From alexandru.petrescu@gmail.com Thu Dec 10 06:23:29 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id B515D3A6883 for ; Thu, 10 Dec 2009 06:23:29 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.293 X-Spam-Level: X-Spam-Status: No, score=-2.293 tagged_above=-999 required=5 tests=[AWL=-0.044, BAYES_00=-2.599, HELO_EQ_FR=0.35] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mFpNKskcdxVk for ; Thu, 10 Dec 2009 06:23:28 -0800 (PST) Received: from cirse-out.extra.cea.fr (cirse-out.extra.cea.fr [132.166.172.106]) by core3.amsl.com (Postfix) with ESMTP id 7B6AB3A69D1 for ; Thu, 10 Dec 2009 06:23:28 -0800 (PST) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by cirse.extra.cea.fr (8.14.2/8.14.2/CEAnet-Internet-out-2.0) with ESMTP id nBAENFhe012253 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 10 Dec 2009 15:23:15 +0100 Received: from muguet1.intra.cea.fr (muguet1.intra.cea.fr [132.166.192.6]) by pisaure.intra.cea.fr (8.14.2/8.14.2) with ESMTP id nBAENENi025504; Thu, 10 Dec 2009 15:23:14 +0100 (envelope-from alexandru.petrescu@gmail.com) Received: from [127.0.0.1] ([132.166.133.173]) by muguet1.intra.cea.fr (8.13.8/8.13.8/CEAnet-Intranet-out-1.1) with ESMTP id nBAENDk2002754; Thu, 10 Dec 2009 15:23:14 +0100 Message-ID: <4B210451.6090709@gmail.com> Date: Thu, 10 Dec 2009 15:23:13 +0100 From: Alexandru Petrescu User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: mif@ietf.org References: <20091019203001.A0BC83A6960@core3.amsl.com> In-Reply-To: <20091019203001.A0BC83A6960@core3.amsl.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Dec 2009 14:23:29 -0000 MIFers, I have some comments on draft-ietf-mif-current-practices-00. First, I am happy it exists and seems very relevant to some needs. Section "3.2.2. Linux and BSD-based Operating Systems" basically talks DHCP and the problem of most implementations using a single default route. I agree with it. However, I would list more in this section. When someone tries in practice to use multiple interfaces on linux one gets quickly also to the following tools: -bridging brconf -"bonding" -tc These have certain disadvantages, for example brconf only repeats packets from one interface to another whereas what I want is to receive packets from both interfaces to a 3rd interface. "bonding" does that a little bit, but only works on Ethernet, it doesn't work with a ppp0 interface, for example. About tc I am not yet sure. There may be other tools I am not aware of and I would like to learn about for using multiple interfaces simultaneously. Alex Internet-Drafts@ietf.org a écrit : > A New Internet-Draft is available from the on-line Internet-Drafts directories. > This draft is a work item of the Multiple Interfaces Working Group of the IETF. > > > Title : Current Practices for Multiple Interface Hosts > Author(s) : M. Wasserman > Filename : draft-ietf-mif-current-practices-00.txt > Pages : 16 > Date : 2009-10-19 > > An increasing number of hosts are operating in multiple-interface > environments, where different network interfaces are providing > unequal levels of service or connectivity. This document summarizes > current practices in this area, and describes in detail how some > common operating systems cope with these challenges. > > A URL for this Internet-Draft is: > http://www.ietf.org/internet-drafts/draft-ietf-mif-current-practices-00.txt > > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet-drafts/ > > Below is the data which will enable a MIME compliant mail reader > implementation to automatically retrieve the ASCII version of the > Internet-Draft. > > > ------------------------------------------------------------------------ > > _______________________________________________ > I-D-Announce mailing list > I-D-Announce@ietf.org > https://www.ietf.org/mailman/listinfo/i-d-announce > Internet-Draft directories: http://www.ietf.org/shadow.html > or ftp://ftp.ietf.org/ietf/1shadow-sites.txt From wudiyetc@gmail.com Fri Dec 11 00:27:36 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 76A0528B56A for ; Fri, 11 Dec 2009 00:27:36 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.598 X-Spam-Level: X-Spam-Status: No, score=-2.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LyTHO9-qL2IB for ; Fri, 11 Dec 2009 00:27:35 -0800 (PST) Received: from mail-pz0-f176.google.com (mail-pz0-f176.google.com [209.85.222.176]) by core3.amsl.com (Postfix) with ESMTP id 68A4E3A68FA for ; Fri, 11 Dec 2009 00:27:35 -0800 (PST) Received: by pzk6 with SMTP id 6so502520pzk.29 for ; Fri, 11 Dec 2009 00:27:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:date:from:to:cc:subject :message-id:x-mailer:mime-version:content-type; bh=ZNCLsXo7xIMYNsvidzfMJvzfuav6j06kJ9F+pRR+nj4=; b=S8psC9o+qrDotVUKanXrgeS9HwFmMN69fI8mrjwqc5SxZC4SbYhttX6XzdLp3dh6fQ usEjw7sJzs28rWEHkbBwnxHWEltlQ6qHMDhWQ2FtHsEVF1vxaktbwVa2GjyVB1C7P5g7 EKtWPdUWDdEpJKfpmJ4kx5vHxP0r6dcydPEm0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:x-mailer:mime-version :content-type; b=ApVCch6BPAr6aBv3+ga6W8akBq4/WKHzR/6CcG0vYFo22fAHWnFVZMZp8RPIS8EkAy 1IdvHU5U4NdjEsazqjhxzobMwCvsw2lGow87+ONiIndgzwc8rPFSgfdJ4zcyhRWdl3oR 86UIDSDCqB78z8I6iRnhBJ0JGc4aZxW3nN4Zk= Received: by 10.142.250.21 with SMTP id x21mr618069wfh.169.1260520039959; Fri, 11 Dec 2009 00:27:19 -0800 (PST) Received: from bupt-feng ([125.33.184.163]) by mx.google.com with ESMTPS id 20sm1570119pzk.9.2009.12.11.00.27.13 (version=SSLv3 cipher=RC4-MD5); Fri, 11 Dec 2009 00:27:17 -0800 (PST) Date: Fri, 11 Dec 2009 16:27:14 +0800 From: "wudiyetc" To: "Alexandru Petrescu" Message-ID: <200912111627087805586@gmail.com> X-mailer: Foxmail 6, 15, 201, 22 [cn] Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="=====003_Dragon768650647130_=====" Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Dec 2009 08:27:36 -0000 This is a multi-part message in MIME format. --=====003_Dragon768650647130_===== Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Hello Alex: I think mif hope to talk about the host attched to multiple networks, so each interface of the host may be assigned different addresses, but "bonding" require every interfaces have the same address. So I personally think that it is not suitable to contain it. Regards Wudi Ye >MIFers, > >I have some comments on draft-ietf-mif-current-practices-00. > >First, I am happy it exists and seems very relevant to some needs. > >Section "3.2.2. Linux and BSD-based Operating Systems" basically talks >DHCP and the problem of most implementations using a single default >route. I agree with it. > >However, I would list more in this section. When someone tries in >practice to use multiple interfaces on linux one gets quickly also to >the following tools: > >-bridging brconf >-"bonding" >-tc > >These have certain disadvantages, for example brconf only repeats >packets from one interface to another whereas what I want is to receive >packets from both interfaces to a 3rd interface. "bonding" does that a >little bit, but only works on Ethernet, it doesn't work with a ppp0 >interface, for example. About tc I am not yet sure. > >There may be other tools I am not aware of and I would like to learn >about for using multiple interfaces simultaneously. > >Alex > >Internet-Drafts@ietf.org a ?crit : >> A New Internet-Draft is available from the on-line Internet-Drafts directories. >> This draft is a work item of the Multiple Interfaces Working Group of the IETF. >> >> >> Title : Current Practices for Multiple Interface Hosts >> Author(s) : M. Wasserman >> Filename : draft-ietf-mif-current-practices-00.txt >> Pages : 16 >> Date : 2009-10-19 >> >>An increasing number of hosts are operating in multiple-interface >> environments, where different network interfaces are providing >> unequal levels of service or connectivity. This document summarizes >> current practices in this area, and describes in detail how some >> common operating systems cope with these challenges. >> >> A URL for this Internet-Draft is: >> http://www.ietf.org/internet-drafts/draft-ietf-mif-current-practices-00.txt >> >> Internet-Drafts are also available by anonymous FTP at: >> ftp://ftp.ietf.org/internet-drafts/ >> >> Below is the data which will enable a MIME compliant mail reader >> implementation to automatically retrieve the ASCII version of the >> Internet-Draft. >> >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> I-D-Announce mailing list >> I-D-Announce@ietf.org >> https://www.ietf.org/mailman/listinfo/i-d-announce >> Internet-Draft directories: http://www.ietf.org/shadow.html >> or ftp://ftp.ietf.org/ietf/1shadow-sites.txt --=====003_Dragon768650647130_===== Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: 7bit
Hello Alex:
       I think mif hope to talk about the host attched to multiple networks, so each interface of the host may be assigned different addresses, but "bonding" require every interfaces have the same address. So I personally think that  it is not suitable to contain it.
 
Regards
Wudi Ye
 
 
>MIFers,
>
>I have some comments on draft-ietf-mif-current-practices-00.
>
>First, I am happy it exists and seems very relevant to some needs.
>
>Section "3.2.2.  Linux and BSD-based Operating Systems" basically talks
>DHCP and the problem of most implementations using a single default
>route.  I agree with it.
>
>However, I would list more in this section.  When someone tries in
>practice to use multiple interfaces on linux one gets quickly also to
>the following tools:
>
>-bridging brconf
>-"bonding"
>-tc
>
>These have certain disadvantages, for example brconf only repeats
>packets from one interface to another whereas what I want is to receive
>packets from both interfaces to a 3rd interface.  "bonding" does that a
>little bit, but only works on Ethernet, it doesn't work with a ppp0
>interface, for example.  About tc I am not yet sure.
>
>There may be other tools I am not aware of and I would like to learn
>about for using multiple interfaces simultaneously.
>
>Alex
>
>Internet-Drafts@ietf.org a ?crit :
>> A New Internet-Draft is available from the on-line Internet-Drafts directories.
>> This draft is a work item of the Multiple Interfaces Working Group of the IETF.
>>
>>
>> Title           : Current Practices for Multiple Interface Hosts
>> Author(s)       : M. Wasserman
>> Filename        : draft-ietf-mif-current-practices-00.txt
>> Pages           : 16
>> Date            : 2009-10-19
>>
>>An increasing number of hosts are operating in multiple-interface
>> environments, where different network interfaces are providing
>> unequal levels of service or connectivity.  This document summarizes
>> current practices in this area, and describes in detail how some
>> common operating systems cope with these challenges.
>>
>> A URL for this Internet-Draft is:
>> http://www.ietf.org/internet-drafts/draft-ietf-mif-current-practices-00.txt
>>
>> Internet-Drafts are also available by anonymous FTP at:
>> ftp://ftp.ietf.org/internet-drafts/
>>
>> Below is the data which will enable a MIME compliant mail reader
>> implementation to automatically retrieve the ASCII version of the
>> Internet-Draft.
