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Re: GigE (was Re: [Discuss-gnuradio] DSP based SDR)

From: Eric Blossom
Subject: Re: GigE (was Re: [Discuss-gnuradio] DSP based SDR)
Date: Thu, 23 Jun 2005 20:52:33 -0700
User-agent: Mutt/1.5.6i

On Wed, Jun 22, 2005 at 12:40:06PM +0200, Harald Welte wrote:
> On Tue, Jun 21, 2005 at 04:10:35PM -0700, John Gilmore wrote:
> But at what expense?  you copy data back and forth between different
> address spaces (kernel/user), you have lots of complex code that deals
> with retransmissions, protocol demultiplex, ... that is totally
> unneccessarry for the gnuradio/USRP kind of application.

Actually, you do need flow control.  And to do this with any kind of
throughput, you start needing sliding windows.  At this point, you are
pretty close to TCP territory.  The question becomes do I want to
build something custom, or do I want to use a standard solution that
might be overkill.


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