a service oriented architecture for personalized universal media access面向服务的体系结构进行个性化普遍的媒体访问.pdfVIP

Future Internet 2011, 3, 87-116; doi:10.3390/fi3020087 OPEN ACCESS future internet ISSN 1999-5903 /journal/futureinternet Article A Service Oriented Architecture for Personalized Universal Media Access Sascha Tönnies *, Benjamin Köhncke, Patrick Hennig, Ingo Brunkhorst and Wolf-Tilo Balke Forschungszentrum L3S, Appelstraße 9a, D-30167 Hannover, Germany; E-Mails: koehncke@L3S.de (B.K.); hennig@L3S.de (P.H.); brunkhorst@L3S.de (I.B.); balke@L3S.de (W.-T.B.) * Author to whom correspondence should be addressed; E-Mail: toennies@L3S.de; Tel.: +49-511-762-17723; Fax: +49-511-762-17779. Received: 6 January 2011; in revised form: 3 February 2011 / Accepted: 18 March 3011 / Published: 1 April 2011 Abstract: Multimedia streaming means delivering continuous data to a plethora of client devices. Besides the actual data transport, this also needs a high degree of content adaptation respecting the end users‘ needs given by content preferences, transcoding constraints, and device capabilities. Such adaptations can be performed in many ways, usually on the media server. However, when it comes to content editing, like mixing in subtitles or picture-in-picture composition, relying on third party service providers may be necessary. For economic reasons this should be done in a service-oriented way, because a lot of adaptation modules can be reused within different adaptation workflows. Although service-oriented architectures have become widely accepted in the We