>>
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> I-D-Announce mailing list
>> I-D-Announce@ietf.org
>> https://www.ietf.org/mailman/listinfo/i-d-announce
>> Internet-Draft directories: http://www.ietf.org/shadow.html
>> or ftp://ftp.ietf.org/ietf/1shadow-sites.txt
--=====003_Dragon768650647130_=====-- From alexandru.petrescu@gmail.com Fri Dec 11 02:30:34 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 1A9EF3A69B5 for ; Fri, 11 Dec 2009 02:30:34 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.291 X-Spam-Level: X-Spam-Status: No, score=-2.291 tagged_above=-999 required=5 tests=[AWL=-0.042, BAYES_00=-2.599, HELO_EQ_FR=0.35] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id iXEev1ENLcFf for ; Fri, 11 Dec 2009 02:30:33 -0800 (PST) Received: from cirse-out.extra.cea.fr (cirse-out.extra.cea.fr [132.166.172.106]) by core3.amsl.com (Postfix) with ESMTP id D39673A68F5 for ; Fri, 11 Dec 2009 02:30:32 -0800 (PST) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by cirse.extra.cea.fr (8.14.2/8.14.2/CEAnet-Internet-out-2.0) with ESMTP id nBBAUJLb023434 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 11 Dec 2009 11:30:19 +0100 Received: from muguet2.intra.cea.fr (muguet2.intra.cea.fr [132.166.192.7]) by pisaure.intra.cea.fr (8.14.2/8.14.2) with ESMTP id nBBAUJLg005153; Fri, 11 Dec 2009 11:30:19 +0100 (envelope-from alexandru.petrescu@gmail.com) Received: from [127.0.0.1] ([132.166.133.173]) by muguet2.intra.cea.fr (8.13.8/8.13.8/CEAnet-Intranet-out-1.1) with ESMTP id nBBAUIW8026195; Fri, 11 Dec 2009 11:30:18 +0100 Message-ID: <4B221F39.5040604@gmail.com> Date: Fri, 11 Dec 2009 11:30:17 +0100 From: Alexandru Petrescu User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: wudiyetc References: <200912111627087805586@gmail.com> In-Reply-To: <200912111627087805586@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Dec 2009 10:30:34 -0000 wudiyetc a écrit : > Hello Alex: > I think mif hope to talk about the host attched to multiple > networks, so each interface of the host may be assigned different > addresses, but "bonding" require every interfaces have the same address. > So I personally think that it is not suitable to contain it. Hm, that's right, I think "bonding" will put the same address on two or more interfaces of same host. I wouldn't discard its relevance for section 3.2.2, though. I mean, I do not think DHCP is the only relevant tool for section 3.2.2. Do you think DHCP is the only tool one has to consider when looking at several interfaces? What are the other existing linux software one uses directly when trying to use multiple interfaces? ebtables? iptables? What software do _you_ use for this goal? Another example, if the type of the multiple interfaces is wifi then hostap and iwconfig must be considered as well. Multiple ESSID vs multiple VLANs on same ESSID is something which guide the way subnets and addresses are allocated. Just some thoughts, thanks, Alex > > Regards > Wudi Ye > > > >MIFers, > > > >I have some comments on draft-ietf-mif-current-practices-00. > > > >First, I am happy it exists and seems very relevant to some needs. > > > >Section "3.2.2. Linux and BSD-based Operating Systems" basically talks > >DHCP and the problem of most implementations using a single default > >route. I agree with it. > > > >However, I would list more in this section. When someone tries in > >practice to use multiple interfaces on linux one gets quickly also to > >the following tools: > > > >-bridging brconf > >-"bonding" > >-tc > > > >These have certain disadvantages, for example brconf only repeats > >packets from one interface to another whereas what I want is to receive > >packets from both interfaces to a 3rd interface. "bonding" does that a > >little bit, but only works on Ethernet, it doesn't work with a ppp0 > >interface, for example. About tc I am not yet sure. > > > >There may be other tools I am not aware of and I would like to learn > >about for using multiple interfaces simultaneously. > > > >Alex > > > >Internet-Drafts@ietf.org a ?crit : > >> A New Internet-Draft is available from the on-line Internet-Drafts > directories. > >> This draft is a work item of the Multiple Interfaces Working Group > of the IETF. > >> > >> > >> Title : Current Practices for Multiple Interface Hosts > >> Author(s) : M. Wasserman > >> Filename : draft-ietf-mif-current-practices-00.txt > >> Pages : 16 > >> Date : 2009-10-19 > >> > >>An increasing number of hosts are operating in multiple-interface > >> environments, where different network interfaces are providing > >> unequal levels of service or connectivity. This document summarizes > >> current practices in this area, and describes in detail how some > >> common operating systems cope with these challenges. > >> > >> A URL for this Internet-Draft is: > >> > http://www.ietf.org/internet-drafts/draft-ietf-mif-current-practices-00.txt > >> > >> Internet-Drafts are also available by anonymous FTP at: > >> ftp://ftp.ietf.org/internet-drafts/ > >> > >> Below is the data which will enable a MIME compliant mail reader > >> implementation to automatically retrieve the ASCII version of the > >> Internet-Draft. > >> > >> > >> ------------------------------------------------------------------------ > >> > >> _______________________________________________ > >> I-D-Announce mailing list > >> I-D-Announce@ietf.org > >> https://www.ietf.org/mailman/listinfo/i-d-announce > >> Internet-Draft directories: http://www.ietf.org/shadow.html > >> or ftp://ftp.ietf.org/ietf/1shadow-sites.txt From mrw@sandstorm.net Sun Dec 13 13:55:05 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 6B93B3A68D2 for ; Sun, 13 Dec 2009 13:55:05 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.604 X-Spam-Level: X-Spam-Status: No, score=-1.604 tagged_above=-999 required=5 tests=[AWL=-0.828, BAYES_05=-1.11, IP_NOT_FRIENDLY=0.334] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 93BL3ngyWPNB for ; Sun, 13 Dec 2009 13:55:04 -0800 (PST) Received: from sirocco.sandstorm.net (sirocco.sandstorm.net [69.33.111.75]) by core3.amsl.com (Postfix) with ESMTP id A81863A6835 for ; Sun, 13 Dec 2009 13:55:04 -0800 (PST) Received: from [10.36.0.42] (pool-98-110-239-206.bstnma.fios.verizon.net [98.110.239.206]) (authenticated bits=0) by sirocco.sandstorm.net (8.13.8/8.13.8) with ESMTP id nBDLseuY070998 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=NO); Sun, 13 Dec 2009 16:54:43 -0500 (EST) (envelope-from mrw@sandstorm.net) Message-Id: From: Margaret Wasserman To: Alexandru Petrescu In-Reply-To: <4B210451.6090709@gmail.com> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v936) Date: Sun, 13 Dec 2009 16:54:38 -0500 References: <20091019203001.A0BC83A6960@core3.amsl.com> <4B210451.6090709@gmail.com> X-Mailer: Apple Mail (2.936) Cc: mif@ietf.org Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 13 Dec 2009 21:55:05 -0000 Hi Alexandru, On Dec 10, 2009, at 9:23 AM, Alexandru Petrescu wrote: > > Section "3.2.2. Linux and BSD-based Operating Systems" basically > talks DHCP and the problem of most implementations using a single > default route. I agree with it. > > However, I would list more in this section. When someone tries in > practice to use multiple interfaces on linux one gets quickly also > to the following tools: > > -bridging brconf > -"bonding" > -tc This is a good idea. I will add what I know about these things, and hopefully others can chime in with further details. Margaret From wudiyetc@gmail.com Mon Dec 14 04:00:35 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 3FC293A688D for ; Mon, 14 Dec 2009 04:00:35 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.722 X-Spam-Level: X-Spam-Status: No, score=-1.722 tagged_above=-999 required=5 tests=[AWL=-0.876, BAYES_00=-2.599, HTML_MESSAGE=0.001, MIME_BASE64_TEXT=1.753] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tEqVNz4EDvST for ; Mon, 14 Dec 2009 04:00:34 -0800 (PST) Received: from mail-pz0-f176.google.com (mail-pz0-f176.google.com [209.85.222.176]) by core3.amsl.com (Postfix) with ESMTP id 164453A63EB for ; Mon, 14 Dec 2009 04:00:34 -0800 (PST) Received: by pzk6 with SMTP id 6so2090965pzk.29 for ; Mon, 14 Dec 2009 04:00:18 -0800 (PST) DKIM-Signature: v=1; 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-0800 (PST) Date: Mon, 14 Dec 2009 19:59:33 +0800 From: "Wudi Ye" To: "mif" References: <200912111627087805586@gmail.com>, <200912132132002654426@gmail.com> Message-ID: <200912141959298286008@gmail.com> X-mailer: Foxmail 6, 15, 201, 22 [cn] Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="=====003_Dragon533826853766_=====" Subject: [mif] Fw: Re: I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Dec 2009 12:00:35 -0000 This is a multi-part message in MIME format. --=====003_Dragon533826853766_===== Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: base64 DQpJIGZvcmdvdCB0byBDYyB0aGUgbWFpbCB0byB0aGUgbWFpbGxpc3QgYmVmb3JlLg0KDQoNCkhl bGxvLCBBbGV4Og0KDQogICAgIHBsZWFzZSBzZWUgaW5saW5lLg0KDQpyZWdhcmRzLg0KV3VkaSBZ 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(PST) Received: from bupt-feng ([221.218.198.231]) by mx.google.com with ESMTPS id 23sm4970106pzk.12.2009.12.14.04.02.17 (version=SSLv3 cipher=RC4-MD5); Mon, 14 Dec 2009 04:02:30 -0800 (PST) Date: Mon, 14 Dec 2009 20:02:18 +0800 From: "wudiyetc" To: "mif" References: <200912111627087805586@gmail.com>, <200912132132002654426@gmail.com>, <4B252AC4.20708@gmail.com> Message-ID: <200912142002006716440@gmail.com> X-mailer: Foxmail 6, 15, 201, 22 [cn] Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="=====003_Dragon037282641866_=====" Subject: [mif] Fw: Re: I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Dec 2009 12:02:49 -0000 This is a multi-part message in MIME format. --=====003_Dragon037282641866_===== Content-Type: text/plain; charset="iso-8859-1" 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<200912111627087805586@gmail.com>, <200912132132002654426@gmail.com> Message-ID: <200912142043119370987@gmail.com> X-mailer: Foxmail 6, 15, 201, 22 [cn] Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="=====003_Dragon184754472638_=====" Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Dec 2009 12:44:18 -0000 This is a multi-part message in MIME format. --=====003_Dragon184754472638_===== Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: base64 DQpIZWxsbyAsQWxleDoNCg0KICAgICAgIEFkdmFuY2VkIFNvY2tldCBBUEkgYWxzbyBjYW4gYmUg dXNlIGZvciBtdWx0aXBsZSBpbnRlcmZhY2UuIA0KQW5kIGlmIERIQ1AgU2VydmVyIGlzbid0IGRl