scope:

The objective of this Recommendation is to describe the functional requirements and architecture of the web service component in NGN using web technologies (e.g., HTML, HTTP, XML, SOAP, REST). The web service component in NGN basically supports legacy web services (e.g., web-browsing, e-mail, blogging, web-office services) and converged NGN services such as web-based conversational services through the interworking with the IP multimedia service component and/or web-based multimedia streaming service through the interworking with the IPTV services component.

The scope of this Recommendation includes:

• overview of the web service component in the support of legacy web services and converged NGN services;

• requirements for the web service component in NGN;

• functional architecture for the web service component in NGN;

• interworking between web service component and other service components.

This Recommendation mainly focuses on service control and content delivery functions in the service stratum of NGN. Details of web technologies are out of the scope.