VITAL. Enabling convergence of IP Multimedia Services over NGN Technology. Contents. Project overview. VITAL Platform. User scenarios.
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1 VITAL Enabling convergence of IP Multimedia Services over NGN Technology Paris, Friday, 12/09/ Contents Project overview VITAL Platform User scenarios Testing Conclusions 2
2 Project overview Name Activity VITAL Research Networking Testbeds FP6 IST Start 01/06/2006 Duration 28 Months EC Funding 2,500,000 Total PM 432,5 Number of Partners 11 3 Motivation IMS technology still suffers a number of confining factors mainly associated to Interoperability with underlying communication technologies and legacy infrastructures Unified resources allocation mechanisms across heterogeneous networks Terminals IP-level mobility management 4
3 Mission statement VITAL sets up a Europe-wide IMS based experimental network with the intention to Experiment on IMS services using SIP/IMS terminal types (mobile, wireless and fixed) Envisage mechanisms for End-to-End QoS reservation across heterogeneous platforms consisting of mobile, wireless and fixed access networks Experiment on FMC service continuity issues across federated networks, e.g., handover, roaming, services provisioning across foreign networks with flat charging Provide an open testbed for third party researchers and institutions to test their services on a real IMS network 5 Consortium partners KELETRON 6
4 Distributed VITAL Platform KELETRON 7 Multi-access VITAL Platform 8
5 User scenarios Voice and video calls Voice and video conferencing Mobility management Video streaming Data sharing 9 Voice and Video Conferencing trials WLAN-H323/SIP-VoIP SIP User Agents registered on WLAN, H.323/SIP and VoIP access network Client-based conferencing RTP mixing and video distribution by client 10
6 Mobility Management trials (1/2) Seamless Mobility Implementation with MM-AS Voice features are handled in Voice Feature server Applications MRF HSS SIP (ISC) CSCF VFS Voice AS Mobility Management Application Server controls the reachability. MM- AS MM connects to the Mobile Network SS7 MAP MM-AS ISUP PSTN MGCF SIP MGF IMS Network HLR MSC/VLR SIP Calls either via WLAN or GSM network Roaming + Handoff GGSN/SGSN Clients RAN SIP Phone Analog Phone + Terminal adapter WiFi CPE Dual-mode handset GSM/GPRS Copyright by SN / Produced for VITAL 11 Mobility Management trials (2/2) Testing of mobility and bearer management between WLAN and GSM User registration / deregistration Call setup Call forwarding Handover Call release Testing of service continuity during mobility procedures Success rate of handover 12
7 Video Streaming Application Server Video Streaming Service One way service (AS to Client) Standard SIP Registration, call setup and media negotiation SIP IM is used for triggering video selection Application Server details C++ implementation SIP protocol implemented in the context of Vital Media streaming is based on VLC software Media details Two RTP streams (video + audio) Video is streamed as H and audio as MP2 13 Video Streaming Client Java based User Agent Standard SIP registration, call setup and media negotiation SIP module was implemented in the context of Vital Media Module uses Java Media Framework Provides Report of SIP messages exchanged Media Panel with movie selection buttons that appear dynamically according to details provided by the AS Buttons can be used to change the movie on display or restart an already started one 14
8 Data Sharing trials Application The concept of the Data Sharing AS is the provision of the following capabilities to all participants: Text based communication (chat) Collaborative drawing (white-boarding) 15 QoS integration method for UMTS and ADSL access networks Gq interface provided by IMS core network PDF implemented in access networks 16
9 VITAL IMS resource management Proposed Solution Design and MSC IMS Core Network P-CSCF AAA Diameter Client Gq (Diameter) AAA Diameter Server Mapping Function Server PDF Proprietary (TCP/IP) Client PEF Network Elements VITAL Access Network 17 Thanks Questions & Answers VITAL Project Manager Dr. Wolfgang Brandstätter Telekom Austria TA AG wolfgang.brandstaetter(at)telekom.at 18
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