cGxveWVkIGluIHRoZSBzdWJuZXQsIHRoZSBORFAgbWF5IGJlIHVzZWQuDQpJcyB0aGlzIHdyb25n 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Jm5ic3A7Jm5ic3A7PC9ESVY+DQo8RElWPjwvRElWPjwvRk9OVD48L0RJVj48L0JPRFk+PC9IVE1M Pg0K --=====003_Dragon184754472638_=====-- From alexandru.petrescu@gmail.com Mon Dec 14 14:07:14 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 2CBAB3A6826 for ; Mon, 14 Dec 2009 14:07:14 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.813 X-Spam-Level: X-Spam-Status: No, score=-1.813 tagged_above=-999 required=5 tests=[AWL=0.436, BAYES_00=-2.599, HELO_EQ_FR=0.35] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sMKeKrtyyQul for ; Mon, 14 Dec 2009 14:07:12 -0800 (PST) Received: from smtp5-g21.free.fr (smtp5-g21.free.fr [212.27.42.5]) by core3.amsl.com (Postfix) with ESMTP id 945343A67AA for ; Mon, 14 Dec 2009 14:07:10 -0800 (PST) Received: from smtp5-g21.free.fr (localhost [127.0.0.1]) by smtp5-g21.free.fr (Postfix) with ESMTP id 72E2FD48031; Mon, 14 Dec 2009 23:06:53 +0100 (CET) Received: from [127.0.0.1] (bur91-3-82-239-213-32.fbx.proxad.net [82.239.213.32]) by smtp5-g21.free.fr (Postfix) with ESMTP id 0470BD480B9; Mon, 14 Dec 2009 23:06:50 +0100 (CET) Message-ID: <4B26B6F9.6050101@gmail.com> Date: Mon, 14 Dec 2009 23:06:49 +0100 From: Alexandru Petrescu User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: wudiyetc References: <200912111627087805586@gmail.com>, <200912132132002654426@gmail.com> <200912142043119370987@gmail.com> In-Reply-To: <200912142043119370987@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Antivirus: avast! (VPS 091214-1, 14/12/2009), Outbound message X-Antivirus-Status: Clean Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Dec 2009 22:07:14 -0000 wudiyetc a écrit : > > Hello ,Alex: > > Advanced Socket API also can be use for multiple interface. And if > DHCP Server isn't deployed in the subnet, the NDP may be used. Is > this wrong? WEll I guess yes, Neighbor Discovery and stateless address auto-configuration may be used sometimes instead of DHCPv6. That will however configure a single default route on the end host (precisely as DHCPv6 does) and, moreover, the end host typically uses a single entry in the list of entries default route in the routing table. (i.e. even if there are multiple entries of default routes in the routing table only the first is typically used). I am trying to find out what are the existing software tools for configuring the simultaneous use of several outgoing interfaces. Alex > > Wudi Ye > > > >> Wudi Ye a écrit : >>> Hello, Alex: >>> >>> please see inline. >>> >>> regards. Wudi Ye. >>> >>> >>>> wudiyetc a écrit : >>>>> Hello Alex: I think mif hope to talk about the host attched >>>>> to multiple networks, so each interface of the host may be >>>>> assigned different addresses, but "bonding" require every >>>>> interfaces have the same address. So I personally think that >>>>> it is not suitable to contain it. >>>> Hm, that's right, I think "bonding" will put the same address >>>> on two or more interfaces of same host. >>> >>> I think so. >>> >>>> I wouldn't discard its relevance for section 3.2.2, though. >>> >>> "Bonding" can't be used in the scene that the host attaches >>> multiple provision domain which is discribed in the MIF charter. >>> So I think not necessary to add it in the section3.2.2. >> Ok... >>>> I mean, I do not think DHCP is the only relevant tool for >>>> section 3.2.2. Do you think DHCP is the only tool one has to >>>> consider when looking at several interfaces? What are the >>>> other existing linux software one uses directly when trying to >>>> use multiple interfaces? ebtables? iptables? What software do >>>> _you_ use for this goal? >>> >>> I agree with you, and I think DHCP is a method to transfer route >>> selection policy/address selection policy , iptables or other >>> tools can be used for configure the host base the policy which is >>> received through DHCP or other tool. We should list more tools in >>> section3.2.2 , but not beyond is as wrong as falling . >> Ok. >>>> Another example, if the type of the multiple interfaces is wifi >>>> then hostap and iwconfig must be considered as well. Multiple >>>> ESSID vs multiple VLANs on same ESSID is something which guide >>>> the way subnets and addresses are allocated. >>> >>> I have no idea. >> Ok, hostap and iwconfig with multiple interfaces would also fall >> within the scope of same administrative domain, so probably >> irrelevant to mif. Still, I am wondering which other software tool >> (other than dhcp tools) would one start with, when trying to deal >> with multiple interfaces. Alex >>> >>>> Just some thoughts, thanks, Alex >>>>> >>>>> Regards Wudi Ye >>>>> >>>>> >>>>>> MIFers, >>>>>> >>>>>> I have some comments on >>>>>> draft-ietf-mif-current-practices-00. >>>>>> >>>>>> First, I am happy it exists and seems very relevant to some >>>>>> needs. >>>>>> >>>>>> Section "3.2.2. Linux and BSD-based Operating Systems" >>>>>> basically talks DHCP and the problem of most >>>>>> implementations using a single default route. I agree with >>>>>> it. >>>>>> >>>>>> However, I would list more in this section. When someone >>>>>> tries in practice to use multiple interfaces on linux one >>>>>> gets quickly also to the following tools: >>>>>> >>>>>> -bridging brconf -"bonding" -tc >>>>>> >>>>>> These have certain disadvantages, for example brconf only >>>>>> repeats packets from one interface to another whereas what >>>>>> I want is to receive packets from both interfaces to a 3rd >>>>>> interface. "bonding" does that a little bit, but only >>>>>> works on Ethernet, it doesn't work with a ppp0 interface, >>>>>> for example. About tc I am not yet sure. >>>>>> >>>>>> There may be other tools I am not aware of and I would like >>>>>> to learn about for using multiple interfaces >>>>>> simultaneously. >>>>>> >>>>>> Alex >>>>>> >>>>>> Internet-Drafts@ietf.org a ?crit : >>>>>>> A New Internet-Draft is available from the on-line >>>>>>> Internet-Drafts >>>> directories. >>>>>>> This draft is a work item of the Multiple Interfaces >>>>>>> Working Group >>>> of the IETF. >>>>>>> >>>>>>> >>>>>>> Title : Current Practices for Multiple >>>>>>> Interface Hosts Author(s) : M. Wasserman Filename >>>>>>> : draft-ietf-mif-current-practices-00.txt Pages >>>>>>> : 16 Date : 2009-10-19 >>>>>>> >>>>>>> An increasing number of hosts are operating in >>>>>>> multiple-interface environments, where different network >>>>>>> interfaces are providing unequal levels of service or >>>>>>> connectivity. This document summarizes current practices >>>>>>> in this area, and describes in detail how some common >>>>>>> operating systems cope with these challenges. >>>>>>> >>>>>>> A URL for this Internet-Draft is: >>>>>>> >>>> http://www.ietf.org/internet-drafts/draft-ietf-mif-current-practices-00.txt >>>> >>>>>>> >>>>>>> Internet-Drafts are also available by anonymous FTP at: >>>>>>> ftp://ftp.ietf.org/internet-drafts/ >>>>>>> >>>>>>> Below is the data which will enable a MIME compliant mail >>>>>>> reader implementation to automatically retrieve the ASCII >>>>>>> version of the Internet-Draft. >>> From julienl@qualcomm.com Mon Dec 14 14:20:52 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id E627F3A686B for ; Mon, 14 Dec 2009 14:20:52 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -103.509 X-Spam-Level: X-Spam-Status: No, score=-103.509 tagged_above=-999 required=5 tests=[AWL=-0.910, BAYES_00=-2.599, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YDw11Ec3EfJd for ; Mon, 14 Dec 2009 14:20:51 -0800 (PST) Received: from wolverine02.qualcomm.com (wolverine02.qualcomm.com [199.106.114.251]) by core3.amsl.com (Postfix) with ESMTP id 4415D3A6868 for ; Mon, 14 Dec 2009 14:20:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=qualcomm.com; i=julienl@qualcomm.com; q=dns/txt; s=qcdkim; t=1260829238; x=1292365238; h=from:to:cc:date:subject:thread-topic:thread-index: message-id:references:in-reply-to:accept-language: content-language:x-ms-has-attach:x-ms-tnef-correlator: acceptlanguage:content-type:content-transfer-encoding: mime-version; z=From:=20"Laganier,=20Julien"=20 |To:=20Alexandru=20Petrescu=20,=0D=0A=20=20=20=20=20=20=20=20wudiyetc=0D=0A=09|CC:=20mif=20|Date:=20Mon,=20 14=20Dec=202009=2014:20:36=20-0800|Subject:=20RE:=20[mif] =20I-D=20Action:draft-ietf-mif-current-practices-00.txt |Thread-Topic:=20[mif]=20I-D=20Action:draft-ietf-mif-curr ent-practices-00.txt|Thread-Index:=20Acp9CcZYr6KZVvq5T+i3 zyaBREOL/wAAYcMg|Message-ID:=20 |References:=20<200912111627087805586@gmail.com>,=0D=0A =09<200912132132002654426@gmail.com>=20<20091214204311937 0987@gmail.com>=0D=0A=20<4B26B6F9.6050101@gmail.com> |In-Reply-To:=20<4B26B6F9.6050101@gmail.com> |Accept-Language:=20en-US|Content-Language:=20en-US |X-MS-Has-Attach:|X-MS-TNEF-Correlator:|acceptlanguage: =20en-US|Content-Type:=20text/plain=3B=20charset=3D"iso-8 859-1"|Content-Transfer-Encoding:=20quoted-printable |MIME-Version:=201.0; bh=ehjxGMeVRE9hPLh+gfhKCDhZImiaMB3h3gDwL0cOOHo=; b=K/xD3IK4zDoXWeE10r9XTIamN71nSFtKVc8hz7s3BHl5hQ3cCRHhBu4H aIhjgWnb5kmfYvp9pUh3PWVMSmNgyIldm5+npA4iySpd8PiT+t7oiVO3d GGgc5matyx77/UpjOlpTpbwYlmbwTrnsaCQ9KzyZuhfvGEGdxiDQkLCHR E=; X-IronPort-AV: E=McAfee;i="5400,1158,5832"; a="29903815" Received: from pdmz-ns-mip.qualcomm.com (HELO ithilien.qualcomm.com) ([199.106.114.10]) by wolverine02.qualcomm.com with ESMTP; 14 Dec 2009 14:20:38 -0800 Received: from ironrogue.qualcomm.com (ironrogue.qualcomm.com [129.46.61.164]) by ithilien.qualcomm.com (8.14.2/8.14.2/1.0) with ESMTP id nBEMKbDC028892 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL) for ; Mon, 14 Dec 2009 14:20:38 -0800 X-IronPort-AV: E=Sophos;i="4.47,397,1257148800"; d="scan'208";a="23086893" Received: from nasanexhub06.na.qualcomm.com ([129.46.134.254]) by ironrogue.qualcomm.com with ESMTP/TLS/RC4-MD5; 14 Dec 2009 14:20:37 -0800 Received: from nalasexhub01.na.qualcomm.com (10.47.130.49) by nasanexhub06.na.qualcomm.com (129.46.134.254) with Microsoft SMTP Server (TLS) id 8.2.176.0; Mon, 14 Dec 2009 14:20:37 -0800 Received: from NALASEXMB04.na.qualcomm.com ([10.47.7.114]) by nalasexhub01.na.qualcomm.com ([10.47.130.49]) with mapi; Mon, 14 Dec 2009 14:20:37 -0800 From: "Laganier, Julien" To: Alexandru Petrescu , wudiyetc Date: Mon, 14 Dec 2009 14:20:36 -0800 Thread-Topic: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt Thread-Index: Acp9CcZYr6KZVvq5T+i3zyaBREOL/wAAYcMg Message-ID: References: <200912111627087805586@gmail.com>, <200912132132002654426@gmail.com> <200912142043119370987@gmail.com> <4B26B6F9.6050101@gmail.com> In-Reply-To: <4B26B6F9.6050101@gmail.