From owner-svn-src-head@FreeBSD.ORG Sun Oct 28 21:34:44 2012 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id D138DFAD; Sun, 28 Oct 2012 21:34:44 +0000 (UTC) (envelope-from rpaulo@felyko.com) Received: from felyko.com (unknown [IPv6:2607:f2f8:a528::3:1337:ca7]) by mx1.freebsd.org (Postfix) with ESMTP id AE47F8FC14; Sun, 28 Oct 2012 21:34:44 +0000 (UTC) Received: from [IPv6:2601:9:4d00:85:8077:b284:3e1f:accb] (unknown [IPv6:2601:9:4d00:85:8077:b284:3e1f:accb]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by felyko.com (Postfix) with ESMTPSA id 4C5C83982B; Sun, 28 Oct 2012 14:34:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=felyko.com; s=mail; t=1351460084; bh=P08BNdh8B5Ssf5nudRluVjJPFxskKk+AikH5+Z5bSH8=; h=Subject:From:In-Reply-To:Date:Cc:References:To; b=FVd8ZnW2B5pw/WbC+hfgB7rX5kBn7IPNZBr0Fo5IqPh6gZ2omX1dbIa4oFD81ugjJ 4iyyo5aA6+9DLDDSdyrxSLAUgRq0jdND59ENNj7gDqyhr3bKFFN1/o567E0PomzvyL YEhvYt9rdhwrKL2oaEey+GLEFMaZs6bhEjjvpIKM= Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 6.2 \(1499\)) Subject: Re: svn commit: r242261 - head/sys/netinet From: Rui Paulo In-Reply-To: <201210281902.q9SJ272D078237@svn.freebsd.org> Date: Sun, 28 Oct 2012 14:34:40 -0700 Content-Transfer-Encoding: quoted-printable Message-Id: <6FC10C06-9288-4E2C-A1A2-33C5CC8086C5@felyko.com> References: <201210281902.q9SJ272D078237@svn.freebsd.org> To: Andre Oppermann X-Mailer: Apple Mail (2.1499) Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Oct 2012 21:34:44 -0000 On 28 Oct 2012, at 12:02, Andre Oppermann wrote: > Author: andre > Date: Sun Oct 28 19:02:07 2012 > New Revision: 242261 > URL: http://svn.freebsd.org/changeset/base/242261 >=20 > Log: > For retransmits of SYN|ACK from the syncache use the slightly more > aggressive special tcp_syn_backoff[] retransmit schedule instead of > the normal tcp_backoff[] schedule for established connections. How did you came up with the values for tcp_syn_backoff? I obviously = understand the aggressiveness, but did you measure any significant = improvement in connection establishment time and if so, on what type of = links? Regards, -- Rui Paulo