DIGITAL VIDEO BROADCAST, RETURN CHANNEL SATELLITE DVBRCS HUB INSTALLATION AND INTEGRATION FOR DISA A

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DIGITAL VIDEO BROADCAST, RETURN CHANNEL SATELLITE
(DVB-RCS) HUB INSTALLATION AND INTEGRATION FOR
DISA AND US CENTCOM

• Sonny Marshall

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Introduction

• DISA Engineering Team
• DISA (Falls Church), MARSHALL, SPAWAR Charleston,
  Teralogics LLC, RDR Inc., BAH
• Purpose
• Success of DISA ET Meeting Needs of CENTCOM with
  First Standards Based, 2-Way System, to service
  GBS and UAV Product Users

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DISA Integrated DVB-RCS Solution

• Hub
• Combined GBS, RCS, and DataNet Forward
• Provides UAV users w Transmit and Rebroadcast
  Capability
• Subscriber Suites
• Network Integration for Production/User Suites
• PSS Co-located with UAV Ground Control Station
• Reach-back to SIPRNet
• GBS RO Suites
• Rec GBS Originated or CENTCOM Originated UAV Data

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US CENTCOM Systems Architecture
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Implementation/Integration

• Hub at Landstuhl, Germany
• Interfaces/Connectivity
• GBS Data muxed with DVB-S FL
• DATMS-U SIPRNet
• Local Data Repository
• DataNet Server (CDN over EutelSat W6)
• Subscriber Suite LAN Integration
• Source UAV Video, SIPRNet Backup, GBS Data

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Ops Floor
DOD Gateway _at_ Landstuhl, GE
Ku ET
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Production Subscriber Suite
PSS 2.4 meter Antenna with 8 watt BUC USS 1.8
meter Antenna with 4 watt BUC
Antenna Options Fixed, Fly-Away, Self-Pointing,
Auto-Tracking
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Certification/Accreditation

• System Test Bed at DISA
• Allowed Team to Assess Security Posture of System
  Dev Risk Mitigation Strategies
• DITSCAP Compliance
• Hub and Suites were STIGd Prior to DISA FSO Team
  Assessment
• ATO Granted by Designated Approval Authority

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KEY CHALLENGES

• Transponder Loading
• GBS Terminals to Rec W6 Forward Link
• 30 Mbps to 1 meter Antenna, Transponder Output
  Maxed
• TRANSEC
• FL KG-240 to KG-240/KG-250 (remotes)
• RL No Protection for Return Channel Signaling
  (Joint IP Modem to address)
• Optimize Throughput
• Protocol Enhancement Proxy (PEP) used
• TCP Traffic Acceleration
• OM
• SPAWAR Provides in Theater Support
• Technical Support (Help Desk and two Technicians)
• Spares (Suites and Parts)

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Transponder Loadings
Final
Initial
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Performance

• Forward Link
• GBS 20Mbps (27Mbps to 1/1.2m Dish)
• CENTCOM 6Mbps (UAV Feeds)
• SIPRNet/CDN 1Mbps ODI
• Opportunistic Data Insertion 8Mbps Observed
• Return Link
• 8 PSS CHs _at_ 2.328Mbps each
• UAV IP Video 2.2Mbps,SIPRNet 128Kbps
• 3 USS Shared CHs _at_ 1.192Mbps each
• Each USS Guaranteed 384Kbps burstable to 1.152Mbps

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CENTCOM DVB-RCS Suites