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 Wednesday, January 31, 2007
A revised workplan for some of the Questions in Study Group 12 will include specific mention of IPTV Quality of Experience (QoE) and Quality of Service (QoS).

The latest meeting of Study Group 12, Geneva, January, also saw agreement on a definition for QoE. This, experts said, is particularly important given the inclusion of QoE in the definition of IPTV agreed by the ITU-T IPTV Focus Group. (See previous story).

Quality of Experience (QoE)

The overall acceptability of an application or service, as perceived subjectively by the end-user.

NOTES

1     Quality of Experience includes the complete end-to-end system effects (client, terminal, network, services infrastructure, etc).

2     Overall acceptability may be influenced by user expectations and context.


Study Group 12 Vice Chair, Chuck Dvorak, said that he expects that IPTV and other multimedia QoS and QoE issues will see increasing attention in SG12 moving forward.

Dvorak also said that he expects that the non-transport aspects of networks and services, for example call processing performance, will also receive more attention. Additionally he says that he expects SG12 will take a closer look at how to better address the needs of developing countries in terms of QoS.