SINT SiNtx Technologies Inc

SI International Adopts 'Net-centric Enterprise Architecture' Provides Warfighters with Mission-critical Capabilities RESTON, Va., April 4 /PRNewswire-FirstCall/ -- SI International, Inc. (NASDAQ:SINT), an information technology and network solutions (IT) company, today announced that the Company has developed and implemented an object- oriented (OO)/Unified Modeling Language (UML)-based Enterprise Architecture approach for defining, designing, and satisfying defense agencies' mission- critical Command, Control, Communications, Computers, and Intelligence (C4I) requirements. This "Net-centric approach to Enterprise Architecture" employs OO/UML techniques to improve system architects' understanding of how best to integrate enterprise operations and systems for the optimal fulfillment of C4I and warfighting capabilities requests. Defense agencies commonly use the Department of Defense Architecture Framework (DoDAF) to specify and deliver C4I and warfighting support capabilities. DoDAF defines a common approach for Department of Defense (DoD) architecture description development, presentation, and integration. The framework ensures that architecture descriptions can be compared and related across organizational boundaries, including joint operations and multi- national boundaries. SI International's "Net-centric Enterprise Architecture" conforms to DoDAF's three separate views -- operational, systems, and technical. The "operational view" is a description of the tasks & activities, operational elements, and information flows required to accomplish or support a military operation. The "systems view" is a graphical and textual description of the services, systems, and interconnections that are used to satisfy operational needs. The "technical view" provides the minimal set of rules governing the arrangement, interaction, and interdependence of system parts or elements. The SI International method includes an additional operational UML view (not described in the DoDAF) that establishes the net- centric service responsibility, while depicting the overall value of the enterprise. Architectural methods that do not relate operational, systems, and technical views can result in the implementation of systems that are not interoperable, and fail to meet the warfighters' actual needs. Unlike older approaches that were developed in an era of "stove-piped" operational models and non-Web based architectures, SI International's method leverages the most advanced Web-based technology and protocols available to ensure full interoperability among multiple, legacy, and newly deployed systems. SI International's approach is uniquely suited to support the DoD's current emphasis on promoting Net-centric warfare, joint operations, and greater information sharing among military commands and units. In short, the method creates a collaborative tool where operational stakeholders can effectively communicate operational needs to system developers. "To our knowledge, SI International is the first and only contractor in the market that offers a net-centric approach to enterprise architecture and integrates the three views -- operational, systems, and technical -- through the application of object oriented analysis and design techniques," said Rob Byrd, SI International's Chief Enterprise Architect. "SI International's Net- centric approach to Enterprise Architecture provides system architects with a coherent, holistic perspective on designing a system to satisfy requirements and warfighting operational needs. Based on our experience, many large-scale integration projects falter, because they fail to adequately reflect end-user needs and business processes. Our object-oriented approach allows us to model warfighter operations in the context of the system usage, understand and assign net-centric service responsibility, and fully trace design elements to the operational service required," stated Mr. Byrd. About SI International: SI International, a member of the Russell 2000 index, is a provider of information technology and network solutions (IT) primarily to the federal government. The company combines technological and industry expertise to provide a full spectrum of state-of-the-practice solutions and services, from design and development to documentation and operations, to assist clients in achieving their missions. More information about SI International can be found at http://www.si-intl.com/. The above-referenced statements may contain forward-looking statements that are made pursuant to the safe-harbor provisions of the Private Securities Litigation Reform Act of 1995. Expressions of future goals and similar expressions reflecting something other than historical fact are intended to identify forward-looking statements, but are not the exclusive means of identifying such statements. These forward-looking statements involve a number of risks and uncertainties, which are described in SI International, Inc.'s filings with the Securities and Exchange Commission. These risks and uncertainties include: differences between authorized amounts and amounts received by SI International, Inc. under government contracts; government customers' failure to exercise options under contracts; changes in federal government (or other applicable) procurement laws, regulations, policies and budgets; SI International, Inc.'s ability to attract and retain qualified personnel; and the important factors discussed in the Risk Factors section of the annual report on Form 10-K filed by SI International, Inc. with the Securities and Exchange Commission and available directly from the Commission at http://www.sec.gov/. The actual results may differ materially from any forward-looking statements due to such risks and uncertainties. SI International, Inc. undertakes no obligations to revise or update any forward- looking statements in order to reflect events or circumstances that may arise after the date of this release. CONTACT: Alan Hill of SI International, +1-703-234-6854, or . DATASOURCE: SI International CONTACT: Alan Hill of SI International, +1-703-234-6854, or Web site: http://www.si-intl.com/

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