I'm thinking layer 2 with a unique Ethernet packet type (probably use
some abandoned packet type). That said, there's nothing stopping us
from doing UDP, except the additional bandwidth. I don't see any need
to do TCP.
I think that it should be possible for an unprivileged user (on most
Free systems) to interact with a USRP over GigE. Actually this raises
the issue of authorization and confidentiality/integrity of the data,
probably taken care of by a dedicated ethernet port.
USB is said to be reliable. Presumably you mean to have that same
property via pause frames.
--
Greg Troxel <[EMAIL PROTECTED]>
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