From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sj-iport-2.cisco.com (sj-iport-2.cisco.com [171.71.176.71]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "sj-iport-2.cisco.com", Issuer "Cisco SSCA" (not verified)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 3C102201A59 for ; Thu, 12 May 2011 10:03:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=fred@cisco.com; l=528; q=dns/txt; s=iport; t=1305220288; x=1306429888; h=subject:mime-version:from:in-reply-to:date:cc:message-id: references:to:content-transfer-encoding; bh=C6xcR2Qoe6GifpHSrpOUoeHR8mRtUfIlfrTBiQ+QExI=; b=hqc4jn7xXVnaRAg9b7P18o7xkv9OK9lfCIch24Nd1dkkunGqnRU5q/Zf DfD9jAzcpfYOU/Qn04+atC8Yx42kHcO/E9WU4pgDHKtBDM/+xnI3VFhPJ 78WuLg2Qwi0VsUq9uVPUCP0CP4AXC7b8VaHZff1igI0cRqwfrqdig2O7W o=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlEHAAMUzE2rRDoG/2dsb2JhbACYAI14d4hwoQieKYYVBIZJiTKEKIph X-IronPort-AV: E=Sophos;i="4.64,359,1301875200"; d="scan'208";a="355799005" Received: from mtv-core-1.cisco.com ([171.68.58.6]) by sj-iport-2.cisco.com with ESMTP; 12 May 2011 17:11:27 +0000 Received: from stealth-10-32-244-222.cisco.com (stealth-10-32-244-222.cisco.com [10.32.244.222]) by mtv-core-1.cisco.com (8.14.3/8.14.3) with ESMTP id p4CHBM76015817; Thu, 12 May 2011 17:11:27 GMT Received: from [127.0.0.1] by stealth-10-32-244-222.cisco.com (PGP Universal service); Thu, 12 May 2011 10:11:27 -0700 X-PGP-Universal: processed; by stealth-10-32-244-222.cisco.com on Thu, 12 May 2011 10:11:27 -0700 Mime-Version: 1.0 (Apple Message framework v1084) From: Fred Baker In-Reply-To: <1305218518.8149.499.camel@tardy> Date: Thu, 12 May 2011 10:11:10 -0700 Message-Id: References: <4DB70FDA.6000507@mti-systems.com> <4DC2C9D2.8040703@freedesktop.org><20110505091046.3c73e067@nehalam> <6E25D2CF-D0F0-4C41-BABC-4AB0C00862A6@pnsol.com> <35D8AC71C7BF46E29CC3118AACD97FA6@srichardlxp2> <1304964368.8149.202.camel@tardy> <4DD9A464-8845-49AA-ADC4-A0D36D91AAEC@cisco.com> <1305218518.8149.499.camel@tardy> To: rick.jones2@hp.com X-Mailer: Apple Mail (2.1084) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Cc: Stephen Hemminger , bloat@lists.bufferbloat.net Subject: Re: [Bloat] Burst Loss X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 May 2011 17:03:38 -0000 On May 12, 2011, at 9:41 AM, Rick Jones wrote: > Perhaps I'm trying to argue about the number of angels which can dance > on the head of a pin, but isn't mitigating interrupt rates something > that NICs and their drivers (and NAPI in the context of Linux) been > doing for years? >=20 > Or are you using "interrupt" to refer to the entire trip up the = protocol > stack and not just "interupts?" It's the stack up to the API to the application, which of course = receives the data when it reads the socket.=20=