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Dec 2009 22:20:53 -0000 Alex,=20 RFC 4191 describes support for "Default Router Preferences and More-Specifi= c Routes" for Neighbor Discovery.=20 --julien > -----Original Message----- > From: mif-bounces@ietf.org [mailto:mif-bounces@ietf.org] On Behalf Of > Alexandru Petrescu > Sent: Monday, December 14, 2009 2:07 PM > To: wudiyetc > Cc: mif > Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt >=20 > wudiyetc a =E9crit : > > > > Hello ,Alex: > > > > Advanced Socket API also can be use for multiple interface. And if > > DHCP Server isn't deployed in the subnet, the NDP may be used. Is > > this wrong? >=20 > WEll I guess yes, Neighbor Discovery and stateless address > auto-configuration may be used sometimes instead of DHCPv6. That will > however configure a single default route on the end host (precisely as > DHCPv6 does) and, moreover, the end host typically uses a single entry > in the list of entries default route in the routing table. (i.e. even > if there are multiple entries of default routes in the routing table > only the first is typically used). >=20 > I am trying to find out what are the existing software tools for > configuring the simultaneous use of several outgoing interfaces. >=20 > Alex >=20 > > > > Wudi Ye > > > > > > > >> Wudi Ye a =E9crit : > >>> Hello, Alex: > >>> > >>> please see inline. > >>> > >>> regards. Wudi Ye. > >>> > >>> > >>>> wudiyetc a =E9crit : > >>>>> Hello Alex: I think mif hope to talk about the host attched > >>>>> to multiple networks, so each interface of the host may be > >>>>> assigned different addresses, but "bonding" require every > >>>>> interfaces have the same address. So I personally think that > >>>>> it is not suitable to contain it. > >>>> Hm, that's right, I think "bonding" will put the same address > >>>> on two or more interfaces of same host. > >>> > >>> I think so. > >>> > >>>> I wouldn't discard its relevance for section 3.2.2, though. > >>> > >>> "Bonding" can't be used in the scene that the host attaches > >>> multiple provision domain which is discribed in the MIF charter. > >>> So I think not necessary to add it in the section3.2.2. > >> Ok... > >>>> I mean, I do not think DHCP is the only relevant tool for > >>>> section 3.2.2. Do you think DHCP is the only tool one has to > >>>> consider when looking at several interfaces? What are the > >>>> other existing linux software one uses directly when trying to > >>>> use multiple interfaces? ebtables? iptables? What software do > >>>> _you_ use for this goal? > >>> > >>> I agree with you, and I think DHCP is a method to transfer route > >>> selection policy/address selection policy , iptables or other > >>> tools can be used for configure the host base the policy which is > >>> received through DHCP or other tool. We should list more tools in > >>> section3.2.2 , but not beyond is as wrong as falling . > >> Ok. > >>>> Another example, if the type of the multiple interfaces is wifi > >>>> then hostap and iwconfig must be considered as well. Multiple > >>>> ESSID vs multiple VLANs on same ESSID is something which guide > >>>> the way subnets and addresses are allocated. > >>> > >>> I have no idea. > >> Ok, hostap and iwconfig with multiple interfaces would also fall > >> within the scope of same administrative domain, so probably > >> irrelevant to mif. Still, I am wondering which other software tool > >> (other than dhcp tools) would one start with, when trying to deal > >> with multiple interfaces. Alex > >>> > >>>> Just some thoughts, thanks, Alex > >>>>> > >>>>> Regards Wudi Ye > >>>>> > >>>>> > >>>>>> MIFers, > >>>>>> > >>>>>> I have some comments on > >>>>>> draft-ietf-mif-current-practices-00. > >>>>>> > >>>>>> First, I am happy it exists and seems very relevant to some > >>>>>> needs. > >>>>>> > >>>>>> Section "3.2.2. Linux and BSD-based Operating Systems" > >>>>>> basically talks DHCP and the problem of most > >>>>>> implementations using a single default route. I agree with > >>>>>> it. > >>>>>> > >>>>>> However, I would list more in this section. When someone > >>>>>> tries in practice to use multiple interfaces on linux one > >>>>>> gets quickly also to the following tools: > >>>>>> > >>>>>> -bridging brconf -"bonding" -tc > >>>>>> > >>>>>> These have certain disadvantages, for example brconf only > >>>>>> repeats packets from one interface to another whereas what > >>>>>> I want is to receive packets from both interfaces to a 3rd > >>>>>> interface. "bonding" does that a little bit, but only > >>>>>> works on Ethernet, it doesn't work with a ppp0 interface, > >>>>>> for example. About tc I am not yet sure. > >>>>>> > >>>>>> There may be other tools I am not aware of and I would like > >>>>>> to learn about for using multiple interfaces > >>>>>> simultaneously. > >>>>>> > >>>>>> Alex > >>>>>> > >>>>>> Internet-Drafts@ietf.org a ?crit : > >>>>>>> A New Internet-Draft is available from the on-line > >>>>>>> Internet-Drafts > >>>> directories. > >>>>>>> This draft is a work item of the Multiple Interfaces > >>>>>>> Working Group > >>>> of the IETF. > >>>>>>> > >>>>>>> > >>>>>>> Title : Current Practices for Multiple > >>>>>>> Interface Hosts Author(s) : M. Wasserman Filename > >>>>>>> : draft-ietf-mif-current-practices-00.txt Pages > >>>>>>> : 16 Date : 2009-10-19 > >>>>>>> > >>>>>>> An increasing number of hosts are operating in > >>>>>>> multiple-interface environments, where different network > >>>>>>> interfaces are providing unequal levels of service or > >>>>>>> connectivity. This document summarizes current practices > >>>>>>> in this area, and describes in detail how some common > >>>>>>> operating systems cope with these challenges. > >>>>>>> > >>>>>>> A URL for this Internet-Draft is: > >>>>>>> > >>>> http://www.ietf.org/internet-drafts/draft-ietf-mif-current- > practices-00.txt > >>>> > >>>>>>> > >>>>>>> Internet-Drafts are also available by anonymous FTP at: > >>>>>>> ftp://ftp.ietf.org/internet-drafts/ > >>>>>>> > >>>>>>> Below is the data which will enable a MIME compliant mail > >>>>>>> reader implementation to automatically retrieve the ASCII > >>>>>>> version of the Internet-Draft. > >>> >=20 > _______________________________________________ > mif mailing list > mif@ietf.org > https://www.ietf.org/mailman/listinfo/mif From caozhenpku@gmail.com Mon Dec 14 23:22:31 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 642E13A6782 for ; Mon, 14 Dec 2009 23:22:31 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.618 X-Spam-Level: X-Spam-Status: No, score=-3.618 tagged_above=-999 required=5 tests=[AWL=-1.019, BAYES_00=-2.599] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YIjGoc+r4NAg for ; Mon, 14 Dec 2009 23:22:29 -0800 (PST) Received: from mail-px0-f171.google.com (mail-px0-f171.google.com [209.85.216.171]) by core3.amsl.com (Postfix) with ESMTP id 3310A3A67EF for ; Mon, 14 Dec 2009 23:22:29 -0800 (PST) Received: by pxi1 with SMTP id 1so3275048pxi.29 for ; Mon, 14 Dec 2009 23:22:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=1E+zFDWQaJ/LN4HnALrMT5cw4tSmvBHYr9LizqLmQLQ=; b=w13Pb1HawvHCtIp1OgVpOwqqzS/CTpa0d0/WFtuGuP6tTADcp4EEqZsCjoCfLrohtg nYKfKfbjLoi+TXEs9S+WtJl/Oj6yN48fOqKj3qy43SzQFTDeucYOaHlqUxN19bM1qLfq TC9yI1WHLxXN25Do5M749LUyp6J1Ikp6tdwMQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=dLI930CaswldNTsSNCJd56uMgOVS+NV9dLw6jwxon4J02s+mYPF6AtGbydvNzO2PSj Y0rWrEATsGGo1c4GbsZkZPezOUtXsGqycQUZpsI97WeyxOqE1yZXk/Ww5ktpAtN5tkQs QPi0iW/RNfo1NfSvvicpM//gFwvtnCfIx/nJ4= MIME-Version: 1.0 Received: by 10.142.248.2 with SMTP id v2mr3956338wfh.177.1260861728286; Mon, 14 Dec 2009 23:22:08 -0800 (PST) In-Reply-To: <4B210451.6090709@gmail.com> References: <20091019203001.A0BC83A6960@core3.amsl.com> <4B210451.6090709@gmail.com> Date: Tue, 15 Dec 2009 15:22:08 +0800 Message-ID: From: Zhen Cao To: Alexandru Petrescu Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Dec 2009 07:22:31 -0000 On Thu, Dec 10, 2009 at 10:23 PM, Alexandru Petrescu wrote: > MIFers, > > I have some comments on draft-ietf-mif-current-practices-00. > > First, I am happy it exists and seems very relevant to some needs. > > Section "3.2.2. =A0Linux and BSD-based Operating Systems" basically talks= DHCP > and the problem of most implementations using a single default route. =A0= I > agree with it. Linux actually has multiple routing tables: main, default, local, and can be added easily to enforce source routing policy (http://lartc.org/howto/lartc.rpdb.html). We can use "ip route list table main/default/local" to access these tables. So I do not think it is good to state that most implementations use a single route. Actually for each policy, there is one default routes. Do you agree? Thanks for discussion, Zhen > > However, I would list more in this section. =A0When someone tries in prac= tice > to use multiple interfaces on linux one gets quickly also to the followin= g > tools: > > -bridging brconf > -"bonding" > -tc > > These have certain disadvantages, for example brconf only repeats packets > from one interface to another whereas what I want is to receive packets f= rom > both interfaces to a 3rd interface. =A0"bonding" does that a little bit, = but > only works on Ethernet, it doesn't work with a ppp0 interface, for exampl= e. > =A0About tc I am not yet sure. > > There may be other tools I am not aware of and I would like to learn abou= t > for using multiple interfaces simultaneously. > > Alex > > Internet-Drafts@ietf.org a =E9crit : >> >> A New Internet-Draft is available from the on-line Internet-Drafts >> directories. >> This draft is a work item of the Multiple Interfaces Working Group of th= e >> IETF. >> >> >> =A0 =A0 =A0 =A0Title =A0 =A0 =A0 =A0 =A0 : Current Practices for Multipl= e Interface Hosts >> =A0 =A0 =A0 =A0Author(s) =A0 =A0 =A0 : M. Wasserman >> =A0 =A0 =A0 =A0Filename =A0 =A0 =A0 =A0: draft-ietf-mif-current-practice= s-00.txt >> =A0 =A0 =A0 =A0Pages =A0 =A0 =A0 =A0 =A0 : 16 >> =A0 =A0 =A0 =A0Date =A0 =A0 =A0 =A0 =A0 =A0: 2009-10-19 >> >> An increasing number of hosts are operating in multiple-interface >> environments, where different network interfaces are providing >> unequal levels of service or connectivity. =A0This document summarizes >> current practices in this area, and describes in detail how some >> common operating systems cope with these challenges. >> >> A URL for this Internet-Draft is: >> >> http://www.ietf.org/internet-drafts/draft-ietf-mif-current-practices-00.