From v6tc-bounces@ietf.org Tue Apr 5 20:32:08 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id UAA05106; Tue, 5 Apr 2005 20:32:08 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DIyb3-0005VT-U7; Tue, 05 Apr 2005 20:40:42 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DIyST-0007X4-7w; Tue, 05 Apr 2005 20:31:49 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DIySS-0007Ww-22 for v6tc@megatron.ietf.org; Tue, 05 Apr 2005 20:31:48 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id UAA05040 for ; Tue, 5 Apr 2005 20:31:41 -0400 (EDT) Received: from mail.consulintel.es ([213.172.48.142] helo=consulintel.es) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DIyac-0005T0-EI for v6tc@ietf.org; Tue, 05 Apr 2005 20:40:15 -0400 Received: from [10.10.10.100] ([217.126.187.160]) by consulintel.es (consulintel.es [127.0.0.1]) (MDaemon.PRO.v7.2.3.R) with ESMTP id md50000896054.msg for ; Wed, 06 Apr 2005 02:34:23 +0200 User-Agent: Microsoft-Entourage/11.1.0.040913 Date: Wed, 06 Apr 2005 02:30:53 +0200 From: JORDI PALET MARTINEZ To: "v6ops@ops.ietf.org" Message-ID: In-Reply-To: <4b0b7f3167c75500b1dcb4d912f974e0@cisco.com> Mime-version: 1.0 Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit X-MDRemoteIP: 217.126.187.160 X-Return-Path: jordi.palet@consulintel.es X-MDaemon-Deliver-To: v6tc@ietf.org X-Spam-Checker-Version: SpamAssassin 2.64 (2004-01-11) on mail.consulintel.es X-Spam-Status: No, hits=-4.1 required=5.0 tests=BAYES_00,TO_ADDRESS_EQ_REAL autolearn=ham version=2.64 X-Spam-Processed: consulintel.es, Wed, 06 Apr 2005 02:34:24 +0200 X-MDAV-Processed: consulintel.es, Wed, 06 Apr 2005 02:34:26 +0200 X-Spam-Score: 0.0 (/) X-Scan-Signature: ccfb4541e989aa743998098cd315d0fd Content-Transfer-Encoding: 7bit Cc: "v6tc@ietf.org" Subject: [v6tc] Re: Tunneling and Transition Drafts X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: jordi.palet@consulintel.es List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 93df555cbdbcdae9621e5b95d44b301e Content-Transfer-Encoding: 7bit Hi Fred, all, First of all, I think is a very good question to know if the v6tc is really dead, or what, unless I've missed something, there was not any message about this. I was about to ask soon in v6tc list (copied now). Then regarding the rest of your email, without entering into many details at this point, basically agree with your view. When I started looking into the tunneling/transition work (with several documents such as TED auto-discovery and solution, auto-transition, zero-tunneling-configuration, etc.), my main goal was precisely to be able to pick up those gazillion existing mechanism and: 1) Try to automate the mechanism selection and configuration process as much as possible (and probably this doesn't need a new protocol but some guidelines about how to use existing things to do it). The idea is that this could be done even w/o modifying the existing mechanisms. I think the work here is almost done (but has not received for some of the documents, almost any feedback from the WG, specially for proposed solutions). 2) Define a new mechanism, which actually takes advantage of existing ones and a lot of deployment experience (including IPv6-dominant environments, which I'm already deploying for some customers, so there is a real need here). Clearly the deployment experience that we have now is not all what we need, but is much more than what we had when we started working in the existing mechanism (at least some of them). The point is probably to consider two basic environments narrow-band and broad-band networks (for example 3GPP or ISDN and xDSL/WLAN), but have a single mechanism, a kind of one-fits-all (or very close to that), which can self-adapt, starting from the "worst" situation (so it fits for 3GPP folks, with limited features, but no new network requirements/devices), but can improve the features offered in case there is a better link (example WLAN). For example I see the point of a cellular phone with 3GPP and WLAN, moving from one network to another. Why we need to have different mechanisms in that device, if instead we can have one which can "self-adapt" (even using different encapsulation if required, automatically). For 2) We have a draft document (even a set of slides) which depict our idea on this (our team worked the last 3-4 months on this already, in addition to all the work done in 1) and v6tc documents). If this sounds a good idea, we will be able to have an initial i-d probably in 10-15 days (may be earlier, but need to recheck some other priorities). The important thing that we have kept in mind always while working on 2) has been also to avoid designing something completely new, but instead, looking into all the existing mechanism to see which one seems to fit better and modify it a bit to match the "one-fits-all". So, insisting a bit, the point was here not to "mine is better" but "take the best and try to put it together". Our view not necessarily is perfect, of course, but we don't want to be 100% as good as native IPv6, and of course, if we start working on this in the WG, we really need a lot of input to be able to reach a consensus. Obviously choice 1) somehow exist in some OSs, but could be improved and will also support choice 2). We also need to understand that existing implementations may decide not to go quickly or 2), so some parallel work here is good and required. So answering your final question, I will opt for the consensus, and actually will like to continue our work on this (in the WG if possible), and I think it can be done in a short time if the WG contributes a bit (just a bit more than now !). Despite that, I would not exclude that some of the mechanisms want to follow their actual process and go for informational, in a parallel. At the end, depending on timing, results of 2), market will