From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: inetpeer with create==0 Date: Thu, 03 Mar 2011 00:34:17 -0800 (PST) Message-ID: <20110303.003417.35058314.davem@davemloft.net> References: <20110302.224220.179921025.davem@davemloft.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: eric.dumazet@gmail.com, netdev@vger.kernel.org To: xiaosuo@gmail.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:40318 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754261Ab1CCIdk (ORCPT ); Thu, 3 Mar 2011 03:33:40 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: Changli Gao Date: Thu, 3 Mar 2011 16:07:32 +0800 > After routing cache is removed totally, Linux is still unsuitable for > use as a router on the core internet. Because it isn't a realtime OS, > and the forwarding delay isn't bounded. With routing cache, the memory > cost isn't bounded too. :) With many cores, pipe can be filled no problem, because with multi-core machine routing lookup proceeds just like Cisco router makes in hardware. I wrote about this in my blog a few years ago.