IDEX II Replacement Project (IRP)
NIMA is in the process of replacing one of the most complex and critical Imagery Intelligence exploitation tools in its arsenal -- the Imagery Data Exploitation System (IDEX) II. According to the the IDEX II Replacement Project (IRP) Concept of Operations (CONOPS), Version 1.1, dated November 24, 1999: "The purpose of NIMA's IDEX Replacement Project (IRP) is to replace the functionality of IDEX II with new Commercial Off-The-Shelf (COTS)-based United States Imagery and Geospatial Information Service (USIGS) components. The IRP is a system of systems comprised of new USIGS capabilities: Command Information Library (CIL), Integrated Exploitation Capability (IEC), Enhanced Analyst Client (EAC), and Imagery Access Service/Common Client (IAS/CC), and enhanced legacy systems: Imagery Exploitation Support System (IESS) and Dissemination Element (DE). These systems are designed to work together in providing imagery, imagery metadata and management information to the analyst and exploitation manager to support imagery analysis and production of imagery products. [The] IRP was mandated by Congressional direction to [NIMA to] migrate to COTS-based solutions and integration and eliminate the high per seat cost of maintaining the existing legacy IDEX II."
USJFCOM analysts relied heavily on the IDEX Display Broker facility, which allowed analysts to download only the portion of an image currently displayed on their workstations. This was an important capability when dealing with images as large as 1 GB and a Sun SPARCStation 10 or 20 with 64 MB of memory and a switched 10 Mbps Ethernet connection. USJFCOM preferred to use the IEC Tiling service to access images, since it required less robust networking and workstations and less additional storage for raw imagery. USPACOM, on the other hand, preferred to use a file-based interface.
Differences in the networks at each site have also led to customizations of IRP site integration plans. The IRP, whose components are interconnected with Fore Asynchronous Transfer Mode (ATM) switches, has to interface with each command's network and workstation infrastructure. The IRP will be essentially the same at each site but each site's overall configuration will be quite different. For example, USJFCOM has a Fore ATM network while USPACOM has Gigabit Ethernet. USEUCOM, on the other hand, has a Cisco Systems ATM network.
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