IPTV (Internet Protocol Television)
Architecture of non-NGN Based IPTV

The general Triple Play architecture (Figure below) usually consists of the following parts [4]:

General IPTV architecture

The Triple Play service platform usually contains several less independent parts of complex service architecture:

For the Triple Play contains tree type of services – video, voice, data – the connection to internet services and voice service platform is required (e.g. over VoIP gateway).

There is no single approach to the IPTV service provisioning. Due to huge costs involved in the network equipment, operators usually follow incremental approaches to network upgrading, always relying on existing premises and procedures. Therefore the way a new NGN service is provisioned, it clearly depends on the history of the operator. Therefore there are a lot of differences from solution to solution and also to operator specific transport, access and home network design.