Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!apple!bloom-beacon!think!barmar
From: barmar@think.COM (Barry Margolin)
Newsgroups: comp.protocols.tcp-ip
Subject: Re: TCP Port question
Message-ID: <20919@news.Think.COM>
Date: 27 May 89 21:43:45 GMT
References: <364@toro.UUCP> <93400022@p.cs.uiuc.edu>
Sender: news@Think.COM
Reply-To: barmar@kulla.think.com.UUCP (Barry Margolin)
Organization: Thinking Machines Corporation, Cambridge MA, USA
Lines: 18

In article <93400022@p.cs.uiuc.edu> zweig@p.cs.uiuc.edu writes:
>This brings up that problem that RFC1078 in almost impossible to understand
>unless you already know what it does. It says "then the service begins" --
>but is it still on Port 1? Or does the service implicitly set up a different
>port number? Does this mean only one thing can be happening on Port 1 at any
>time? Sounds like a shabby multiplexer if it only multiplexes one thing at a
>time....

That's like assuming that there can only be one TELNET session at a
time because it there's only one port 23.  The TCPMUX server can
handle any number of connections, because they'll each come from a
different remote host and/or remote port.

Barry Margolin
Thinking Machines Corp.

barmar@think.com
{uunet,harvard}!think!barmar