From owner-freebsd-net@FreeBSD.ORG Mon Aug 26 23:56:01 2013 Return-Path: Delivered-To: net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 0CE1DB98 for ; Mon, 26 Aug 2013 23:56:01 +0000 (UTC) (envelope-from scott4long@yahoo.com) Received: from nm8-vm9.bullet.mail.gq1.yahoo.com (nm8-vm9.bullet.mail.gq1.yahoo.com [98.136.218.232]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id A77A72A16 for ; Mon, 26 Aug 2013 23:56:00 +0000 (UTC) Received: from [216.39.60.183] by nm8.bullet.mail.gq1.yahoo.com with NNFMP; 26 Aug 2013 23:49:36 -0000 Received: from [98.136.164.78] by tm19.bullet.mail.gq1.yahoo.com with NNFMP; 26 Aug 2013 23:49:36 -0000 Received: from [127.0.0.1] by smtp240.mail.gq1.yahoo.com with NNFMP; 26 Aug 2013 23:49:36 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1377560976; bh=HiPf+RNrZ8RdfvmPRPsHoQcxBHO0clAK5x/ApCGySEA=; h=X-Yahoo-Newman-Id:X-Yahoo-Newman-Property:X-YMail-OSG:X-Yahoo-SMTP:X-Rocket-Received:Content-Type:Mime-Version:Subject:From:In-Reply-To:Date:Cc:Content-Transfer-Encoding:Message-Id:References:To:X-Mailer; b=YIqirAv/TKr/JTD0IrjNMHu5VdnOCBvwyKDxRbnVc+p+Pyd0Ed9KXv4/GzcPFwDfuLaYcffP1ndiacfjouIo9OIUPC3j0RqHSnNaYt28+qkWkDzo/+9oaC/j5nWUZ15jR1fJj4Www3ZLkFNpZbDWaE/9TaIKYFvARRumzhQhOeA= X-Yahoo-Newman-Id: 154045.52281.bm@smtp240.mail.gq1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: Yr.ymhkVM1mApmCJ_g2pzV0ERP7ONfVs4DfhU3s8vZ7awoH An0Ommj3NXu1yKAYwF.T9z1YJuthiuFFHKfdJ6dwsg6kipOwbNaob3KyItkY hfe.s7YNLr3NcIynOXgQBWI6hjY8Oxc6ZdHSM_LtNfTqF.M05SjwxzfYg6Az vJdSQ2jN9AwMN5BakKVynPKwHJy5zdHFqWVtp.nyHWf_8UXHYWAEusvnuiah k0UWUJa7msqUsN9SfUCmFaTz9lU03KbP4rr9EEkRiLVjZDMOAITqwAg5C755 .U7lzsmejCk8x5YEP34vhCyYX6U_TUhBMOM3ZIWmygRcTIl3fWwhY0my4WDB HpIyw5wRT_Mv2U95qI96Hno3qN8xlVjOSjbVoSdBvSolEgzHt6RTae4OKpRq GhmUnYoY8CuOxDC2wojuGSa4t1TZkSxl9q4YhtKqe264I3XDnR3m8uR7PFdh 32MzZpBuIgOSEyVFdAsI3m5Wrk_9Q7GVv4WU_b..Bj_CigB9OUQi094M9LYG _DPiXM1CmP3zlwXpiTuhDWX_XpIE_pB6NYWDJvBhgX3AEBhwO10i20wOE9TE rP7w- X-Yahoo-SMTP: clhABp.swBB7fs.LwIJpv3jkWgo2NU8- X-Rocket-Received: from lgwl-achen.corp.netflix.com (scott4long@69.53.237.126 with ) by smtp240.mail.gq1.yahoo.com with SMTP; 26 Aug 2013 23:49:36 +0000 UTC Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 6.5 \(1508\)) Subject: Re: Flow ID, LACP, and igb From: Scott Long In-Reply-To: Date: Mon, 26 Aug 2013 17:49:34 -0600 Content-Transfer-Encoding: quoted-printable Message-Id: <2F36A2B1-A2AF-4331-BF2A-144915BEE706@yahoo.com> References: <521BBD21.4070304@freebsd.org> To: Adrian Chadd , Andre Oppermann X-Mailer: Apple Mail (2.1508) Cc: Jack F Vogel , Justin Gibbs , Alan Somers , net@freebsd.org X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Aug 2013 23:56:01 -0000 On Aug 26, 2013, at 5:30 PM, Adrian Chadd wrote: > ... is there any reason we wouldn't want to have the TX and RX for a = given > flow mapped to the same core? >=20 Given than an inbound ACK is likely to be turned into an outbound = segment from within the same execution context and CPU instance, I can't imagine = why it would be useful for these flows to be different. However, I'm still = a n00b at this networking stuff, so please correct me if I'm wrong. Scott