From owner-freebsd-stable@FreeBSD.ORG Tue Apr 7 18:15:37 2009 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2BF4E1065670 for ; Tue, 7 Apr 2009 18:15:37 +0000 (UTC) (envelope-from oberman@es.net) Received: from mailgw.es.net (mail4.es.net [IPv6:2001:400:6000:6::2]) by mx1.freebsd.org (Postfix) with ESMTP id D3B8E8FC0C for ; Tue, 7 Apr 2009 18:15:36 +0000 (UTC) (envelope-from oberman@es.net) Received: from ptavv.es.net (ptavv.es.net [IPv6:2001:400:910::29]) by mailgw.es.net (8.14.3/8.14.3) with ESMTP id n37IFVo1012413 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 7 Apr 2009 11:15:32 -0700 Received: from ptavv.es.net (ptavv.es.net [127.0.0.1]) by ptavv.es.net (Tachyon Server) with ESMTP id 686721CC53; Tue, 7 Apr 2009 11:15:31 -0700 (PDT) To: Mehmet Erol Sanliturk In-reply-to: Your message of "Tue, 07 Apr 2009 11:13:25 EDT." Date: Tue, 07 Apr 2009 11:15:31 -0700 From: "Kevin Oberman" Message-Id: <20090407181531.686721CC53@ptavv.es.net> Cc: "stable@freebsd.org" , Julian Stacey , Lars Eggert Subject: Re: more automated fetch of ISO-IMAGES & ports X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Apr 2009 18:15:37 -0000 > Date: Tue, 7 Apr 2009 11:13:25 -0400 > From: Mehmet Erol Sanliturk > Sender: owner-freebsd-stable@freebsd.org > > BitTorrent is NOT always a good solution . > > I tried it on an approximately 4.5 Giga Bytes iso which came out to be > unusable because > > - direct download is taken minimum 12 hours with a 1024 kilo bits per second > down load speed , > in average 18 hours from Turkey . > > - BitTorrent download is reaching in average to 45 hours due to 256 kilo > bits up loads where > my PC is also used as a server for down loaders to share my downloaded > parts . > > I am not escaping to help to other people but to find a 45 hours continuous > time without destructive voltage fluctuations and nearly dedicate a PC so > much time is difficult . No, bittorrent is should not replace conventional tranfers. It would be an additional way to distribute large data sets (like the DVD image). There are many cases, like this one, where it is not a good fit. That is true of most tools. Where it is a good fit, it works extremely well. -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634 Key fingerprint:059B 2DDF 031C 9BA3 14A4 EADA 927D EBB3 987B 3751