= txt >> >> Internet-Drafts are also available by anonymous FTP at: >> ftp://ftp.ietf.org/internet-drafts/ >> >> Below is the data which will enable a MIME compliant mail reader >> implementation to automatically retrieve the ASCII version of the >> Internet-Draft. >> >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> I-D-Announce mailing list >> I-D-Announce@ietf.org >> https://www.ietf.org/mailman/listinfo/i-d-announce >> Internet-Draft directories: http://www.ietf.org/shadow.html >> or ftp://ftp.ietf.org/ietf/1shadow-sites.txt > > > _______________________________________________ > mif mailing list > mif@ietf.org > https://www.ietf.org/mailman/listinfo/mif > From caozhenpku@gmail.com Tue Dec 15 00:40:18 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 143163A69A6 for ; Tue, 15 Dec 2009 00:40:18 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.561 X-Spam-Level: X-Spam-Status: No, score=-3.561 tagged_above=-999 required=5 tests=[AWL=-0.962, BAYES_00=-2.599] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id nH5rFvrFfw+p for ; Tue, 15 Dec 2009 00:40:16 -0800 (PST) Received: from mail-pz0-f176.google.com (mail-pz0-f176.google.com [209.85.222.176]) by core3.amsl.com (Postfix) with ESMTP id D52EA3A6980 for ; Tue, 15 Dec 2009 00:40:16 -0800 (PST) Received: by pzk6 with SMTP id 6so2767665pzk.29 for ; Tue, 15 Dec 2009 00:39:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=T5yTEUo4BSu0GCGUqUjFhcg12Tp8+/sujJ9Xo1w8RqM=; b=JQqbAqnNFLJBleW+rZYarisA+VFUUjUXG4tF+Twwy1teIpHWTYp+AMvUbtkcBR3Yck D6BprM4c/vsnkJgsm4Oe6sW//loiAvXywBeiwRdNo6FAEWp6Osvy8wAW2vqwhqTN/AnN nna6jF2jYlka7tee9dq50uEFHGOl/OuhIc0oE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=m/bcsanwGun47R0MejBaGXk6001QTwhSeGHmSGxoh1oMFQXAvQp3wB4JXIIWgKPwcs CWNfRDc3zo1jBmHBrZlttmfqJpuGB9Xf3zV8hivGk9g/HsJIpUOgGCD3YAxDTUcA69S+ UR/j5KRbCzRtcQa90lfJPyA4tqHlJLf27ZF4I= MIME-Version: 1.0 Received: by 10.143.26.40 with SMTP id d40mr2543501wfj.232.1260866397869; Tue, 15 Dec 2009 00:39:57 -0800 (PST) In-Reply-To: <4B26B6F9.6050101@gmail.com> References: <200912111627087805586@gmail.com> <200912132132002654426@gmail.com> <200912142043119370987@gmail.com> <4B26B6F9.6050101@gmail.com> Date: Tue, 15 Dec 2009 16:39:57 +0800 Message-ID: From: Zhen Cao To: Alexandru Petrescu Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Dec 2009 08:40:18 -0000 On Tue, Dec 15, 2009 at 6:06 AM, Alexandru Petrescu wrote: > wudiyetc a =E9crit : >> >> Hello ,Alex: >> >> Advanced Socket API also can be use for multiple interface. And if >> DHCP Server isn't deployed in the subnet, the NDP may be used. Is >> this wrong? > > WEll I guess yes, Neighbor Discovery and stateless address > auto-configuration may be used sometimes instead of DHCPv6. =A0That will > however configure a single default route on the end host (precisely as > DHCPv6 does) and, moreover, the end host typically uses a single entry > in the list of entries default route in the routing table. =A0(i.e. even > if there are multiple entries of default routes in the routing table > only the first is typically used). > > I am trying to find out what are the existing software tools for > configuring the simultaneous use of several outgoing interfaces. > Hi, Alex, I came across a note on this issue. http://www.ssi.bg/~ja/nano.txt. I went through it but have not tried it. Still if you can configure your gateway to add some source routing policy, simultaneous use of outgoing interfaces is not a big issue. Thanks, Zhen From caozhenpku@gmail.com Tue Dec 15 00:42:56 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id A0CE73A6994 for ; Tue, 15 Dec 2009 00:42:56 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.51 X-Spam-Level: X-Spam-Status: No, score=-3.51 tagged_above=-999 required=5 tests=[AWL=-0.911, BAYES_00=-2.599] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id UOfjO0QeYhln for ; Tue, 15 Dec 2009 00:42:56 -0800 (PST) Received: from mail-pw0-f50.google.com (mail-pw0-f50.google.com [209.85.160.50]) by core3.amsl.com (Postfix) with ESMTP id 039893A688C for ; Tue, 15 Dec 2009 00:42:55 -0800 (PST) Received: by pwi20 with SMTP id 20so2717647pwi.29 for ; Tue, 15 Dec 2009 00:42:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=jhwKf5ojYQOrCsONlqSIpvfFlqbCyqZTxKZ2DnJsu/E=; b=eNeWlwD3ITkao4tclMtLYUEbxhobdNkd/MjW/tWcB1Xbzeqe1iSbXHJy90uBmiNZ/a /MceQ+kEJuOMDRF+2Lp3GawWgRw/NViWibWI4/NrPWkJzwIsn4oqoJqt6fH1TW9DxEMf VtO4SJ+TaL9nPugPfH5/Gbd+uQ105m8cJ+8yk= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=oh24Mq4zt0NNlv8JpWX7VtfLdG3TyOM4PzESzgzPpOZTvLtMJqfQByN+yNGOV2J/+I Jh4qt7FyYWw4RZpmRNAmykwBwxJVzWaQgEGJyVjIj8PMZ8yefeDl8jLMEGg6T/mbkfJN EI0gz92/lqegwtS9UcREmO9Hi5y8JPYd1NvIg= MIME-Version: 1.0 Received: by 10.142.122.12 with SMTP id u12mr3984286wfc.340.1260866560297; Tue, 15 Dec 2009 00:42:40 -0800 (PST) In-Reply-To: <200912142043119370987@gmail.com> References: <200912111627087805586@gmail.com> <200912132132002654426@gmail.com> <200912142043119370987@gmail.com> Date: Tue, 15 Dec 2009 16:42:40 +0800 Message-ID: From: Zhen Cao To: wudiyetc Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Dec 2009 08:42:56 -0000 On Mon, Dec 14, 2009 at 8:43 PM, wudiyetc wrote: > > Hello ,Alex: > > =A0=A0=A0=A0=A0=A0 Advanced Socket API also can be use=A0for multiple int= erface. > And if DHCP Server=A0isn't=A0deployed in the subnet, the NDP may be used. > Is=A0this wrong? > Hi Wudi, I agree, Advanced Socket API is definitely one way to support multiple interface. We have posted one draft on this and will update it to encapsulate more issues on this. Thanks, Zhen From marc.blanchet@viagenie.ca Tue Dec 15 04:32:50 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 91AFA3A694D for ; Tue, 15 Dec 2009 04:32:50 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id SyjRNkbKOn8j for ; Tue, 15 Dec 2009 04:32:49 -0800 (PST) Received: from jazz.viagenie.ca (jazz.viagenie.ca [IPv6:2620:0:230:8000::2]) by core3.amsl.com (Postfix) with ESMTP id 61CE13A67E9 for ; Tue, 15 Dec 2009 04:32:45 -0800 (PST) Received: from mb.local (unknown [206.172.18.93]) by jazz.viagenie.ca (Postfix) with ESMTPSA id DBBF1210F6; Tue, 15 Dec 2009 07:32:30 -0500 (EST) Message-ID: <4B2781DE.9030709@viagenie.ca> Date: Tue, 15 Dec 2009 07:32:30 -0500 From: Marc Blanchet User-Agent: Thunderbird 2.0.0.23 (Macintosh/20090812) MIME-Version: 1.0 To: Zhen Cao References: <200912111627087805586@gmail.com> <200912132132002654426@gmail.com> <200912142043119370987@gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Dec 2009 12:32:50 -0000 the problem statement draft discusses about the Advanced Socket API. Marc. Zhen Cao a écrit : > On Mon, Dec 14, 2009 at 8:43 PM, wudiyetc wrote: >> Hello ,Alex: >> >> Advanced Socket API also can be use for multiple interface. >> And if DHCP Server isn't deployed in the subnet, the NDP may be used. >> Is this wrong? >> > Hi Wudi, > > I agree, Advanced Socket API is definitely one way to support multiple > interface. We have posted one draft on this and will update it to > encapsulate more issues on this. > > Thanks, > Zhen > _______________________________________________ > mif mailing list > mif@ietf.org > https://www.ietf.org/mailman/listinfo/mif From wudiyetc@gmail.com Tue Dec 15 05:04:25 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 42DF93A69FA for ; Tue, 15 Dec 2009 05:04:25 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.722 X-Spam-Level: X-Spam-Status: No, score=-1.722 tagged_above=-999 required=5 tests=[AWL=0.876, BAYES_00=-2.599, HTML_MESSAGE=0.001] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id X6PrYnXjZNRi for ; Tue, 15 Dec 2009 05:04:24 -0800 (PST) Received: from mail-pw0-f50.google.com (mail-pw0-f50.google.com [209.85.160.50]) by core3.amsl.com (Postfix) with ESMTP id 5C3023A694D for ; Tue, 15 Dec 2009 05:04:24 -0800 (PST) Received: by pwi20 with SMTP id 20so2832593pwi.29 for ; Tue, 15 Dec 2009 05:04:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:date:from:to:cc:references :subject:message-id:x-mailer:mime-version:content-type; bh=0g26NXA/ib4P/IjSy1pMXlWywR2YJ4B1OhsoMxFiN2s=; b=a2Xj9RF+3HvheSrDWBFyr+yMvmAcIzd4wpmVglgMdpuDuqcWKlMwC8oT2D8aojdL9V IqfBw9aTHO50YgvMSThnX6Mr9E37U6xrna30QM80iluYwnGYvrJYr471KPWBgnRlhyd2 YxJZdR1h9odCcIfdFz+QsjOfUDsRd0spF6A00= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:references:subject:message-id:x-mailer:mime-version :content-type; b=JFR2VoeoQiJlX1jR3PpxLxtB3OsOOCqQr7tCjq6/ZuCJsQN43qy1EGj46hyWxPpN5F FGtcq+hqgUI+cGnqxQ2Kzd6+HZPZC1FzeE9sf1sOtscxu+vAM1HgTDOK7Z/C4VuOFXQk CxUIC3N2i5fq+y99knMYticbAuD5mt/EZ4qm8= Received: by 10.141.187.29 with SMTP id o29mr4408516rvp.48.1260882248459; Tue, 15 Dec 2009 05:04:08 -0800 (PST) Received: from bupt-feng ([221.218.198.231]) by mx.google.com with ESMTPS id 20sm5860602pzk.5.2009.12.15.05.03.57 (version=SSLv3 cipher=RC4-MD5); Tue, 15 Dec 2009 05:04:06 -0800 (PST) Date: Tue, 15 Dec 2009 21:03:56 +0800 From: "wudiyetc" To: "Zhen Cao" References: <200912111627087805586@gmail.com>, <200912132132002654426@gmail.com>, <200912142043119370987@gmail.com> Message-ID: <200912152103481252113@gmail.com> X-mailer: Foxmail 6, 15, 201, 22 [cn] Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="=====003_Dragon627665674351_=====" Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Dec 2009 13:04:25 -0000 This is a multi-part message in MIME format. --=====003_Dragon627665674351_===== Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Hello Zhen , I agree with you to extend the existing APIs, It can support MIF better. But maybe you have misunderstood my words.I mean existing Advanced Socket APIs can be used for multiple interface. e.g: the socket option SO_BINDTODEVICE can be used to specify the outgoing interface, and bind() can be used to bind a specified address to a socket. Regards Wudi Ye >On Mon, Dec 14, 2009 at 8:43 PM, wudiyetc wrote: >> >> Hello ,Alex: >> >> Advanced Socket API also can be use for multiple interface. >> And if DHCP Server isn't deployed in the subnet, the NDP may be used. >> Is this wrong? >> >Hi Wudi, >I agree, Advanced Socket API is definitely one way to support multiple >interface. We have posted one draft on this and will update it to >encapsulate more issues on this. >Thanks, >Zhen --=====003_Dragon627665674351_===== Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: 7bit
 
Hello Zhen ,
 
       I agree with you to extend the existing APIs, It can support MIF better.
