Linked by Thom Holwerda on Tue 10th Nov 2009 16:21 UTC
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Member since:
2006-03-02
I was indirectly involved with the development of DPVL, Digital Packet Video Link. The idea behind DPVL was to make use of various transmission media (ethernet, DVI, etc.) to transmit not whole frames but only those parts of the screen that had been changed. This reduced the bandwidth for any one monitor, allowing for very large displays (consisting of any number of monitors daisychained) to be driven by one computer.
DPVL was ratified as a VESA standard, but it wasn't entirely successful, although it has ended up embedded in quite a number of niches. However, its legacy has hung around, and if I'm not mistaken, DisplayPort borrows some key ideas from DPVL.