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Express Logic develops, markets and supports the ThreadX® real-time operating system (RTOS), NetXTCP/IP networking stack, USBX USB stack, FileX® embedded file system, and PEGX GUI toolkit for embedded applications.
ThreadX is a royalty-free, full source code, small-footprint, low-overhead RTOS that is extremely easy to learn and use. ThreadX is one of the most widely deployed RTOS products in the world, with over 1.25 billion products based on ThreadX.
Definition: VPX, formerly known as VITA 46, is a proposed ANSI standard that provides VMEbus-based systems with support for switched fabrics over a new high speed connector.
Defined by the VITA (VME International Trade Association) working group (comprising major industry organizations such as Boeing, Curtiss-Wright, GE Fanuc Embedded Systems, Mercury Computer Systems and Northrop Grumman), it has been designed specifically with defense applications in mind, with an enhanced module standard that enables applications and platforms with superior performance.
VPX retains VMEs existing 6U and 3U form factors, supporting existing PCI Mezzanine Card and XMC mezzanines (PMC with high-speed serial fabric interconnect), and maintaining the maximum possible compatibility with VMEbus.
New generations of embedded computing systems based on the VPX standard reflect the growing significance of high speed serial switched fabric interconnects such as PCI Express, RapidIO, Infiniband and 10 Gigabit Ethernet.
These technologies are starting to replace traditional parallel communications bus architectures for local communications, because they offer significantly greater capability with higher bandwidth, throughput and performance.
Switched fabrics provide an optimum technology to support the implementation of multiprocessing systems that require the fastest possible communications between multiple processors as in a digital signal processing application, for example.
VPX gives the large existing base of VMEbus users access to these switched fabrics.
Source: Wikipedia (http://en.wikipedia.org/wiki/VPX)
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