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IP Convergence: The Future of Satellite Communications Simon Stewart Satellite Gateway Technician What is IP Convergence? • The transmission of different types of traffic over a single “converged” network – Voice – Video – Data The Benefits of IP Convergence • A converged IP network • IP is an open standard • Easily scalable • Capable of CoS and QoS-based routing • Fewer components in the network • Elimination of multiple networks operating in parallel. IP Modem Architecture IP Modems Provide Efficient Bandwidth Utilization – Differs From Basic Satellite Modems in Their Ability to Efficiently Transport IP Data Over the Satellite Link – Uses Time Division Multiple Access (TDMA) Framing Structure Bandwidth on a Single Carrier Timeline for Development: Transformational Communications Architecture (TCA) • Legacy Design – 2004 - 2005 • Phase One Limited IP – 2006 • Phase Two Expanded IP – 2007 - 2008 • Phase Three Full IP – 2008 - 2012 Phase One: Limited IP System Overview • Net-centric Router • Voice Gateways • HAIPE • Intrusion detection devices • The Performance Enhancing Proxy Phase Two: Expanded IP System Overview • IP Modems are installed (iDirect, Linkway) – Support 4 Wideband RF Interfaces – Support Hub/spoke and Mesh Topology – Utilize Dynamic Bandwidth Resource Allocation • Upgraded Converged IP Suites • Ensure Compatibility With various terminals • Enhances Bandwidth availability Expanded IP Architecture Phase Two Linkway Equipment Shelter Terminal 6 Modem: Linkway Services: Voice, Video, Data Pre-Positioned Services Ku-band (Eutelsat EB4) Central Network Terminal 7 Modem: Linkway Services: Voice, Video, Data Linkway Terminal 8 Modem: Linkway IP Services: Voice, Video, Data Terminal 9 Modem: Linkway IP Services: Voice, Video, Data Network Manager Network Controller Phase Two iDirect Equipment Shelter Terminal 1 Modem: iDirect 7350 Services: Voice, Video, Data Pre-Positioned Services Central Network iDirect Ku-band (Intelsat IS-903) Terminal 2 Modem: iDirect 7350 Services: Voice, Video, Data Terminal 3 Modem: iDirect 7350 Services: Voice, Video, Data Network Manager Network Controller Phase Three: Full IP Implementation • Net-Centric Enterprise Service integrated • Future IP modem with Embedded TRANSEC • Enhances bandwidth capability further • Other future requirements yet to be determined Summary • Taking Steps Toward Realizing the Transformational Communications Architecture (TCA) • IP Transition Will be Incremental • Benefits of IP Convergence • Limited IP • Expanded IP • Fully Implemented IP • Keys to Success: Requirement Solidification, Program Synchronization, and Funding Questions?