From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mtv-iport-1.cisco.com (mtv-iport-1.cisco.com [173.36.130.12]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "mtv-iport-1.cisco.com", Issuer "Cisco SSCA2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id DC14D201B52; Wed, 9 May 2012 13:06:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=fred@cisco.com; l=632; q=dns/txt; s=iport; t=1336594004; x=1337803604; h=subject:mime-version:from:in-reply-to:date:cc:message-id: references:to:content-transfer-encoding; bh=sLPNXz4GVi/Q7OwLYZOzoe3nt2AOJkDtUxXgNtcx+3E=; b=VRqsNhvIRoxmEJY73RDf2FNXJ+pp2LuoHBHX4p4pQDe8nFctUJJr8J4X ST7+QeIfiLMuZKbWakoHLFExkuRwF/3F2EXaCpumlUikBbLwzEndN6VSU b5sg9TAxQKTCWaUCOuRn1Z/GKnJT2crWbULHS2f1s3YyGbFUkonZg0E0v w=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av0EAEvNqk+rRDoJ/2dsb2JhbABEsz2BB4IMAQEBAwESASc/BQsLRlcGNYdnBJtbjWGSOIsMhS9jBIhkjRmFdohigWmDBw X-IronPort-AV: E=Sophos;i="4.75,559,1330905600"; d="scan'208";a="41055091" Received: from mtv-core-4.cisco.com ([171.68.58.9]) by mtv-iport-1.cisco.com with ESMTP; 09 May 2012 20:06:42 +0000 Received: from Freds-Computer.local (sjc-vpn7-1308.cisco.com [10.21.149.28]) by mtv-core-4.cisco.com (8.14.3/8.14.3) with ESMTP id q49K6eFS030479; Wed, 9 May 2012 20:06:41 GMT Received: from [127.0.0.1] by Freds-Computer.local (PGP Universal service); Wed, 09 May 2012 15:06:42 -0500 X-PGP-Universal: processed; by Freds-Computer.local on Wed, 09 May 2012 15:06:42 -0500 Mime-Version: 1.0 (Apple Message framework v1084) From: Fred Baker In-Reply-To: <4FA9FDC0.9010600@superduper.net> Date: Wed, 9 May 2012 15:06:31 -0500 Message-Id: <44673AC5-4320-4C19-9788-87A63C47549D@cisco.com> References: <4FA9FDC0.9010600@superduper.net> To: Simon Barber X-Mailer: Apple Mail (2.1084) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Mailman-Approved-At: Wed, 09 May 2012 13:13:06 -0700 Cc: codel@lists.bufferbloat.net, bloat Subject: Re: [Codel] [Bloat] The challenge X-BeenThere: codel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: CoDel AQM discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 May 2012 20:06:44 -0000 On May 9, 2012, at 12:16 AM, Simon Barber wrote: > One question now remains - will codel AQM be sufficient on it's own in = getting delays down to levels that users are happy with for the common = latency sensitive interactive traffic - VoIP, gaming and Skype for = example - or are the further reductions that can be had with traffic = classification and smart queuing algorithms necessary? In my opinion, AQM is enough to get traffic into the "reasonable" range, = but if you're looking for a specific SLA that might be applicable to = gaming etc, you will need to do some engineering in terms of diffserv = etc.=