Date: Tue, 23 Apr 2002 11:36:09 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: Nate Williams <nate@yogotech.com> Cc: Attila Nagy <bra@fsn.hu>, Tomas Svensson <tsn@gbdev.net>, hackers@FreeBSD.ORG Subject: Re: sendfile() in tftpd? Message-ID: <3CC5A999.A1A4D313@mindspring.com> References: <Pine.LNX.4.44.0204231521120.24266-100000@scribble.fsn.hu> <3CC59C44.13013A1E@mindspring.com> <15557.40442.852602.681416@caddis.yogotech.com>
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Nate Williams wrote: > Going to TCP soon assumes that you have a lossless medium in order to > transmit packets over. If you're using a lossy medium, TFTP (and other > UDP based protocols) can kick their butt because of TCP's assumption > that packet loss is a function of congestion, which is often not the > case in lossy mediums such as wirless. :( THat's true. I can't really think of an example of such a medium, though, that you would still trust to netboot something. 8-). Maybe 802.11b. 8-(. The specific problem here is that "UDP is ``too slow''"; it looks like a classic "Doctor, it hurts when I do this...". 8-) 8-). -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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