Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!bloom-beacon!mit-eddie!fenchurch.mit.edu!jbs
From: jbs@fenchurch.MIT.EDU (Jeff Siegal)
Newsgroups: comp.protocols.misc
Subject: Re: About Protocols for File Transfer
Message-ID: <9295@eddie.MIT.EDU>
Date: 22 May 88 20:34:15 GMT
References: <303@cfcl.UUCP>
Sender: uucp@eddie.MIT.EDU
Reply-To: jbs@fenchurch.MIT.EDU (Jeff Siegal)
Organization: MIT EE/CS Computer Facilities, Cambridge, MA
Lines: 12

In article <303@cfcl.UUCP> dwh@cfcl.UUCP (Dave Hamaker) writes:
>Trick Question for the Day:
>
>Using ordinary asynchronous RS-232 full-duplex serial communications, is an
>error-detecting/correcting file-transfer protocol possible which is as fast
>as or faster than non-protocol transfer?  If not, why not?  If so, how?

No; at the very least, you need to send some error checking/correcting
information (checksum, CRC, RS ECC, etc.) along with the data so you
can detect or correct the errors.  This will make it take longer.

Jeff Siegal