| There has been extensive military and commercial efforts to develop SATCOM systems that support the Internet Protocol (IP). While the development of SATCOM systems are inherently challenging, the Transformational Satellite Communications System (TSAT) program has requirements to provide IP network services at the highest levels of availability and integrity required by DoD policy. TSAT is a Mission Assurance Category (MAC) 1 IP network, on the Global Information grid (GIG), supporting a range of user communities from US only military forces, to coalition forces, and other non¬-Governmental Organizations (NGO) such as disaster relief personnel.
(U) This paper will describe the TSAT Information Assurance (IA) architecture. This architecture was chosen to provide stringent protection measures necessary to ultimately be accredited as a MAC 1 system. In addition, the operational needs of the TSAT system will require this architecture to provide assured management, strong separation of user communities, and extensive network defense mechanisms. To meet these goals, TSAT will need to close current gaps in COTS and GOTS technology that will be needed to field TSAT in the 2012-2016 timeframe.
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