[comp.protocols.tcp-ip.ibmpc] Mail problem KA9Q->Interactive/386 Unix

stev@VAX.FTP.COM (05/29/90)

>The fault is definitely on the Interactive UNIX end. TCP is a pure byte
>stream protocol, and it is allowed to packetize data for transmission in any
>way it chooses.  Applications are required to read incoming data from a TCP
>connection without regard to packet boundaries. For example, a SMTP receiver
>that reads a line of text must do so by reading a character at a time from
>the receive buffer until it sees a cr/lf sequence. Anything else in the
>receive queue must be left undisturbed until the next read operation.

while in a perfect world this would be true, we have found that some
applications *really* want certian things in one packet. like vt220 escape
sequences and such . . .

how offensive . . . . .

amanda@mermaid.intercon.com (Amanda Walker) (05/29/90)

In article <9005291317.AA01134@vax.ftp.com>, stev@VAX.FTP.COM writes:
> we have found that some
> applications *really* want certian things in one packet. like vt220 escape
> sequences and such . . .

Telnet option negotiations are also common

> how offensive . . . . .

Indeed.  Makes me have warm fuzzy feelings about a TCP/IP certification
suite...

--
Amanda Walker, InterCon Systems Corporation
--
"Go not to the elves for counsel, for they will say both no and yes."
	--J.R.R. Tolkien, The Lord of the Rings