First introduced in 2007, the VPX (VITA 46/48) board and backplane standard quickly became established as the next-generation replacement for the venerable VMEbus. Upon its introduction, VME was itself almost 25 years old and recognized as the de facto standard for backplane-based systems designed for aerospace, defense, and industrial applications. More-demanding emerging applications, though, required support for serial fabrics, distributed, scalable compute architectures, and much greater data rates beyond VME’s pin-based connector’s capabilities...
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