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NHA: Next generation networks
Telecommunications has experienced major changes in the last few years but perhaps the most radical transformation is occurring now with the introduction of next generation networks (NGNs). Operators are also exploring the benefits of software defined networking (SDN).
These technologies promise long-term cost savings for operators and innovative new services for both residential and business customers.
This course introduces the advantages, architecture, key technologies and service capabilities of IP-based next generation networks while considering the implications of migrating from a conventional system to an NGN and then to SDN and network function virtualisation.
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Level:
What does this mean?
Target audience:
This PTT online course is aimed at those involved in the design and maintenance of telecommunications networks.
Course prerequisites:
A basic understanding of the principles and features of packet and circuit switched networks. It is recommended that PTT's e-learning course "Principles of Wide Area Networks" is studied before attempting this course.
For those planning to study the module of this course covering virtual network services, an understanding of Ethernet switching would be an advantage. It is recommended that PTT's course "Ethernet fundamentals" is studied before attempting this module.
Course objectives:
By the end of this course you will be able to:
- describe the technical, economic and service advantages of next generation networks.
- describe the basic architecture of a next generation network (NGN) with reference to its service control and transport layers.
- explain that NGN services can be accessed by a variety of transmission technologies including fibre to the home, WiFi, 4G mobile and DSL over copper wires.
- describe the functions and facilities of the various technologies used to transport traffic over an NGN with reference to the relationship between them.
- describe the role of the IP Multimedia Sub-system (IMS) and the network attachment and admission control functions.
- describe and compare the various methods of providing connection-oriented services over a NGN with reference to MPLS, MPLS-TE and T-MPLS.
- describe and compare various NGN virtual network services with reference to VPNs, VLANs, pseudowires, VPLS and typical applications.
- explain the concepts, and relationship between, software defined networking (SDN) and network function virtualisation (NFV).
- describe the advantages of, and barriers to, the implementation of SDN and NFV in a telecoms system.
Number of modules: 7
Approximate study time: 8 hours
Download and view the course specification in Adobe PDF format
Delivery platform requirements:
To access the course, a computer/tablet running a browser such as Chrome, Safari, Edge etc. is required. The device should have an active Internet connection and a screen resolution of at least 1024x768.
