From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18416 invoked by alias); 4 Mar 2014 08:07:31 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 18405 invoked by uid 89); 4 Mar 2014 08:07:31 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-5.9 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=3.3.2 X-HELO: calimero.vinschen.de Received: from aquarius.hirmke.de (HELO calimero.vinschen.de) (217.91.18.234) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 04 Mar 2014 08:07:30 +0000 Received: by calimero.vinschen.de (Postfix, from userid 500) id EC37252051E; Tue, 4 Mar 2014 09:07:27 +0100 (CET) Date: Tue, 04 Mar 2014 08:19:00 -0000 From: Corinna Vinschen To: cygwin@cygwin.com Subject: Re: Testers needed: New passwd/group handling in Cygwin Message-ID: <20140304080727.GC7236@calimero.vinschen.de> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <87y50vc910.fsf@Rainer.invalid> <20140228201047.GC2381@calimero.vinschen.de> <20140228210804.GE2381@calimero.vinschen.de> <20140303092114.GA26619@calimero.vinschen.de> <1686957830.20140303195207@yandex.ru> <53152031.3000208@etr-usa.com> <397967999.20140304053603@yandex.ru> <53155F96.3060400@etr-usa.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="rQ2U398070+RC21q" Content-Disposition: inline In-Reply-To: <53155F96.3060400@etr-usa.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SW-Source: 2014-03/txt/msg00065.txt.bz2 --rQ2U398070+RC21q Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-length: 1299 On Mar 3 22:07, Warren Young wrote: > On 3/3/2014 18:36, Andrey Repin wrote: > >Once TCP session is established, it remains, > >until closed or dropped on either end of the wire. >=20 > Have you done the packet capture to prove that Windows does in fact > keep the LDAP connection to the AD server up continually, or are you > making an assumption? >=20 > >Amount of packets doesn't matter >=20 > Even if the connection stays up all the time, an LDAP lookup is > almost certain to take more than one packet each way. >=20 > Packet round trip time (RTT) varies by orders of magnitude among > networks, from sub-ms on a fast, quiet LAN to on the order of a full > second for a slow WAN. >=20 > Since the number of packets is a function of the number of round > trips, a network with an RTT of 0.9s will take more than the > proposed 3 seconds to process a query that requires 4 round trips, > even if the processing delay on either end is essentially 0. >=20 > You have to measure it to find out. >=20 > And yes, I have personally used networks with an RTT > 1.0s. I was inclined to go with Andrey's suggestion for simplicity. What's yours? Corinna --=20 Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat --rQ2U398070+RC21q Content-Type: application/pgp-signature Content-length: 819 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJTFYm/AAoJEPU2Bp2uRE+gnTMQAJuJVv/iNd3KkoGe7miujoIr FXk4Fmc18okx6N7qB6r8ZNwETpc3ZqN6apr55aGl4jZFb2QErCxJ3E0hfy02Dqhh meOKwNp3HbX69HFRIztqnSG8Q8yGLmMjFHsOWilspFn4Ba9eBAPXV7ZKhpy7Q3ye 5jZI11yVGwO2yOMRia+gxTK8iCSy8E0TP/atS9lxmN+up1SRb7sfcyPSVmuG7JRw Pn/Qzw5xp378WqO1wFrTFydyl/iwJ1MRDKQOHVZ1hH4MwBeaaHlKS94unUy2SDYh aFjzd6T0OcgpP5iStu5/bn0Bl/+Om34E/im5gdxAQfRjxqIrW1EvMDEOT6bnBFmS IOLNuixQt2+DOxscokkL85nwUQBSWB3aiqAhU3brlRDcUTOZHyDF8vuodKbuv6ko D4u3BgtybPj9EWkOQAJpdp6CPVMc37i/3oSqWMCFK5Wr7qe//PdItc4seFx4pO1f TaoeC2lOLn/hIPIydiuIe4DsbDsNt1MKNA0s72+hoFAxyu5w8Ccw7GvdvqDipdjN oMOmaPoF5GieXPUEVFqQktNJEdKRLKfbSebnMv6mD8YN4MeccHQ4wcylDEeoRcVH N4C32slmgqP/mzXVrirxI4IAtL9dZ42kzpc29vQSQ5PA8GQDDS0Rs7UzvAY4SsbZ D00fYoz0ejnw8SI3/t+v =xHE0 -----END PGP SIGNATURE----- --rQ2U398070+RC21q--