnectivity and communication across heterogeneous operations system and telecommunication networks. To achieve this, 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. For communication between Operations Systems and NEs (Network Elements), it uses the Common management information protocol (CMIP) or Mediation devices when it uses Q3 interface. The TMN layered organization is used as fundamental basis for the management software of ISDN, B-ISDN, ATM, SDH/SONET and GSM networks. It is not as commonly used for purely packet-switched data networks. Modern telecom networks offer automated management functions and are run by operations support system (OSS) software. These manage modern telecom networks and provide the data that is needed in the day-to-day running of a telecom network. OSS software is also responsible for issuing commands to the network infrastructure to activate new service offerings, commence services for new customers, and detect and correct network faults.

Architecture According to ITU-T M.3010 TMN has 3 architectures:

Physical architecture

Security architecture

Logical layered architecture

Logical layers The framework identifies four logical layers of network management:

Business management Includes the functions related to business aspects, analyzes trends and quality issues, for example, or to provide a basis for billing and other financial reports. Service management Handles services in the network: definition, administration and charging of services. Network management Distributes network resources, performs tasks of: configuration, control and supervision of the network. Element management Handles individual network elements including alarm management, handling of information, backup, logging, and maintenance of hardware and software. A network element provides agent services, mapping the physical aspects of the equipment into the TMN framework.

Recommendations 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 Business Process Framework (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

See also Simple Network Management Protocol (SNMP) Common management interface protocol (CMIP, X.700)

References

Further reading Galis, A. (July 2000). Multi-Domain Communication Management. Boca Raton, Florida: CRC Press. ISBN 0-8493-0587-X. 420 pp with 740 pp appendices in CD-ROM

Worked examples

Example 1 — a first encounter with Telecommunications Management Network

Start with the simplest possible case. Write down what Telecommunications Management Network claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Telecommunications Management Network before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Telecommunications Management Network ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Telecommunications Management Network

In research: Telecommunications Management Network appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Telecommunications Management Network in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Telecommunications Management Network is common in secondary-school and first-year university syllabi. It links to neighbouring topics ITU-T recommendations, Network management, Network protocols, so understanding it makes those chapters shorter.
In everyday life: Look for Telecommunications Management Network outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Telecommunications Management Network in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Telecommunications Management Network means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Telecommunications Management Network out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Telecommunications Management Network in simple terms?

Why does Telecommunications Management Network matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Telecommunications Management Network?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Telecommunications Management Network.