take the decision, but at least we will be able in the position, as IETF, to provide a good solution. Regards, Jordi > De: Fred Baker > Responder a: > Fecha: Tue, 5 Apr 2005 16:34:52 -0700 > Para: "v6ops@ops.ietf.org" > CC: Lindqvist Erik Kurt , David Kessens > > Asunto: Tunneling and Transition Drafts > > I need a consensus of the WG. > > In what I am about to say, someone might possibly feel their toes > stepped on. Apologies in advance - and get used to it. I have big feet, > and I often put them in my mouth. > > In taking over the working group, Kurt and I basically were presented > with the following scenario: > - this group is for operational questions (not protocols) > - this group seeks to conform to RFC 1958 (we are not here to bless > very lame solution that comes along) > - transition mechanisms are generally out of scope. > > As I understand it, v6tc (which was intended to take over all the > tunneling stuff, which is to say a large proposition of the transition > stuff) is dead in the water. The expectation was that all the > tunneling/transition stuff would move there, but the BOF was a > non-event. There isn't likely to be a v6tc WG. (Dear AD: if you > disagree, this would be a good time to say so). > > That said, there are roughly 80 gazillion different transition > solutions out there, including at least silkroad, teredo, DSTM, secure > tunnels, etc. To deploy IPv6 in a network that is in parts IPv4-only, > in parts IPv6-only, in parts dual, and in parts what Jim Bound calls > "IPv6-dominant" (which is not a bad term, btw), which I think I would > say is ipv6-only in its service but might use IPv4 internally, it seems > to me that one needs six things said or defined: > > - "please turn IPv6 on by default in your end systems" > > - "please turn IPv6 on in your enterprise network" > > - "please turn IPv6 on in your access/ISP network" > > - how to tunnel IPv6 through an IPv4-only/dominant network between > IPv6-only/dominant hosts or networks > > key attribute: static or dynamic IPv6/IPv4 tunnels between tunnel > endpoints, and appropriate routing through the IPv4 domain to > determine what the appropriate tunnel endpoint router would be. > Could be done with a DNS name not unlike a reverse lookup for > the IPv6 address but delivering an IPv4 "A" record. Could also > be done through simple routing if the tunnels sty up or use a > concept like RFC 1793. > > - how to tunnel IPv4 through an IPv6-only/dominant network between > IPv4-only/dominant hosts or networks > > key attribute: static or dynamic IPv4/IPv6 tunnels between tunnel > endpoints, and appropriate routing through the IPv4 domain to > determine what the appropriate tunnel endpoint router would be. > Could be done with a DNS name not unlike a reverse lookup for > the IPv4 address but delivering an IPv6 "AAAA" record. Could > also be done through simple routing if the tunnels sty up or use > a concept like RFC 1793. > > - how to translate IPv6->IPv4 and IPv6-IPv4 between an > IPv6-only/dominant > and an IPv4-only/dominant domain > > key attribute: translation system captures DNS lookups and > re-advertises its own address in some way, so that IPv4 hosts > seeking IPv6 peers connect to it and it translates, and IPv6 > hosts connect to it and it translates. > > Note that I didn't say what kind of tunnel. GRE, MPLS, IP/IP, IPSEC, > L2TP, who knows what else - they all must be addressed. > > I have a fairly large number of ways to do those - silkroad, teredo, > dstm, and a list of others. Each one, when it looks at the others, says > "but mine is better" or "my customers want to deploy mine now". > > I have no idea how this transition is going to happen if we can't sound > a clear signal on how to do it. > > Which brings me to my question. I am being asked by various proponents > of various things what the working group wants to do with their > approach. I need to know what the game plan for this working group is: > let a thousand flowers bloom (they can all ask for informational status > from the RFC Editor and the probability that the transition will happen > in an orderly fashion rapidly approaches zero), or I need a consensus > statement from the working group that every single approach on the > table will be set aside and the working group will actively work on > providing a single solution that meets all those needs that the IETF > can look at and say "yes, that will accomplish an orderly transition in > a timely fashion and *I*will*support*that*in*favor*of*all*others". > > Opinions? > ************************************ Barcelona 2005 Global IPv6 Summit Registration open. Information available at: http://www.ipv6-es.com This electronic message contains information which may be privileged or confidential. The information is intended to be for the use of the individual(s) named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information, including attached files, is prohibited. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Wed Apr 6 03:39:36 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id DAA10388; Wed, 6 Apr 2005 03:39:36 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJ5Gm-0002W5-Mg; Wed, 06 Apr 2005 03:48:13 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJ57v-0003cL-PI; Wed, 06 Apr 2005 03:39:03 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DIyjK-0004xA-SS for v6tc@megatron.ietf.org; Tue, 05 Apr 2005 20:49:15 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id UAA06366 for ; Tue, 5 Apr 2005 20:49:12 -0400 (EDT) Received: from sj-iport-4.cisco.com ([171.68.10.86]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DIyrZ-00063J-He for v6tc@ietf.org; Tue, 05 Apr 2005 20:57:46 -0400 Received: from sj-core-3.cisco.com (171.68.223.137) by sj-iport-4.cisco.com with ESMTP; 05 Apr 2005 17:49:04 -0700 Received: from [10.32.244.218] (stealth-10-32-244-218.cisco.com [10.32.244.218]) by sj-core-3.cisco.com (8.12.10/8.12.6) with SMTP id j360n1gT017273; Tue, 5 Apr 2005 17:49:02 -0700 (PDT) In-Reply-To: References: Mime-Version: 1.0 (Apple Message framework v619.2) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: <144826f4710aa69d457773a8c3862a53@cisco.com> Content-Transfer-Encoding: 7bit From: Fred Baker Date: Tue, 5 Apr 2005 17:49:00 -0700 To: jordi.palet@consulintel.es X-Mailer: Apple Mail (2.619.2) X-Spam-Score: 3.0 (+++) X-Scan-Signature: 68c8cc8a64a9d0402e43b8eee9fc4199 Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Wed, 06 Apr 2005 03:39:02 -0400 Cc: "v6ops@ops.ietf.org" , "v6tc@ietf.org" Subject: [v6tc] Re: Tunneling and Transition Drafts X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 3.0 (+++) X-Scan-Signature: de4f315c9369b71d7dd5909b42224370 Content-Transfer-Encoding: 7bit On Apr 5, 2005, at 5:30 PM, JORDI PALET MARTINEZ wrote: > Despite that, I would not exclude that some of the mechanisms want to > follow > their actual process and go for informational I obviously have no problem with informational notes. Teredo is going that route, Silkroad is going through the Chinese Standards Agency, DSTM appears to be opting for "just do it", and so on. I'm trying to figure out what, if anything, the IETF is going to do. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Wed Apr 6 03:56:18 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id DAA11444; Wed, 6 Apr 2005 03:56:18 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJ5Ww-0003E8-Mt; Wed, 06 Apr 2005 04:04:55 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJ5OI-0006YZ-0X; Wed, 06 Apr 2005 03:55:58 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJ5OG-0006YP-Go for v6tc@megatron.ietf.org; Wed, 06 Apr 2005 03:55:56 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id DAA11401 for ; Wed, 6 Apr 2005 03:55:54 -0400 (EDT) Received: from mail1.renater.fr ([193.49.159.8]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJ5WY-0003Cx-5S for v6tc@ietf.org; Wed, 06 Apr 2005 04:04:31 -0400 Received: from [193.49.159.162] (helo=[193.49.159.162]) by mail1.renater.fr with esmtp (Exim 4.50) id 1DJ5Nm-0007qR-DG; Wed, 06 Apr 2005 09:55:27 +0200 Message-ID: <425395F8.50501@renater.fr> Date: Wed, 06 Apr 2005 09:55:36 +0200 From: Jerome Durand User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.3) Gecko/20040910 X-Accept-Language: en-us, en MIME-Version: 1.0 To: jordi.palet@consulintel.es Subject: Re: [v6tc] Re: Tunneling and Transition Drafts References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "mail1.renater.fr", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see postmaster@renater.fr for details. Content preview: >>Opinions? I am not sure I share the view that the BOF was a non-event. There was an agreement from a *large majority* of people in the room to say that the WG should take TSP that fulfills all requirements presented, and make it a standard. Now I guess it's time to move on in that direction. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- X-Spam-Score: 3.0 (+++) X-Scan-Signature: 7bac9cb154eb5790ae3b2913587a40de Content-Transfer-Encoding: 7bit Cc: "v6ops@ops.ietf.org" , "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 3.0 (+++) X-Scan-Signature: 08170828343bcf1325e4a0fb4584481c Content-Transfer-Encoding: 7bit >>Opinions? I am not sure I share the view that the BOF was a non-event. There was an agreement from a *large majority* of people in the room to say that the WG should take TSP that fulfills all requirements presented, and make it a standard. Now I guess it's time to move on in that direction. Jerome _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Wed Apr 6 04:03:18 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id EAA12323; Wed, 6 Apr 2005 04:03:18 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJ5di-0003VE-V8; Wed, 06 Apr 2005 04:11:56 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJ5U8-00010k-Rq; Wed, 06 Apr 2005 04:02:00 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJ5U5-0000xx-Tb for v6tc@megatron.ietf.org; Wed, 06 Apr 2005 04:01:59 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id EAA12127 for ; Wed, 6 Apr 2005 04:01:55 -0400 (EDT) Received: from netcore.fi ([193.94.160.1]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJ5cO-0003SK-1o for v6tc@ietf.org; Wed, 06 Apr 2005 04:10:33 -0400 Received: from localhost (pekkas@localhost) by netcore.fi (8.11.6/8.11.6) with ESMTP id j3681bD11961; Wed, 6 Apr 2005 11:01:37 +0300 Date: Wed, 6 Apr 2005 11:01:37 +0300 (EEST) From: Pekka Savola To: Jerome Durand Subject: Re: [v6tc] Re: Tunneling and Transition Drafts In-Reply-To: <425395F8.50501@renater.fr> Message-ID: References: <425395F8.50501@renater.fr> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Score: 0.0 (/) X-Scan-Signature: 93238566e09e6e262849b4f805833007 Cc: "v6ops@ops.ietf.org" , "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 3.0 (+++) X-Scan-Signature: 9466e0365fc95844abaf7c3f15a05c7d On Wed, 6 Apr 2005, Jerome Durand wrote: >>> Opinions? > > I am not sure I share the view that the BOF was a non-event. There was an > agreement from a *large majority* of people in the room to say that the WG > should take TSP that fulfills all requirements presented, and make it a > standard. Now I guess it's time to move on in that direction. It will be interesting to see BoF minutes, because I didn't see large majority. For what it's worth, my recollection was: I saw less than about 5-10 people supporting TSP. I saw less than about 5-10 people supporting doing something new. I saw less than about 5-10 people being comfortable with existing mechanisms (like L2TP). Bottom line is that if we don't need to care about the RTT and overhead concerns at all, I can't clearly see real benefits for TSP instead of just using L2TP. -- Pekka Savola "You each name yourselves king, yet the Netcore Oy kingdom bleeds." Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Wed Apr 6 04:03:21 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id EAA12344; Wed, 6 Apr 2005 04:03:21 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJ5dn-0003VL-2V; Wed, 06 Apr 2005 04:11:59 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJ5Un-0001JV-TD; Wed, 06 Apr 2005 04:02:41 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJ5Uk-0001Hp-KY for v6tc@megatron.ietf.org; Wed, 06 Apr 2005 04:02:38 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id EAA12255 for ; Wed, 6 Apr 2005 04:02:36 -0400 (EDT) Received: from netcore.fi ([193.94.160.1]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJ5d3-0003U0-Ic for v6tc@ietf.org; Wed, 06 Apr 2005 04:11:14 -0400 Received: from localhost (pekkas@localhost) by netcore.fi (8.11.6/8.11.6) with ESMTP id j3682Sk12010 for ; Wed, 6 Apr 2005 11:02:28 +0300 Date: Wed, 6 Apr 2005 11:02:28 +0300 (EEST) From: Pekka Savola To: v6tc@ietf.org Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Score: 0.0 (/) X-Scan-Signature: 6e922792024732fb1bb6f346e63517e4 Subject: [v6tc] Re: Tunneling and Transition Drafts (fwd) X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 9a2be21919e71dc6faef12b370c4ecf5 FYI -- I didn't think this was relevant to v6tc (except about the clarification of the focus of v6tc) so I didn't add Cc:. ---------- Forwarded message ---------- Date: Wed, 6 Apr 2005 09:13:24 +0300 (EEST) From: Pekka Savola To: Fred Baker Cc: v6ops@ops.ietf.org, Lindqvist Erik Kurt , David Kessens Subject: Re: Tunneling and Transition Drafts On Tue, 5 Apr 2005, Fred Baker wrote: > As I understand it, v6tc (which was intended to take over all the tunneling > stuff, which is to say a large proposition of the transition stuff) is dead > in the water. The expectation was that all the tunneling/transition stuff > would move there, but the BOF was a non-event. There isn't likely to be a > v6tc WG. (Dear AD: if you disagree, this would be a good time to say so). No, "[v6tc] intended to take over all the tunneling stuff" was *never* the goal of v6tc. Many months ago (maybe it's at about a year now), when we first discussed how to move around with all the work that keeps coming to v6ops, one of the first proposals was to create "v6tuns" working group, working on the tunneling mechanisms. The idea was rejected in the relatively short order, and has not been seen since. We don't need another ngtrans, specifying all the transition mechanisms people come up with. (However, one, slightly better idea was to create a maintenance WG to move 6to4 to Draft Standard, figure out what to do with so-called 6over4, move rfc2893(bis) to DS, etc. -- but there would undoubtedly be a big slippery slope there, and it may be a bit too early for this activity.) > - how to tunnel IPv6 through an IPv4-only/dominant network between > IPv6-only/dominant hosts or networks > > key attribute: static or dynamic IPv6/IPv4 tunnels between tunnel > endpoints, and appropriate routing through the IPv4 domain to > determine what the appropriate tunnel endpoint router would be. > Could be done with a DNS name not unlike a reverse lookup for > the IPv6 address but delivering an IPv4 "A" record. Could also > be done through simple routing if the tunnels sty up or use a > concept like RFC 1793. The DNS lookup (after you know what you're looking for -- including "discovery" part is trickier) is not a hard problem. The real problem, which v6tc set out primarily to solve was how to set up the tunnel at both endpoints without requiring manual configuration (especially the endpoint addresses) at both ends -- and running a routing protocol between the two is a non-starter. > - how to translate IPv6->IPv4 and IPv6-IPv4 between an IPv6-only/dominant > and an IPv4-only/dominant domain > > key attribute: translation system captures DNS lookups and > re-advertises its own address in some way, so that IPv4 hosts > seeking IPv6 peers connect to it and it translates, and IPv6 > hosts connect to it and it translates. This must be badly worded because that you're saying is basically NAT-PT with DNS-ALG, which is exactly what we just decided was a bit.. um.. problematic, and requested reclassification as Experimental. > Which brings me to my question. I am being asked by various proponents of > various things what the working group wants to do with their approach. I need > to know what the game plan for this working group is: let a thousand flowers > bloom (they can all ask for informational status from the RFC Editor and the > probability that the transition will happen in an orderly fashion rapidly > approaches zero), or I need a consensus statement from the working group that > every single approach on the table will be set aside and the working group > will actively work on providing a single solution that meets all those needs > that the IETF can look at and say "yes, that will accomplish an orderly > transition in a timely fashion and If I read this correctly, you see two options: 1) let the authors publish their stuff as RFC-ed informational, if they want to, or 2) produce a Grand Unified Mechanism somewhere (here or some other WG) which solves all the needs (and hopefully world hunger besides). [This is a bit challenging as those needs include tunneling in every possible way, translation, etc.] These are a bit polarized. What I think we should do is: - obviously, allow 1) if that's what people want - not use the v6ops meeting time etc. on these proposals; short pointers on the list may be OK, but lengthy discussions should be elsewhere (discretion of the chairs to rule out stuff as out of scope, as always) - if a mechanism comes along that a lot of people actually want to work on, ask that they create a BOF, and then see if it gains sufficient momentum or not. - or the authors can obviously try to reach ADs and ask sponsoring the work; or use appropriate other WGs if the work is in scope there (e.g., 6PE (bgp tunneling) work has moved over to IDR wg) -- Pekka Savola "You each name yourselves king, yet the Netcore Oy kingdom bleeds." Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Wed Apr 6 05:33:43 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA19333; Wed, 6 Apr 2005 05:33:43 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJ73F-0006bB-Dv; Wed, 06 Apr 2005 05:42:22 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJ6ty-0005Xi-Fe; Wed, 06 Apr 2005 05:32:46 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJ6tw-0005Xa-Jp for v6tc@megatron.ietf.org; Wed, 06 Apr 2005 05:32:44 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA19256 for ; Wed, 6 Apr 2005 05:32:42 -0400 (EDT) Received: from mgw-x1.nokia.com ([131.228.20.21]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJ72F-0006aE-L9 for v6tc@ietf.org; Wed, 06 Apr 2005 05:41:21 -0400 Received: from esdks002.ntc.nokia.com (esdks002.ntc.nokia.com [172.21.138.121]) by mgw-x1.nokia.com (Switch-2.2.8/Switch-2.2.8) with ESMTP id j369WTG01850; Wed, 6 Apr 2005 12:32:30 +0300 (EET DST) X-Scanned: Wed, 6 Apr 2005 12:31:47 +0300 Nokia Message Protector V1.3.34 2004121512 - RELEASE Received: (from root@localhost) by esdks002.ntc.nokia.com (8.12.9/8.12.9) id j369Vl6A005729; Wed, 6 Apr 2005 12:31:47 +0300 Received: from mgw-int1.ntc.nokia.com (172.21.143.96) by esdks002.ntc.nokia.com 00ccSVQj; Wed, 06 Apr 2005 12:29:47 EEST Received: from esebh003.NOE.Nokia.com (esebh003.ntc.nokia.com [172.21.138.82]) by mgw-int1.ntc.nokia.com (Switch-2.2.8/Switch-2.2.8) with ESMTP id j369ThM11673; Wed, 6 Apr 2005 12:29:43 +0300 (EET DST) Received: from esebh101.NOE.Nokia.com ([172.21.138.177]) by esebh003.NOE.Nokia.com with Microsoft SMTPSVC(5.0.2195.6881); Wed, 6 Apr 2005 12:29:37 +0300 Received: from esebe100.NOE.Nokia.com ([172.21.138.118]) by esebh101.NOE.Nokia.com with Microsoft SMTPSVC(6.0.3790.211); Wed, 6 Apr 2005 12:29:37 +0300 Received: from 172.21.154.156 ([172.21.154.156]) by esebe100.NOE.Nokia.com ([172.21.138.118]) with Microsoft Exchange Server HTTP-DAV ; Wed, 6 Apr 2005 09:29:37 +0000 Received: from essrv103nok154156.ntc.nokia.com by ESEBE100.noe.nokia.com; 06 Apr 2005 12:29:37 +0300 Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: "Soininen Jonne (Nokia-NET/Helsinki)" To: ext Fred Baker In-Reply-To: <144826f4710aa69d457773a8c3862a53@cisco.com> References: <144826f4710aa69d457773a8c3862a53@cisco.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1112779776.5681.149.camel@essrv103nok154156.ntc.nokia.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Wed, 06 Apr 2005 12:29:37 +0300 X-OriginalArrivalTime: 06 Apr 2005 09:29:37.0814 (UTC) FILETIME=[26F14B60:01C53A8B] X-Spam-Score: 0.0 (/) X-Scan-Signature: 39bd8f8cbb76cae18b7e23f7cf6b2b9f Content-Transfer-Encoding: 7bit Cc: "v6ops@ops.ietf.org" , "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 3.0 (+++) X-Scan-Signature: a7d6aff76b15f3f56fcb94490e1052e4 Content-Transfer-Encoding: 7bit Fred, On Wed, 2005-04-06 at 03:49, ext Fred Baker wrote: > On Apr 5, 2005, at 5:30 PM, JORDI PALET MARTINEZ wrote: > > > Despite that, I would not exclude that some of the mechanisms want to > > follow > > their actual process and go for informational > > I obviously have no problem with informational notes. Teredo is going > that route, Silkroad is going through the Chinese Standards Agency, > DSTM appears to be opting for "just do it", and so on. Just a simple correction: Teredo is going to Proposed as individual submission. ISATAP on the other hand is going to Informational. > > I'm trying to figure out what, if anything, the IETF is going to do. Tell me as well, if you find out... ;) Cheers, Jonne. > > _______________________________________________ > v6tc mailing list > v6tc@ietf.org > https://www1.ietf.org/mailman/listinfo/v6tc -- Jonne Soininen Nokia Tel: +358 40 527 46 34 E-mail: jonne.soininen@nokia.com _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Wed Apr 6 10:06:51 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id KAA14479; Wed, 6 Apr 2005 10:06:51 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJBJb-000058-Vq; Wed, 06 Apr 2005 10:15:32 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJB6h-0005lB-1Q; Wed, 06 Apr 2005 10:02:11 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJB6f-0005k1-2G for v6tc@megatron.ietf.org; Wed, 06 Apr 2005 10:02:09 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id KAA13603 for ; Wed, 6 Apr 2005 10:02:06 -0400 (EDT) Received: from mail1.renater.fr ([193.49.159.8]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJBEz-0008Ne-Vx for v6tc@ietf.org; Wed, 06 Apr 2005 10:10:47 -0400 Received: from [193.49.159.162] (helo=[193.49.159.162]) by mail1.renater.fr with esmtp (Exim 4.50) id 1DJB6C-0001s5-Q0; Wed, 06 Apr 2005 16:01:42 +0200 Message-ID: <4253EBCF.8030800@renater.fr> Date: Wed, 06 Apr 2005 16:01:51 +0200 From: Jerome Durand User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.3) Gecko/20040910 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Pekka Savola Subject: Re: [v6tc] Re: Tunneling and Transition Drafts References: <425395F8.50501@renater.fr> In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "mail1.renater.fr", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see postmaster@renater.fr for details. Content preview: Well, on my notes I have the question Alain asked at the end that was: "Who would be happy if TC just take TSP and make it an RFC?" You don't mention this question that had a large majority of yes. Then I would be happy to get the "official" minutes as well :) [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- X-Spam-Score: 