Path: utzoo!attcan!uunet!ginosko!ctrsol!cica!tut.cis.ohio-state.edu!att!ima!cfisun!lakart!dg
From: dg@lakart.UUCP (David Goodenough)
Newsgroups: comp.mail.uucp
Subject: Re: New UUCP Protocol (was: Re: Zmodem added to UUCP)
Message-ID: <728@lakart.UUCP>
Date: 20 Oct 89 18:29:19 GMT
Organization: Lakart Corporation, Newton, MA
Lines: 25

Going off at a slight tangent from the main thread of this subject, I do
have one question about adding Xmodem / Zmodem / Kermit.

uucico (as I look at it) is in one respect a two layer program: down at
the bottom is the "g" (or whatever) protocol driver, that simply moves
data from one end to the other. Above this is the file level, which knows
about C. requests, and how to process them, understands "S file file"
messages, "SY" "SN2" "CY" etc. etc. etc. Now, in a Zmodem environment,
what would be done about the "bidirectionality" of the link, i.e. would
uucico still use the:

	"S file file"	---->
			<----	"SY"
	<send data>	---->
			<----	"CY"


convention, or would some other system be used. Same applies to Xmodem
(moreso perhaps, because S requests are easy, but R requests would get
to be fun under Xmodem).
-- 
	dg@lakart.UUCP - David Goodenough		+---+
						IHS	| +-+-+
	....... !harvard!xait!lakart!dg			+-+-+ |
AKA:	dg%lakart.uucp@xait.xerox.com			  +---+