From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vn0-x22d.google.com (mail-vn0-x22d.google.com [IPv6:2607:f8b0:400c:c0f::22d]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 429F321F294 for ; Wed, 3 Jun 2015 08:53:56 -0700 (PDT) Received: by vnbg62 with SMTP id g62so1670273vnb.4 for ; Wed, 03 Jun 2015 08:53:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=EOn5WR8qDpkCEpbA8ke6LN0JT5DwZewWPJ+O/pABmMA=; b=qN+pmrHQpMkpdaznknPRZUlv0xrT9OL/azrU4L02HiedrNtU5NxpwiL/sgYE9/a1A3 uqxRQeC4K/Xt+ps96JhWRqQu1YB1s4hWGyKohdql/aJsrI80fjfT9H3YopahELWtlHLG +KyB7AH21k5uWjWhbX23nkWop86aOlzefyvkOhvgS7d0gva2D0jG3jazawpA/8rYLrHR ZvklAh3usidTpkxgF/Aowgo8GbJfZ+ElNlMkhWD8K9hKk4cyYWT8RmLdAAB6QyQE+WGV kY7EfAQnxts8ve27YENJ4EdJaAH6gs8U9Y2bzS96ISLUTIjBPuTC75dJmA6zG88MfTTD cl3g== MIME-Version: 1.0 X-Received: by 10.52.251.107 with SMTP id zj11mr40680536vdc.96.1433346834993; Wed, 03 Jun 2015 08:53:54 -0700 (PDT) Received: by 10.52.12.167 with HTTP; Wed, 3 Jun 2015 08:53:54 -0700 (PDT) Received: by 10.52.12.167 with HTTP; Wed, 3 Jun 2015 08:53:54 -0700 (PDT) In-Reply-To: References: Date: Wed, 3 Jun 2015 18:53:54 +0300 Message-ID: From: Jonathan Morton To: Aaron Wood Content-Type: multipart/alternative; boundary=001a1134d45ef09afc05179f10d8 Cc: cerowrt-devel Subject: Re: [Cerowrt-devel] ingress rate limiting falling short X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Jun 2015 15:54:24 -0000 --001a1134d45ef09afc05179f10d8 Content-Type: text/plain; charset=UTF-8 > On the 3800, it never meets the rate, but it's only off by maybe 5%. That's about right for Ethernet, IPv4 and TCP header overheads with 1500 MTU. The measured throughput is application level, while HTB controls at the Ethernet level. - Jonathan Morton --001a1134d45ef09afc05179f10d8 Content-Type: text/html; charset=UTF-8

> On the 3800, it never meets the rate, but it's only off by maybe 5%.

That's about right for Ethernet, IPv4 and TCP header overheads with 1500 MTU. The measured throughput is application level, while HTB controls at the Ethernet level.

- Jonathan Morton

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