But maybe you have  misunderstood my words.I mean existing Advanced Socket APIs
can be used for multiple interface. e.g: the socket option SO_BINDTODEVICE can be
used to specify the outgoing interface, and bind() can be used to bind a specified address
to a socket.
 
Regards
Wudi Ye
 
>On Mon, Dec 14, 2009 at 8:43 PM, wudiyetc <wudiyetc@gmail.com> wrote:
>>
>> Hello ,Alex:
>>
>>        Advanced Socket API also can be use for multiple interface.
>> And if DHCP Server isn't deployed in the subnet, the NDP may be used.
>> Is this wrong?
>>
>Hi Wudi,
>I agree, Advanced Socket API is definitely one way to support multiple
>interface. We have posted one draft on this and will update it to
>encapsulate more issues on this.
>Thanks,
>Zhen
--=====003_Dragon627665674351_=====-- From caozhenpku@gmail.com Tue Dec 15 07:23:33 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id A89CA3A6890 for ; Tue, 15 Dec 2009 07:23:33 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.424 X-Spam-Level: X-Spam-Status: No, score=-3.424 tagged_above=-999 required=5 tests=[AWL=-0.825, BAYES_00=-2.599] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id spC6ie1XR6JT for ; Tue, 15 Dec 2009 07:23:31 -0800 (PST) Received: from mail-pz0-f176.google.com (mail-pz0-f176.google.com [209.85.222.176]) by core3.amsl.com (Postfix) with ESMTP id AED883A6825 for ; Tue, 15 Dec 2009 07:23:31 -0800 (PST) Received: by pzk6 with SMTP id 6so3002453pzk.29 for ; Tue, 15 Dec 2009 07:23:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=0Iql5pjzfJc6wCB5+wxyyIPuBGxNZSFFnAENW4Kt4OI=; b=A4oTbXN9uJG7JJd9hVw2hoCRvWr8k1W/TVftpFl+Gxat/10W90QCgOxQdGmHtKW9DA NP6Koxb8wreWZPobiKVXnANjA3eMRSNS5kg+lika7gSRxiAnz7JCVvXK64U6M+Y5JB60 9dFFTyL/gsSrZvzGWD9sZ2xPLjH3cbD6vuutc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=B8H9nEGh4S65jwbEZTA7mCbErS/gdRkVNiPNi13BSW/1cxTBYgAkxysnKQZrhrg5AU P1AhMzkNI7ac63gHrrohgyM3BtqixBfMAcpFw1Jn2G1qXRFIRgeYtyt+VU3nHyg2HlCg qvPLy8YjuunQzd6G/9ndx3jRO+CGDpFPlW+60= MIME-Version: 1.0 Received: by 10.142.248.2 with SMTP id v2mr4277497wfh.177.1260890593765; Tue, 15 Dec 2009 07:23:13 -0800 (PST) In-Reply-To: <200912152103481252113@gmail.com> References: <200912111627087805586@gmail.com> <200912132132002654426@gmail.com> <200912142043119370987@gmail.com> <200912152103481252113@gmail.com> Date: Tue, 15 Dec 2009 23:23:13 +0800 Message-ID: From: Zhen Cao To: wudiyetc Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Dec 2009 15:23:34 -0000 On Tue, Dec 15, 2009 at 9:03 PM, wudiyetc wrote: > > Hello Zhen , > > =A0=A0=A0=A0=A0=A0=A0I agree with you to extend the existing APIs, It can= support MIF > better. > But maybe you have=A0 misunderstood my words.I=A0mean existing Advanced S= ocket > APIs > can be used for multiple interface. e.g: the socket option SO_BINDTODEVIC= E > can be > used to specify=A0the outgoing interface, and bind() can be used to bind = a > specified address > to a socket. But applications usually do not use this API. It is easier to select the interface at the stack layer And source address selection is part of the problem for MIF, policy and configuration issues may need other APIs. From caozhenpku@gmail.com Tue Dec 15 07:37:43 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 032C83A6A2B for ; Tue, 15 Dec 2009 07:37:43 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.386 X-Spam-Level: X-Spam-Status: No, score=-3.386 tagged_above=-999 required=5 tests=[AWL=-0.787, BAYES_00=-2.599] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rViv8Ux-RMgb for ; Tue, 15 Dec 2009 07:37:31 -0800 (PST) Received: from mail-pw0-f50.google.com (mail-pw0-f50.google.com [209.85.160.50]) by core3.amsl.com (Postfix) with ESMTP id 8F36B3A69DB for ; Tue, 15 Dec 2009 07:37:30 -0800 (PST) Received: by mail-pw0-f50.google.com with SMTP id 20so2916364pwi.29 for ; Tue, 15 Dec 2009 07:37:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=uEFhLKb9Ea2KczkOBQ7yyyqV41F04gi2nkxHQA4I8ig=; b=T5iSmQoRkYd412YXGX6+oOdGh0DB9FyNzUVqZ68VV+MkHlcntkBYKMHpr9/MOi/0vs Na3g6ph5FvyMl05EFY80d5G6YtQHxLI5athwnk5sBEVmDmfXFO7leyv2frS5h/+j2I6Z HZwxSrko5LddG2mivqmxMPxsoHsbJ3nLyPza8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=DuaCOh8BhvXojR21l2bZ3RR40Dy0jVfyVa85bR/GrfJsV04YpwYkHTnNGpWOMzN/U3 KYUWgzWwIwzuK8r/g43s92apqdTxWVQHjT7Osn+cD27TAOVu4+weoYZKXxBHIHQX473F NhmawD+FgyZSHA5RjKw1yFJsa172nJN67FV6k= MIME-Version: 1.0 Received: by 10.143.26.36 with SMTP id d36mr4190255wfj.217.1260891437413; Tue, 15 Dec 2009 07:37:17 -0800 (PST) In-Reply-To: <4B2781DE.9030709@viagenie.ca> References: <200912111627087805586@gmail.com> <200912132132002654426@gmail.com> <200912142043119370987@gmail.com> <4B2781DE.9030709@viagenie.ca> Date: Tue, 15 Dec 2009 23:37:17 +0800 Message-ID: From: Zhen Cao To: Marc Blanchet Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Dec 2009 15:37:43 -0000 Thanks. Yes, the problem statement draft currently discusses about the socket API, in section 3.6 and 5(9), for address selection. And I noticed that you opened a ticket for this issue. Are you going to incorporate other text for this? For example, RFC5014 only defines an option to influence source address selection for IPv6. Do we need one for IPv4? Thanks, Zhen On Tue, Dec 15, 2009 at 8:32 PM, Marc Blanchet wrote: > the problem statement draft discusses about the Advanced Socket API. > > Marc. > > Zhen Cao a =E9crit : >> >> On Mon, Dec 14, 2009 at 8:43 PM, wudiyetc wrote: >>> >>> Hello ,Alex: >>> >>> =A0 =A0 =A0 Advanced Socket API also can be use for multiple interface. >>> And if DHCP Server isn't deployed in the subnet, the NDP may be used. >>> Is this wrong? >>> >> Hi Wudi, >> >> I agree, Advanced Socket API is definitely one way to support multiple >> interface. We have posted one draft on this and will update it to >> encapsulate more issues on this. >> >> Thanks, >> Zhen >> _______________________________________________ >> mif mailing list >> mif@ietf.org >> https://www.ietf.org/mailman/listinfo/mif > > From wudiyetc@gmail.com Tue Dec 15 18:44:25 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 660403A6962 for ; Tue, 15 Dec 2009 18:44:25 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.429 X-Spam-Level: X-Spam-Status: No, score=-1.429 tagged_above=-999 required=5 tests=[AWL=-0.584, BAYES_00=-2.599, HTML_MESSAGE=0.001, MIME_BASE64_TEXT=1.753] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id UsTLDfPlWhVp for ; Tue, 15 Dec 2009 18:44:24 -0800 (PST) Received: from mail-gx0-f228.google.com (mail-gx0-f228.google.com [209.85.217.228]) by core3.amsl.com (Postfix) with ESMTP id 2810B3A6949 for ; Tue, 15 Dec 2009 18:44:24 -0800 (PST) Received: by gxk28 with SMTP id 28so561329gxk.9 for ; Tue, 15 Dec 2009 18:44:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:date:from:to:cc:references :subject:message-id:x-mailer:mime-version:content-type; bh=W6Ztcz3OfPal0sjBFqtMqT16bs6LHFc/GNUSMCW4CKY=; b=fy0AmdyfxYw4Y62AOIEPIGmFOb05a9s2hUbur9QJmbdd1EM0gByXKdjuKwUVAyFmJW m3uRctJ3Dz4YsQvUMAhrkrUELe90KrKGYX0ApDmGDg5ae1W2TYRUsaZeRbBIcdElKvF2 QQw7YogrrvTMirXaFh6GlblGURt/JLXno1t2o= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:references:subject:message-id:x-mailer:mime-version :content-type; b=UrhJSLH/L1YBRIaN2RaXt5N9LIeDy9EKyCYLHDc8R4ZmTIQQLRGPDt2DKqZQhwQxjh MgEIuXV9cg59/jlycDLhXSPFcAcQ8Fpt4xJ2Qbi7MPDH4F44Ys5rnPRWUoCHTwlFyh3/ AEFo8S3sKb1BLEJ82LqDLp9+0IRz8qXTjyzrc= Received: by 10.90.245.6 with SMTP id s6mr369605agh.111.1260931447640; Tue, 15 Dec 2009 18:44:07 -0800 (PST) Received: from bupt-feng ([125.33.184.163]) by mx.google.com with ESMTPS id 16sm228191gxk.7.2009.12.15.18.44.02 (version=SSLv3 cipher=RC4-MD5); Tue, 15 Dec 2009 18:44:06 -0800 (PST) Date: Wed, 16 Dec 2009 10:44:03 +0800 From: "wudiyetc" To: "Marc Blanchet" References: <200912111627087805586@gmail.com>, <200912132132002654426@gmail.com>, <200912142043119370987@gmail.com>, Message-ID: <200912161043595003205@gmail.com> X-mailer: Foxmail 6, 15, 201, 22 [cn] Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="=====003_Dragon847517000051_=====" Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Dec 2009 02:44:25 -0000 This is a multi-part message 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mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 40FE53A6935 for ; Tue, 15 Dec 2009 18:50:21 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.16 X-Spam-Level: X-Spam-Status: No, score=-2.16 tagged_above=-999 required=5 tests=[AWL=0.438, BAYES_00=-2.599, HTML_MESSAGE=0.001] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id izwZQFPKyyHz for ; Tue, 15 Dec 2009 18:50:20 -0800 (PST) Received: from mail-gx0-f228.google.com (mail-gx0-f228.google.com [209.85.217.228]) by core3.amsl.com (Postfix) with ESMTP id 3F7613A68A6 for ; Tue, 15 Dec 2009 18:50:20 -0800 (PST) Received: by gxk28 with SMTP id 28so565133gxk.9 for ; Tue, 15 Dec 2009 18:50:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:date:from:to:cc:references :subject:message-id:x-mailer:mime-version:content-type; bh=PesDde3GDx+uvMdkZfc1EvGmVcbJZkdHv8WlJUf5UFM=; b=cgIZVD0NdJIJVcxdXM1TZdtyPlN0BgH4DqXOQqL8wNNzlMK/idLQsHvdwuZg+EXR/D 8sV/xfilG15Ip1WPiQtWGpxyINv4AJGdOwnKcO/yE+Bz0zIQiWk6+gAx/klD8ZYYO5KH CeIljNVykVbWqEqHyxA19sUaa1PR4fhQ8rtAI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:references:subject:message-id:x-mailer:mime-version :content-type; b=rhn8unXfbHK3dZ/KRBDpho/lOc6DKJXzxWDQh9Zq7rthoBy6gPs5xGk2sISkCYmUaP Or23xovLr8l5lzm6ZNbW2vZB0Oe2IaeNEeoqP9q+YSaSLJZRYj7TA69of/j7ho5T8ZHT zBzTWMMreyRoc8lke4HqdOaZWurV5uh6/2u1w= Received: by 10.100.241.1 with SMTP id o1mr601275anh.64.1260931803465; Tue, 15 Dec 2009 18:50:03 -0800 (PST) Received: from bupt-feng ([125.33.184.163]) by mx.google.com with ESMTPS id 16sm226975gxk.3.2009.12.15.18.49.54 (version=SSLv3 cipher=RC4-MD5); Tue, 15 Dec 2009 18:50:02 -0800 (PST) Date: Wed, 16 Dec 2009 10:49:55 +0800 From: "wudiyetc" To: "Zhen Cao" References: <200912111627087805586@gmail.com>, <200912132132002654426@gmail.com>, <200912142043119370987@gmail.com>, <200912152103481252113@gmail.com>, Message-ID: <200912161049455150104@gmail.com> X-mailer: Foxmail 6, 15, 201, 22 [cn] Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="=====003_Dragon371374026113_=====" Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Dec 2009 02:50:21 -0000 This is a multi-part message in MIME format. --=====003_Dragon371374026113_===== Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit >On Tue, Dec 15, 2009 at 9:03 PM, wudiyetc wrote: >> >> Hello Zhen , >> >> I agree with you to extend the existing APIs, It can support MIF >> better. >> But maybe you have misunderstood my words.I mean existing Advanced Socket >> APIs >> can be used for multiple interface. e.g: the socket option SO_BINDTODEVICE >> can be >> used to specify the outgoing interface, and bind() can be used to bind a >> specified address >> to a socket. >But applications usually do not use this API. It is easier to select >the interface at the stack layer >And source address selection is part of the problem for MIF, policy >and configuration issues may need other APIs. Yes. Thanks, Wudi --=====003_Dragon371374026113_===== Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: 7bit
 