3.0 (+++) X-Scan-Signature: bb8f917bb6b8da28fc948aeffb74aa17 Content-Transfer-Encoding: 7bit Cc: "v6ops@ops.ietf.org" , "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 3.0 (+++) X-Scan-Signature: 7baded97d9887f7a0c7e8a33c2e3ea1b Content-Transfer-Encoding: 7bit Well, on my notes I have the question Alain asked at the end that was: "Who would be happy if TC just take TSP and make it an RFC?" You don't mention this question that had a large majority of yes. Then I would be happy to get the "official" minutes as well :) Jerome Pekka Savola wrote: > On Wed, 6 Apr 2005, Jerome Durand wrote: > >>>> Opinions? >> >> >> I am not sure I share the view that the BOF was a non-event. There was >> an agreement from a *large majority* of people in the room to say that >> the WG should take TSP that fulfills all requirements presented, and >> make it a standard. Now I guess it's time to move on in that direction. > > > It will be interesting to see BoF minutes, because I didn't see large > majority. For what it's worth, my recollection was: > > I saw less than about 5-10 people supporting TSP. > I saw less than about 5-10 people supporting doing something new. > I saw less than about 5-10 people being comfortable with existing > mechanisms (like L2TP). > > Bottom line is that if we don't need to care about the RTT and overhead > concerns at all, I can't clearly see real benefits for TSP instead of > just using L2TP. > _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Thu Apr 7 12:34:36 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id MAA12164; Thu, 7 Apr 2005 12:34:36 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJa6O-0001aP-IH; Thu, 07 Apr 2005 12:43:32 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJZns-0007zY-AC; Thu, 07 Apr 2005 12:24:24 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJZnq-0007z4-Pj for v6tc@megatron.ietf.org; Thu, 07 Apr 2005 12:24:23 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id MAA10803 for ; Thu, 7 Apr 2005 12:24:19 -0400 (EDT) Received: from mailout.zma.compaq.com ([161.114.64.103] helo=zmamail03.zma.compaq.com) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJZwN-00012Z-Vm for v6tc@ietf.org; Thu, 07 Apr 2005 12:33:15 -0400 Received: from tayexg11.americas.cpqcorp.net (tayexg11.americas.cpqcorp.net [16.103.130.186]) by zmamail03.zma.compaq.com (Postfix) with ESMTP id 7D56188; Thu, 7 Apr 2005 12:24:07 -0400 (EDT) Received: from tayexc13.americas.cpqcorp.net ([16.103.130.26]) by tayexg11.americas.cpqcorp.net with Microsoft SMTPSVC(6.0.3790.211); Thu, 7 Apr 2005 12:24:07 -0400 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Subject: RE: [v6tc] Re: Tunneling and Transition Drafts Date: Thu, 7 Apr 2005 12:24:06 -0400 Message-ID: <9C422444DE99BC46B3AD3C6EAFC9711B08C656AD@tayexc13.americas.cpqcorp.net> Thread-Topic: [v6tc] Re: Tunneling and Transition Drafts Thread-Index: AcU6fux+IUjxYLlATS2qtLY+xkOAagAthQcw From: "Bound, Jim" To: "Pekka Savola" , "Jerome Durand" X-OriginalArrivalTime: 07 Apr 2005 16:24:07.0296 (UTC) FILETIME=[38B8D800:01C53B8E] X-Spam-Score: 0.0 (/) X-Scan-Signature: cab78e1e39c4b328567edb48482b6a69 Content-Transfer-Encoding: quoted-printable Cc: v6ops@ops.ietf.org, v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 0ddefe323dd869ab027dbfff7eff0465 Content-Transfer-Encoding: quoted-printable I agree strongly with Pekka. I still see no strong argument for a vtc working group. /jim=20 > -----Original Message----- > From: v6tc-bounces@ietf.org [mailto:v6tc-bounces@ietf.org] On=20 > Behalf Of Pekka Savola > Sent: Wednesday, April 06, 2005 4:02 AM > To: Jerome Durand > Cc: v6ops@ops.ietf.org; v6tc@ietf.org > Subject: Re: [v6tc] Re: Tunneling and Transition Drafts >=20 > On Wed, 6 Apr 2005, Jerome Durand wrote: > >>> Opinions? > > > > I am not sure I share the view that the BOF was a=20 > non-event. There was an=20 > > agreement from a *large majority* of people in the room to=20 > say that the WG=20 > > should take TSP that fulfills all requirements presented,=20 > and make it a=20 > > standard. Now I guess it's time to move on in that direction. >=20 > It will be interesting to see BoF minutes, because I didn't see large=20 > majority. For what it's worth, my recollection was: >=20 > I saw less than about 5-10 people supporting TSP. > I saw less than about 5-10 people supporting doing something new. > I saw less than about 5-10 people being comfortable with existing > mechanisms (like L2TP). >=20 > Bottom line is that if we don't need to care about the RTT and=20 > overhead concerns at all, I can't clearly see real benefits for TSP=20 > instead of just using L2TP. >=20 > --=20 > Pekka Savola "You each name yourselves king, yet the > Netcore Oy kingdom bleeds." > Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings >=20 > _______________________________________________ > v6tc mailing list > v6tc@ietf.org > https://www1.ietf.org/mailman/listinfo/v6tc >=20 _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Thu Apr 7 12:35:15 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id MAA12303; Thu, 7 Apr 2005 12:35:15 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJa71-0001cn-FV; Thu, 07 Apr 2005 12:44:11 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJZns-0007zT-2g; Thu, 07 Apr 2005 12:24:24 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJZnq-0007z3-Os for v6tc@megatron.ietf.org; Thu, 07 Apr 2005 12:24:22 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id MAA10805 for ; Thu, 7 Apr 2005 12:24:19 -0400 (EDT) Received: from zmamail05.zma.compaq.com ([161.114.64.105]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJZwO-00012a-2j for v6tc@ietf.org; Thu, 07 Apr 2005 12:33:15 -0400 Received: from tayexg12.americas.cpqcorp.net (tayexg12.americas.cpqcorp.net [16.103.130.127]) by zmamail05.zma.compaq.com (Postfix) with