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Auflistung nach Autor:in "Magedanz, Thomas"

1 - 3 von 3
  • Konferenzbeitrag
    Evolution von Dienstkontrollmechanismen in Netzen der nächsten Generation und im Internet der Zukunft
    (INFORMATIK 2011 – Informatik schafft Communities, 2011) Magedanz, Thomas; Müller, Julius
    This half day workshop will provide an overview of the Packet Core Network evolution starting with the introduction of global fixed and mobile next generation network standards and outlining its evolution in regard to the emerging Future Internet, which is driven by international research programmes, such as GENI in the US, FIRE in Europe and Akari in Japan. The main focus will be on the network and service control options and optimization within the 3GPP Evolved Packet Core (EPC) forming today the common packet core architecture for various broadband access networks, including LTE and WiMAX. The tutorial will outline the EPC architecture and address potential EPC application domains, including IP Multimedia Subsystem (IMS) based VoIP as well as internet over the top service architectures with their own service layer control capabilities. Starting from here the tutorial looks at the emerging Future Internet, comprising different research views, such as the internet of things, the internet of services, and the network of the future. Here we introduce the current visions and research topics related to cross-layer functional composition and network virtualisation. The tutorial terminates with outlining how FI concepts could be exploited in NGN/EPC evolution and introducing related software toolkits and experimental platforms of TU Berlin / Fraunhofer FOKUS, namely the OpenEPC (www.openepc.net) and the FUSECO-Playground (www.fuseco-playground.org) enabling comprehensive prototyping in the context of academic and industry research.
  • Konferenzbeitrag
    The FOKUS open SIP AS - A service platform for NGN
    (Kommunikation in Verteilten Systemen (KiVS), 2005) Fasel, Elmar; Knüttel, Karsten; Magedanz, Thomas
    Evolutionary, a Next Generation Network (NGN) is a significant improvement of a successfully existing network. The third Generation Partnership Project (3GPP) aimed to merge two of the most successful paradigms in communications: cellular networks and the Internet. Within the IP Multimedia Subsystem (IMS) the 3GPP specified a comprehensive and service oriented architecture that includes session based Quality of Service in IP, charging mechanisms and offers standardized interfaces for application service integration and seamless interactions with legacy services. Under this technical premise a variety of promising value added services suppose to attend our entire communication life. Fraunhofer Institute FOKUS designed and implemented a 3GPP compliant Application Server for converged services called the 'Open SIP AS' which is deploying services within the 'National Host for 3Gb Applications Testbed' on top of an IMS architecture. This paper describes details of the implementation and the usage of the 'Open SIP AS' and gives an example of a NGN service.
  • Konferenzbeitrag
    Parlay PAM in 3GPP's IP-multimedia subsystem
    (Kommunikation in Verteilten Systemen (KiVS), 2005) Klaus, Jens-Michael; Magedanz, Thomas
    The document will give a brief overview of the Presence and Availability -specification in general, protocols used in the IP Multimedia Subsystem - namely SIP and Diameter - and will show a possible mapping for PAM-methods to the underlying infrastructure. In addition it will describe the IMS infrastructure developed at Fraunhofer Fokus and the implementation of the PAM-server