Mailing-List: contact cygwin-developers-help AT sourceware DOT cygnus DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-developers-subscribe AT sources DOT redhat DOT com>
List-Archive: <http://sources.redhat.com/ml/cygwin-developers/>
List-Post: <mailto:cygwin-developers AT sources DOT redhat DOT com>
List-Help: <mailto:cygwin-developers-help AT sources DOT redhat DOT com>, <http://sources.redhat.com/ml/#faqs>
Sender: cygwin-developers-owner AT sources DOT redhat DOT com
Delivered-To: mailing list cygwin-developers AT sources DOT redhat DOT com
Subject: Re: CYGWIN SERVER: Some questions
From: Robert Collins <robert DOT collins AT itdomain DOT com DOT au>
To: cygdev <cygwin-developers AT cygwin DOT com>
In-Reply-To: <20010903140332.C23714@cygbert.vinschen.de>
References: <20010903140332 DOT C23714 AT cygbert DOT vinschen DOT de>
Content-Type: text/plain
Content-Transfer-Encoding: 7bit
X-Mailer: Evolution/0.13 (Preview Release)
Date: 12 Sep 2001 22:50:12 +1000
Message-Id: <1000299013.30377.91.camel@lifelesswks>
Mime-Version: 1.0
X-OriginalArrivalTime: 12 Sep 2001 12:37:03.0510 (UTC) FILETIME=[A00FD360:01C13B87]

On Mon, 2001-09-03 at 22:03, Corinna Vinschen wrote:
> ========================================================================
>      FOOD FOR DISCUSSION  FOOD FOR DISCUSSION  FOOD FOR DISCUSSION  
> ========================================================================
> 
> I have some questions about our "Cygwin server project" which is
> about to start as soon as we have discussed how to implement
> the client/server protocol and how to manage differences between
> NT and 9x based OSes.
> 
> The most important question IMO is, how do we design the communication
> protocol? It should combine all qualities which can't live together in
> reality but only on marketing papers:

> - Sockets (Pro: Platform independent, Easy to use, Con: Secure)
To address this con:
SSPI for NT allows impersonation, and for 95 we simply don't call the NT
functions :}.

Rob

> - Shared memory (Pro: Platform independent, Fast, Con: Secure)
> - Named pipes (Pro: Secure, Con: Platform independent)
> - DDE (Pro: Platform independent, Secure, Con: Easy to use???)
> - RPC (Pro: Platform independent, Secure, Con: Easy to use???)
> - COM (Pro: Platform independent, Con: Easy to use???)
>