ESMTP id 7866A30DE; Thu, 7 Apr 2005 12:24:08 -0400 (EDT) Received: from tayexc13.americas.cpqcorp.net ([16.103.130.26]) by tayexg12.americas.cpqcorp.net with Microsoft SMTPSVC(6.0.3790.211); Thu, 7 Apr 2005 12:24:08 -0400 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Subject: RE: [v6tc] Re: Tunneling and Transition Drafts Date: Thu, 7 Apr 2005 12:24:08 -0400 Message-ID: <9C422444DE99BC46B3AD3C6EAFC9711B08C656AE@tayexc13.americas.cpqcorp.net> Thread-Topic: [v6tc] Re: Tunneling and Transition Drafts Thread-Index: AcU6i79dV0AWS+cTSw2tQXnLRIpzTwAqWGOg From: "Bound, Jim" To: "Soininen Jonne (Nokia-NET/Helsinki)" , "ext Fred Baker" X-OriginalArrivalTime: 07 Apr 2005 16:24:08.0409 (UTC) FILETIME=[3962AC90:01C53B8E] X-Spam-Score: 0.0 (/) X-Scan-Signature: f607d15ccc2bc4eaf3ade8ffa8af02a0 Content-Transfer-Encoding: quoted-printable Cc: v6ops@ops.ietf.org, v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 52f7a77164458f8c7b36b66787c853da Content-Transfer-Encoding: quoted-printable DSTM will send its draft in as experimental and standardize it out of the IETF. We are working that process now and it will become a deployment standard. Teredo, ISATAP, and others are welcome to this process too send me private eamil and I will explain. /jim=20 > -----Original Message----- > From: v6tc-bounces@ietf.org [mailto:v6tc-bounces@ietf.org] On=20 > Behalf Of Soininen Jonne (Nokia-NET/Helsinki) > Sent: Wednesday, April 06, 2005 5:30 AM > To: ext Fred Baker > Cc: v6ops@ops.ietf.org; v6tc@ietf.org > Subject: Re: [v6tc] Re: Tunneling and Transition Drafts >=20 > Fred, >=20 >=20 > On Wed, 2005-04-06 at 03:49, ext Fred Baker wrote: > > On Apr 5, 2005, at 5:30 PM, JORDI PALET MARTINEZ wrote: > >=20 > > > Despite that, I would not exclude that some of the=20 > mechanisms want to=20 > > > follow > > > their actual process and go for informational > >=20 > > I obviously have no problem with informational notes.=20 > Teredo is going=20 > > that route, Silkroad is going through the Chinese Standards Agency,=20 > > DSTM appears to be opting for "just do it", and so on. >=20 > Just a simple correction: Teredo is going to Proposed as individual > submission. ISATAP on the other hand is going to Informational.=20 >=20 > >=20 > > I'm trying to figure out what, if anything, the IETF is going to do. >=20 > Tell me as well, if you find out... ;) >=20 > Cheers, >=20 > Jonne. >=20 > >=20 > > _______________________________________________ > > v6tc mailing list > > v6tc@ietf.org > > https://www1.ietf.org/mailman/listinfo/v6tc > --=20 > Jonne Soininen > Nokia >=20 > Tel: +358 40 527 46 34 > E-mail: jonne.soininen@nokia.com >=20 > _______________________________________________ > v6tc mailing list > v6tc@ietf.org > https://www1.ietf.org/mailman/listinfo/v6tc >=20 _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Thu Apr 7 14:59:42 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id OAA27098; Thu, 7 Apr 2005 14:59:42 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJcMo-0006o7-7E; Thu, 07 Apr 2005 15:08:38 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJcAe-0000v9-I2; Thu, 07 Apr 2005 14:56:04 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJcAc-0000v4-Fh for v6tc@megatron.ietf.org; Thu, 07 Apr 2005 14:56:02 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id OAA26838 for ; Thu, 7 Apr 2005 14:56:00 -0400 (EDT) Received: from e3.ny.us.ibm.com ([32.97.182.143]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJcJD-0006hz-9Q for v6tc@ietf.org; Thu, 07 Apr 2005 15:04:56 -0400 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e3.ny.us.ibm.com (8.12.11/8.12.11) with ESMTP id j37Itp02022713 for ; Thu, 7 Apr 2005 14:55:51 -0400 Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay04.pok.ibm.com (8.12.10/NCO/VER6.6) with ESMTP id j37Itpgv247834 for ; Thu, 7 Apr 2005 14:55:51 -0400 Received: from d01av04.pok.ibm.com (loopback [127.0.0.1]) by d01av04.pok.ibm.com (8.12.11/8.12.11) with ESMTP id j37ItovU019378 for ; Thu, 7 Apr 2005 14:55:51 -0400 Received: from rotala.raleigh.ibm.com (rotala.raleigh.ibm.com [9.37.211.15]) by d01av04.pok.ibm.com (8.12.11/8.12.11) with ESMTP id j37ItoPF019360; Thu, 7 Apr 2005 14:55:50 -0400 Received: from rotala.raleigh.ibm.com (rotala.raleigh.ibm.com [127.0.0.1]) by rotala.raleigh.ibm.com (8.13.1/8.12.5) with ESMTP id j37IseAs006430; Thu, 7 Apr 2005 14:54:42 -0400 Message-Id: <200504071854.j37IseAs006430@rotala.raleigh.ibm.com> To: jordi.palet@consulintel.es Subject: Re: [v6tc] Re: Tunneling and Transition Drafts In-Reply-To: Message from jordi.palet@consulintel.es of "Wed, 06 Apr 2005 02:30:53 +0200." Date: Thu, 07 Apr 2005 14:54:40 -0400 From: Thomas Narten X-Spam-Score: 0.0 (/) X-Scan-Signature: b19722fc8d3865b147c75ae2495625f2 Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 69a74e02bbee44ab4f8eafdbcedd94a1 Note: v6ops bcc'ed, followups in v6tc please. > First of all, I think is a very good question to know if the v6tc is really > dead, or what, unless I've missed something, there was not any message about > this. I was about to ask soon in v6tc list (copied now). To be honest, I'm not entirely sure myself. And this is after a rather lot of hallway conversation in Minneapolis. Truth in advertising: I've always been a bit skeptical of this work, and probably continue to be, with the main reason being that I do not see a clear/easy/obvious solution here and I worried alot (while I still wore an AD hat) about starting a WG that wouldn't be able to actually come to closure and complete useful work. It is not enough to want a solution -- a solution must also be achievable. (This comment applies mostly the "tunnel endpoint discovery problem".) I do detect that there are folk that want to form a WG and that there are some that believe there is a problem here to be solved (that needs solving), but so far (AFAIK) the