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Third Party Multimedia Streaming Control with Guaranteed Quality of Service in Evolved Packet System
Abstract
This paper studies implementation issues of Parlay X “Multimedia Streaming Control” and “Application-driven Quality of Service” web services in the Evolved Packet System (EPS). EPS is defined as evolution of mobile communication networks with broadband radio interface and Internet Protocol (IP) based core. The main signalling protocols in EPS used for multimedia session management and quality of service control are respectively Session Initiation Protocol (SIP) and Diameter. The functional architecture for third party multimedia streaming control with guaranteed quality of service considers deployment of an application server which exposes web service interfaces toward applications and control protocols toward the network. In a role of mediation functionality, this application server is responsible for the translation between web services interface operations and control protocol messages. In addition, it needs to maintain synchronized state models that reflect both third party application view and protocol view. An approach to automated functional verification of such type of application server providing “Multimedia Streaming Control” and “Application-driven Quality of Service” web service interfaces is suggested. Use cases that illustrate the approach applicability are described.
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