>On Tue, Dec 15, 2009 at 9:03 PM, wudiyetc <wudiyetc@gmail.com> wrote:
>>
>> Hello Zhen ,
>>
>>        I agree with you to extend the existing APIs, It can support MIF
>> better.
>> But maybe you have  misunderstood my words.I mean existing Advanced Socket
>> APIs
>> can be used for multiple interface. e.g: the socket option SO_BINDTODEVICE
>> can be
>> used to specify the outgoing interface, and bind() can be used to bind a
>> specified address
>> to a socket.
>But applications usually do not use this API. It is easier to select
>the interface at the stack layer
>And source address selection is part of the problem for MIF, policy
>and configuration issues may need other APIs.
 
Yes.
 
Thanks,
Wudi
--=====003_Dragon371374026113_=====-- From maxpassion@gmail.com Wed Dec 16 10:20:44 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 167923A6A20 for ; Wed, 16 Dec 2009 10:20:44 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id R6+9mw-Jiwl6 for ; Wed, 16 Dec 2009 10:20:42 -0800 (PST) Received: from mail-px0-f171.google.com (mail-px0-f171.google.com [209.85.216.171]) by core3.amsl.com (Postfix) with ESMTP id 2EB3D3A6A19 for ; Wed, 16 Dec 2009 10:20:42 -0800 (PST) Received: by pxi1 with SMTP id 1so839454pxi.29 for ; Wed, 16 Dec 2009 10:20:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=4UXq4RO2UEVxbqCvWmNuXcVwiw3iihHP7QwNbwqDuDE=; b=E9lr1G/Zx5xgri9RJvpDQbOUlgQSm1pA+76SYycAipt64lBp8ezWLVdH+LDZbGPeC0 bJasViw73zH9cO/nnBa6Q4lPH2qnm7DLwSJ/c8XJR6+6da6X+vyLp9CtAID6hTgc/Exe DHkmCd0W2JDl2mDWzXwf3DIHWYK0r78DX1p2Q= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=cOAg13Gh+QtOqOHWZGJ7H8m/PMj8stSxrbLFKjv12IBP+RQ2D3pSLGVLpsI0QH6VzV +CC4PNyEFylSmHHgUcsVof7uKNlq8pOjoHFQZH+a6sXFeAdFNCW19e9aTKYNy3ev8v4q ESMuMfSKSPHZh4QUGgsCn2NM41vWUmgRsp3+E= MIME-Version: 1.0 Received: by 10.142.67.5 with SMTP id p5mr871784wfa.286.1260987624936; Wed, 16 Dec 2009 10:20:24 -0800 (PST) In-Reply-To: <4B210451.6090709@gmail.com> References: <20091019203001.A0BC83A6960@core3.amsl.com> <4B210451.6090709@gmail.com> Date: Thu, 17 Dec 2009 02:20:24 +0800 Message-ID: <25e1aaa40912161020r1b55e48fjee6f0044beff99f5@mail.gmail.com> From: liu dapeng To: Alexandru Petrescu Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: mif@ietf.org Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Dec 2009 18:20:44 -0000 Hi Alexandru, 2009/12/10, Alexandru Petrescu : > MIFers, > > I have some comments on draft-ietf-mif-current-practices-00. > > First, I am happy it exists and seems very relevant to some needs. > > Section "3.2.2. Linux and BSD-based Operating Systems" basically talks > DHCP and the problem of most implementations using a single default > route. I agree with it. > > However, I would list more in this section. When someone tries in > practice to use multiple interfaces on linux one gets quickly also to > the following tools: > > -bridging brconf > -"bonding" > -tc > > These have certain disadvantages, for example brconf only repeats > packets from one interface to another whereas what I want is to receive > packets from both interfaces to a 3rd interface. "bonding" does that a > little bit, but only works on Ethernet, it doesn't work with a ppp0 > interface, for example. About tc I am not yet sure. > > There may be other tools I am not aware of and I would like to learn > about for using multiple interfaces simultaneously. There are some host based router software such as "Zebra http://www.zebra.org/" which could turn the host in to virtually a router and the multiple interfaces of the host could be simultaneous used. but i am not sure this could be recognized as the tools that facilitate multiple interfaces. Best regards, Dapeng Liu > Alex > > Internet-Drafts@ietf.org a =E9crit : >> A New Internet-Draft is available from the on-line Internet-Drafts >> directories. >> This draft is a work item of the Multiple Interfaces Working Group of th= e >> IETF. >> >> >> Title : Current Practices for Multiple Interface Hosts >> Author(s) : M. Wasserman >> Filename : draft-ietf-mif-current-practices-00.txt >> Pages : 16 >> Date : 2009-10-19 >> >> An increasing number of hosts are operating in multiple-interface >> environments, where different network interfaces are providing >> unequal levels of service or connectivity. This document summarizes >> current practices in this area, and describes in detail how some >> common operating systems cope with these challenges. >> >> A URL for this Internet-Draft is: >> http://www.ietf.org/internet-drafts/draft-ietf-mif-current-practices-00.= txt >> >> Internet-Drafts are also available by anonymous FTP at: >> ftp://ftp.ietf.org/internet-drafts/ >> >> Below is the data which will enable a MIME compliant mail reader >> implementation to automatically retrieve the ASCII version of the >> Internet-Draft. >> >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> I-D-Announce mailing list >> I-D-Announce@ietf.org >> https://www.ietf.org/mailman/listinfo/i-d-announce >> Internet-Draft directories: http://www.ietf.org/shadow.html >> or ftp://ftp.ietf.org/ietf/1shadow-sites.txt > > > _______________________________________________ > mif mailing list > mif@ietf.org > https://www.ietf.org/mailman/listinfo/mif > From alexandru.petrescu@gmail.com Wed Dec 16 11:33:59 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id D5E023A6A44 for ; Wed, 16 Dec 2009 11:33:59 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.857 X-Spam-Level: X-Spam-Status: No, score=-1.857 tagged_above=-999 required=5 tests=[AWL=0.392, BAYES_00=-2.599, HELO_EQ_FR=0.35] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ssaCOVzALqpF for ; Wed, 16 Dec 2009 11:33:58 -0800 (PST) Received: from smtp5-g21.free.fr (smtp5-g21.free.fr [212.27.42.5]) by core3.amsl.com (Postfix) with ESMTP id 7F2763A6A31 for ; Wed, 16 Dec 2009 11:33:56 -0800 (PST) Received: from smtp5-g21.free.fr (localhost [127.0.0.1]) by smtp5-g21.free.fr (Postfix) with ESMTP id 24FCDD48098; Wed, 16 Dec 2009 20:33:38 +0100 (CET) Received: from [127.0.0.1] (bur91-3-82-239-213-32.fbx.proxad.net [82.239.213.32]) by smtp5-g21.free.fr (Postfix) with ESMTP id E00EAD481C8; Wed, 16 Dec 2009 20:33:35 +0100 (CET) Message-ID: <4B29360B.1090108@gmail.com> Date: Wed, 16 Dec 2009 20:33:31 +0100 From: Alexandru Petrescu User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: Zhen Cao References: <20091019203001.A0BC83A6960@core3.amsl.com> <4B210451.6090709@gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Antivirus: avast! (VPS 091216-0, 16/12/2009), Outbound message X-Antivirus-Status: Clean Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Dec 2009 19:33:59 -0000 Zhen Cao a écrit : > On Thu, Dec 10, 2009 at 10:23 PM, Alexandru Petrescu > wrote: >> MIFers, >> >> I have some comments on draft-ietf-mif-current-practices-00. >> >> First, I am happy it exists and seems very relevant to some needs. >> >> Section "3.2.2. Linux and BSD-based Operating Systems" basically talks DHCP >> and the problem of most implementations using a single default route. I >> agree with it. > > Linux actually has multiple routing tables: main, default, local, and > can be added easily to enforce source routing policy > (http://lartc.org/howto/lartc.rpdb.html). We can use "ip route list > table main/default/local" to access these tables. > > So I do not think it is good to state that most implementations use a > single route. Actually for each policy, there is one default routes. > Do you agree? I still have to check the main, default, local routing tables. I think DHCP is only concerned about one of those tables, not sure which. But I think it is because of that default route being re-configured that poses most problems to using several interfaces simultaneously. Alex > > Thanks for discussion, > Zhen > >> However, I would list more in this section. When someone tries in practice >> to use multiple interfaces on linux one gets quickly also to the following >> tools: >> >> -bridging brconf >> -"bonding" >> -tc >> >> These have certain disadvantages, for example brconf only repeats packets >> from one interface to another whereas what I want is to receive packets from >> both interfaces to a 3rd interface. "bonding" does that a little bit, but >> only works on Ethernet, it doesn't work with a ppp0 interface, for example. >> About tc I am not yet sure. >> >> There may be other tools I am not aware of and I would like to learn about >> for using multiple interfaces simultaneously. >> >> Alex >> >> Internet-Drafts@ietf.org a écrit : >>> A New Internet-Draft is available from the on-line Internet-Drafts >>> directories. >>> This draft is a work item of the Multiple Interfaces Working Group of the >>> IETF. >>> >>> >>> Title : Current Practices for Multiple Interface Hosts >>> Author(s) : M. Wasserman >>> Filename : draft-ietf-mif-current-practices-00.txt >>> Pages : 16 >>> Date : 2009-10-19 >>> >>> An increasing number of hosts are operating in multiple-interface >>> environments, where different network interfaces are providing >>> unequal levels of service or connectivity. This document summarizes >>> current practices in this area, and describes in detail how some >>> common operating systems cope with these challenges. >>> >>> A URL for this Internet-Draft is: >>> >>> http://www.ietf.org/internet-drafts/draft-ietf-mif-current-practices-00.txt >>> >>> Internet-Drafts are also available by anonymous FTP at: >>> ftp://ftp.ietf.org/internet-drafts/ >>> >>> Below is the data which will enable a MIME compliant mail reader >>> implementation to automatically retrieve the ASCII version of the >>> Internet-Draft. >>> >>> >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> I-D-Announce mailing list >>> I-D-Announce@ietf.org >>> https://www.ietf.org/mailman/listinfo/i-d-announce >>> Internet-Draft directories: http://www.ietf.org/shadow.html >>> or ftp://ftp.ietf.org/ietf/1shadow-sites.txt >> >> _______________________________________________ >> mif mailing list >> mif@ietf.org >> https://www.ietf.org/mailman/listinfo/mif >> > From alexandru.petrescu@gmail.com Wed Dec 16 11:39:31 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 4F6A53A68F4 for ; Wed, 16 Dec 2009 11:39:31 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.893 X-Spam-Level: X-Spam-Status: No, score=-1.893 tagged_above=-999 required=5 tests=[AWL=0.356, BAYES_00=-2.599, HELO_EQ_FR=0.35] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id IhZoQYoE-30N for ; Wed, 16 Dec 2009 11:39:30 -0800 (PST) Received: from smtp5-g21.free.fr (smtp5-g21.free.fr [212.27.42.5]) by core3.amsl.com (Postfix) with ESMTP id C548D3A6822 for ; Wed, 16 Dec 2009 11:39:28 -0800 (PST) Received: from smtp5-g21.free.fr (localhost [127.0.0.1]) by smtp5-g21.free.fr (Postfix) with ESMTP id 0CEB0D4805A; Wed, 16 Dec 2009 20:39:09 +0100 (CET) Received: from [127.0.0.1] (bur91-3-82-239-213-32.fbx.proxad.net [82.239.213.32]) by smtp5-g21.free.fr (Postfix) with ESMTP id D0499D481EB; Wed, 16 Dec 2009 20:39:06 +0100 (CET) Message-ID: <4B293757.20001@gmail.com> Date: Wed, 16 Dec 2009 20:39:03 +0100 From: Alexandru Petrescu User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: Zhen Cao References: <200912111627087805586@gmail.com> <200912132132002654426@gmail.com> <200912142043119370987@gmail.com> <4B26B6F9.6050101@gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Antivirus: avast! (VPS 091216-0, 16/12/2009), Outbound message X-Antivirus-Status: Clean Cc: mif Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Dec 2009 19:39:31 -0000 Zhen Cao a écrit : > On Tue, Dec 15, 2009 at 6:06 AM, Alexandru Petrescu > wrote: >> wudiyetc a écrit : >>> Hello ,Alex: >>> >>> Advanced Socket API also can be use for multiple interface. And >>> if DHCP Server isn't deployed in the subnet, the NDP may be used. >>> Is this wrong? >> WEll I guess yes, Neighbor Discovery and stateless address >> auto-configuration may be used sometimes instead of DHCPv6. That >> will however configure a single default route on the end host >> (precisely as DHCPv6 does) and, moreover, the end host typically >> uses a single entry in the list of entries default route in the >> routing table. (i.e. even if there are multiple entries of default >> routes in the routing table only the first is typically used). >> >> I am trying to find out what are the existing software tools for >> configuring the simultaneous use of several outgoing interfaces. >> > Hi, Alex, > > I came across a note on this issue. http://www.ssi.bg/~ja/nano.txt. I > went through it but have not tried it. Still if you can configure > your gateway to add some source routing policy, simultaneous use of > outgoing interfaces is not a big issue. Does that documentation tell how to use several interfaces simultaneously? I don't think it does. My problem is a router like this: | | |egress1 |egress2 ------------- | Router | ------------- |ingress | I want the Router to use both egress1 and egress2 at the same time, simultaneously. I would like to be able to say that 50% of outgoing traffic goes to egress1 and the other 50% goes to egress2. This is not a distinction per-application, or per-port number, or per-IP address. But a distinction in time: the traffic sent by Router to the outside (on the egress interfaces) should be split every 1s in a 50-50 manner. Then I would like it to be parametrable, i.e. the 1s and the 50-50 to be changeable. I am listing the potential tools for achieving this, and the nano.txt document is part of it, I have to read. But right now I am vacationing :-) Thanks, Alex > > Thanks, Zhen > From alexandru.petrescu@gmail.com Wed Dec 16 11:41:44 2009 Return-Path: X-Original-To: mif@core3.amsl.com Delivered-To: mif@core3.amsl.com Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id A43BC3A688F for ; Wed, 16 Dec 2009 11:41:44 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.922 X-Spam-Level: X-Spam-Status: No, score=-1.922 tagged_above=-999 required=5 tests=[AWL=0.327, BAYES_00=-2.599, HELO_EQ_FR=0.35] Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bhOP8bGuivza for ; Wed, 16 Dec 2009 11:41:43 -0800 (PST) Received: from smtp5-g21.free.fr (smtp5-g21.free.fr [212.27.42.5]) by core3.amsl.com (Postfix) with ESMTP id 3D0333A6822 for ; Wed, 16 Dec 2009 11:41:41 -0800 (PST) Received: from smtp5-g21.free.fr (localhost [127.0.0.1]) by smtp5-g21.free.fr (Postfix) with ESMTP id 35A50D4812B; Wed, 16 Dec 2009 20:41:23 +0100 (CET) Received: from [127.0.0.1] (bur91-3-82-239-213-32.fbx.proxad.net [82.239.213.32]) by smtp5-g21.free.fr (Postfix) with ESMTP id 1576ED4809C; Wed, 16 Dec 2009 20:41:21 +0100 (CET) Message-ID: <4B2937DD.9040800@gmail.com> Date: Wed, 16 Dec 2009 20:41:17 +0100 From: Alexandru Petrescu User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: liu dapeng References: <20091019203001.A0BC83A6960@core3.amsl.com> <4B210451.6090709@gmail.com> <25e1aaa40912161020r1b55e48fjee6f0044beff99f5@mail.gmail.com> In-Reply-To: <25e1aaa40912161020r1b55e48fjee6f0044beff99f5@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Antivirus: avast! (VPS 091216-0, 16/12/2009), Outbound message X-Antivirus-Status: Clean Cc: mif@ietf.org Subject: Re: [mif] I-D Action:draft-ietf-mif-current-practices-00.txt X-BeenThere: mif@ietf.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Multiple Interface Discussion List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Dec 2009 19:41:44 -0000 liu dapeng a écrit : > Hi Alexandru, > > 2009/12/10, Alexandru Petrescu : >> MIFers, >> >> I have some comments on draft-ietf-mif-current-practices-00. >> >> First, I am happy it exists and seems very relevant to some needs. >> >> Section "3.2.2. Linux and BSD-based Operating Systems" basically talks >> DHCP and the problem of most implementations using a single default >> route. I agree with it. >> >> However, I would list more in this section. When someone tries in >> practice to use multiple interfaces on linux one gets quickly also to >> the following tools: >> >> -bridging brconf >> -"bonding" >> -tc >> >> These have certain disadvantages, for example brconf only repeats >> packets from one interface to another whereas what I want is to receive >> packets from both interfaces to a 3rd interface. "bonding" does that a >> little bit, but only works on Ethernet, it doesn't work with a ppp0 >> interface, for example. About tc I am not yet sure. >> >> There may be other tools I am not aware of and I would like to learn >> about for using multiple interfaces simultaneously. > > There are some host based router software such as "Zebra > http://www.zebra.org/" which could turn the host in to virtually a > router and the multiple interfaces of the host could be simultaneous > used. but i am not sure this could be recognized as the tools that > facilitate multiple interfaces. Well, depends. Which part of the Zebra tools do you think could help to use several interfaces simultaneously? Any particular routing protocol such as RIP or OSPF? Or something else of Zebra? Thanks, Alex > > Best regards, > Dapeng Liu > >> Alex >> >> Internet-Drafts@ietf.org a écrit : >>> A New Internet-Draft is available from the on-line Internet-Drafts >>> directories. >>> This draft is a work item of the Multiple Interfaces Working Group of the >>> IETF. >>> >>> >>> Title : Current Practices for Multiple Interface Hosts >>> Author(s) : M. Wasserman >>> Filename : draft-ietf-mif-current-practices-00.txt >>> Pages : 16 >>> Date : 2009-10-19 >>> >>> An increasing number of hosts are operating in multiple-interface >>> environments, where different network interfaces are providing >>> unequal levels of service or connectivity. This document summarizes >>> current practices in this area, and describes in detail how some >>> common operating systems cope with these challenges. >>> >>> A URL for this Internet-Draft is: >>> http://www.ietf.org/internet-drafts/draft-ietf-mif-current-practices-00.txt >>> >>> Internet-Drafts are also available by anonymous FTP at: >>> ftp://ftp.ietf.org/internet-drafts/ >>> >>> Below is the data which will enable a MIME compliant mail reader >>> implementation to automatically retrieve the ASCII version of the >>> Internet-Draft. >>> >>> >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> I-D-Announce mailing list >>> I-D-Announce@ietf.org >>> https://www.ietf.org/mailman/listinfo/i-d-announce >>> Internet-Draft directories: http://www.ietf.org/shadow.html >>> or ftp://ftp.ietf.org/ietf/1shadow-sites.txt >> >> _______________________________________________ >> mif mailing list >> mif@ietf.org >> https://www.ietf.org/mailman/listinfo/mif >> >