Re: [dtn-security] 00 version of the Bundle Security Protocol Spec.

Michael Demmer <demmer@cs.berkeley.edu> Wed, 25 May 2005 15:23 UTC

Received: from pisco (pisco.CS.Berkeley.EDU [128.32.37.175]) by webbie.berkeley.intel-research.net (8.11.6/8.11.6) with ESMTP id j4PFNxV30496 for <dtn-security@mailman.dtnrg.org>; Wed, 25 May 2005 08:23:59 -0700
Received: from demmer by pisco with local (Exim 4.50) id 1Daxjj-0003rh-5r; Wed, 25 May 2005 08:23:59 -0700
Date: Wed, 25 May 2005 08:23:59 -0700
From: Michael Demmer <demmer@cs.berkeley.edu>
To: dtn-security@mailman.dtnrg.org
Cc: "Susan F. Symington" <susan@mitre.org>, 'Howard Weiss' <howard.weiss@sparta.com>
Subject: Re: [dtn-security] 00 version of the Bundle Security Protocol Spec.
Message-ID: <20050525152359.GB7633@pisco.cs.berkeley.edu>
References: <200505241854.j4OIsx724035@smtp-bedford-dr.mitre.org> <42944BEF.7090007@cs.tcd.ie>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
In-Reply-To: <42944BEF.7090007@cs.tcd.ie>
User-Agent: Mutt/1.4.2i
Sender: dtn-security-admin@mailman.dtnrg.org
Errors-To: dtn-security-admin@mailman.dtnrg.org
X-BeenThere: dtn-security@mailman.dtnrg.org
X-Mailman-Version: 2.0.13
Precedence: bulk
Reply-To: dtn-security@mailman.dtnrg.org
List-Unsubscribe: <http://mailman.dtnrg.org/mailman/listinfo/dtn-security>, <mailto:dtn-security-request@mailman.dtnrg.org?subject=unsubscribe>
List-Id: DTN Security Discussion <dtn-security.mailman.dtnrg.org>
List-Post: <mailto:dtn-security@mailman.dtnrg.org>
List-Help: <mailto:dtn-security-request@mailman.dtnrg.org?subject=help>
List-Subscribe: <http://mailman.dtnrg.org/mailman/listinfo/dtn-security>, <mailto:dtn-security-request@mailman.dtnrg.org?subject=subscribe>
List-Archive: <http://mailman.dtnrg.org/pipermail/dtn-security/>

I must confess that I have as of yet only skimmed the document, but
I'd like to put a vote in against not using the dictionary
header. 

While it may save a byte or two when encoding the length of the
string, I'm betting that in the average case, the schemas of the PSH
src/dest will overlap with something in the primary header so you're
better off using the dictionary.

-m