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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

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IP Convergence:

The Future of Satellite Communications

Simon Stewart

Satellite Gateway Technician


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What is IP Convergence?

  • The transmission of different types of traffic over a single “converged” network

    • Voice

    • Video

    • Data


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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.


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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


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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


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Phase One: Limited IP System Overview

  • Net-centric Router

  • Voice Gateways

  • HAIPE

  • Intrusion detection devices

  • The Performance Enhancing Proxy


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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



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Ku-band

(Eutelsat EB4)

Phase Two Linkway

Equipment

Shelter

Terminal 6

Modem: Linkway

Services: Voice, Video, Data

2.25 MSPS x 4

Pre-Positioned

Services

2.25 MSPS

Terminal 7

Modem: Linkway

Services: Voice, Video, Data

2.25 MSPS

Central

Network

2.25 MSPS

2.25 MSPS

Linkway

Terminal 8

Modem: Linkway IP

Services: Voice, Video, Data

Terminal 9

Modem: Linkway IP

Services: Voice, Video, Data

Network Manager

Network Controller


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Ku-band

(Intelsat IS-903)

Phase Two iDirect

Equipment

Shelter

Terminal 1

Modem: iDirect 7350

Services: Voice, Video, Data

512 Kbps

Pre-Positioned Services

Central

Network

Terminal 2

Modem: iDirect 7350

Services: Voice, Video, Data

2048 Kbps

iDirect

512 Kbps

Terminal 3

Modem: iDirect 7350

Services: Voice, Video, Data

Network Manager

Network Controller


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Phase Three:

Full IP Implementation


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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



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