At 15:41 11/20/2011, Peter G. Viscarola wrote:
Now if we could JUST lose the Firewire and USB interfaces, and
replace them with Gigabit Ethernet we'd really be in great shape.
The problem with Ethernet is that you can have arbitrary delays due
to collisions, so real-time performance cannot be
guaranteed. Firewire is designed to meet real-time processing
needs. Sad to say, I don't think there is enough demand to ever see
a real-time Windows system. OS/2 was a real-time system related to
Windows, but it has not done well recently. I believe there are
real-time versions of *nix, but it would be a bit strange to require
not only PSDR but all the ancillary vendors to change their support
platform from Windows to *nix. I would say the stifling of folks
jumping on the SDR bus would be severely impacted. I am surprised
that I ended up mentioning OS/2 in a contemporary, leading-edge setting....
--
Dave Gomberg, San Francisco NE5EE Programming since 1959
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