Defining Standards
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Defining Standards--VITA 42: Switched Mezzanine Card (XMC) Picks Up Speed
Low-profile mezzanine cards are an important accessory for embedded computing systems. XMC (VITA 42) is a popular mezzanine based on switched protocol technologies. The standard recently went through a revision update. This article reviews the changes made to the standard.
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VITA 49: VITA Radio Transport (VRT) Standard in Action
VITA is probably best known for hardware standards used for backplane-based computers. Occasionally, however, a software standard emerges out of a VITA working group. One of the most successful and widely used VITA standards is the VITA 49 family. Simply stated, VITA 49 defines a protocol standard that enables message interoperability between equipment from multiple vendors.
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VPX Performance Boost
VITA members have been working on performance improvements to the VPX roadmap for the past several years. The trends: New applications demand ever-increasing amounts of bandwidth. At the same time, the community seeks a migration path that preserves the work done over the past 15 years. Higher data-rate protocols are being designed into OpenVPX [...]
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High voltage power supply standard
The popular VPX for high performance computing is a multifaceted, multilayered family of standards covering everything from modules to chassis to systems to architectures. The range of applications targeted by this technology require many dot standards to cover all cases. A recently fast-tracked standards effort illustrates type of work underway at VITA to make the [...]
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Patent policy proposal stirs the pot of business versus innovation interests
On February 2, the U.S. Department of Justice (DOJ) announced that it will not challenge a proposal by the Institute of Electrical and Electronics Engineers (IEEE) to update the IEEE Standards Association's (IEEE-SA) patent policy. That policy governs the incorporation of patented technology in IEEE standards and explains the terms under which holders of patents essential to IEEE standards commit to make licenses available for use in implementing IEEE standards.
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VITA 76 provides for high-bandwidth I/O in a rugged MIL-38999 circular connector
MIL-38999 connectors enable high-bandwidth data transfer through multiple protocols, including commercial standards.
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XMC goes rugged with VITA 61 mezzanine interconnect standard
XMC gets the mechanically robust upgrade path it needs with the VITA 61 spec nearing completion.
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VITA 67 provides the first coaxial-backplane standard for analog and RF I/O
A VPX-related VITA standard, VITA 67 (Analog/RF Interconnect, formerly 46.14) proffers the inaugural coaxial backplane for analog and RF I/O.
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VITA 71: Revolutionary mezzanine standard aims to replace PMC, XMC standards
Dean Holman, Mercury Computer Systems, Greg Rocco Mercury Computer Systems, and
Dan Toohey, Mercury Computer SystemsThe scope of the VITA 71 Working Group is to define a groundbreaking mezzanine standard to replace the existing PMC and XMC standards. Whereas the migration from PMC to XMC was evolutionary, VITA 71 will be revolutionary.
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VITA 60 standardizes a ruggedized alternative for VPX applications
As standardization of high-speed interconnect systems converges with the increased demands of military and aerospace applications, the need for more advanced technology in a ruggedized package has been highlighted. To meet this technology gap, VITA 60 (Alternative Connector on VPX) was launched to define a new interconnect platform consistent with the evolving VITA 46 (VPX) form factor yet designed and tested for more ruggedized environments.
Phil Keohen, Rantec
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