problem hasn't been articulated clearly and (still) strikes me as a bit of a moving target. One (big!) example. There was lots of talk at the BOF and in the presentation about the need for low latency, i.e., it was a "requirement". And I hear "wireless" mentioned and "3G" at approximately the same time. But, my understanding is that 3GPP has already decided to go with ISATAP. So, they aren't a customer for this work. But if that is the case, where is the real requirement for low latency coming from? Is my understanding correct in this regard? Thomas _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Thu Apr 7 15:34:32 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA00581; Thu, 7 Apr 2005 15:34:31 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJcuW-0007tk-FD; Thu, 07 Apr 2005 15:43:28 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJccP-00089B-ME; Thu, 07 Apr 2005 15:24:45 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJccO-000895-EK for v6tc@megatron.ietf.org; Thu, 07 Apr 2005 15:24:44 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA29898 for ; Thu, 7 Apr 2005 15:24:42 -0400 (EDT) Received: from e34.co.us.ibm.com ([32.97.110.132]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJckz-0007Z3-Ht for v6tc@ietf.org; Thu, 07 Apr 2005 15:33:38 -0400 Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by e34.co.us.ibm.com (8.12.10/8.12.9) with ESMTP id j37JOT5b277358 for ; Thu, 7 Apr 2005 15:24:29 -0400 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay04.boulder.ibm.com (8.12.10/NCO/VER6.6) with ESMTP id j37JOTtQ176302 for ; Thu, 7 Apr 2005 13:24:29 -0600 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.12.11/8.12.11) with ESMTP id j37JOS5M005829 for ; Thu, 7 Apr 2005 13:24:28 -0600 Received: from rotala.raleigh.ibm.com (rotala.raleigh.ibm.com [9.37.211.15]) by d03av02.boulder.ibm.com (8.12.11/8.12.11) with ESMTP id j37JOS9r005802; Thu, 7 Apr 2005 13:24:28 -0600 Received: from rotala.raleigh.ibm.com (rotala.raleigh.ibm.com [127.0.0.1]) by rotala.raleigh.ibm.com (8.13.1/8.12.5) with ESMTP id j37JNIHd007867; Thu, 7 Apr 2005 15:23:19 -0400 Message-Id: <200504071923.j37JNIHd007867@rotala.raleigh.ibm.com> To: Fred Baker Subject: Re: Fwd: [v6tc] Re: Tunneling and Transition Drafts In-Reply-To: Message from fred@cisco.com of "Thu, 07 Apr 2005 12:17:54 PDT." <57487a6b06bfa321c9d568d3ea7d074e@cisco.com> Date: Thu, 07 Apr 2005 15:23:18 -0400 From: Thomas Narten X-Spam-Score: 0.0 (/) X-Scan-Signature: 7a6398bf8aaeabc7a7bb696b6b0a2aad Cc: v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 856eb5f76e7a34990d1d457d8e8e5b7f Hi Fred. If you are looking for an answer to your question of whether v6tc will form a WG, the answer is "we don't know yet". I assumed v6ops doesn't care to see the follow-up discussion (which will probably not be short) that will be needed to add additional clarity to this question. But maybe I'm wrong. And certainly, when the answer to that question becomes more clear, I'd be happy to relay that message to you. Thomas _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Thu Apr 7 17:03:45 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id RAA07760; Thu, 7 Apr 2005 17:03:44 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJeIs-0002bi-PT; Thu, 07 Apr 2005 17:12:43 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJe4r-000328-M4; Thu, 07 Apr 2005 16:58:13 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJe4q-00031m-Ce for v6tc@megatron.ietf.org; Thu, 07 Apr 2005 16:58:12 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA07346 for ; Thu, 7 Apr 2005 16:58:05 -0400 (EDT) Received: from mail.consulintel.es ([213.172.48.142] helo=consulintel.es) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJeDN-0002Pc-Ox for v6tc@ietf.org; Thu, 07 Apr 2005 17:07:03 -0400 Received: from [10.10.10.100] ([217.126.187.160]) by consulintel.es (consulintel.es [127.0.0.1]) (MDaemon.PRO.v7.2.3.R) with ESMTP id md50000901991.msg for ; Thu, 07 Apr 2005 23:01:04 +0200 User-Agent: Microsoft-Entourage/11.1.0.040913 Date: Thu, 07 Apr 2005 22:57:39 +0200 Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: JORDI PALET MARTINEZ To: Fred Baker , Thomas Narten Message-ID: In-Reply-To: Mime-version: 1.0 Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit X-MDRemoteIP: 217.126.187.160 X-Return-Path: jordi.palet@consulintel.es X-MDaemon-Deliver-To: v6tc@ietf.org X-Spam-Checker-Version: SpamAssassin 2.64 (2004-01-11) on mail.consulintel.es X-Spam-Status: No, hits=-4.9 required=5.0 tests=BAYES_00 autolearn=no version=2.64 X-Spam-Processed: consulintel.es, Thu, 07 Apr 2005 23:01:09 +0200 X-MDAV-Processed: consulintel.es, Thu, 07 Apr 2005 23:01:09 +0200 X-Spam-Score: 0.0 (/) X-Scan-Signature: 50a516d93fd399dc60588708fd9a3002 Content-Transfer-Encoding: 7bit Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: jordi.palet@consulintel.es List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 7aafa0432175920a4b3e118e16c5cb64 Content-Transfer-Encoding: 7bit Fred, The point is that all that work was already in v6ops and fits in the charter, so unless v6tc or something else take over with a specific WG, I will say, there should be no problem to continue in v6ops. My intend is to continue this work, even if it needs to be done as personal document, but of course, will be better and much more happy if it becomes a WG document, and consequently will have more inputs and a higher level of consensus. Regards, Jordi > De: Fred Baker > Responder a: > Fecha: Thu, 7 Apr 2005 13:02:28 -0700 > Para: Thomas Narten > CC: , "v6tc@ietf.org" > Asunto: Re: [v6tc] Re: Tunneling and Transition Drafts > > On Apr 7, 2005, at 12:23 PM, Thomas Narten wrote: >> I assumed v6ops doesn't care to see the follow-up discussion (which >> will probably not be short) that will be needed to add additional >> clarity to this question. > > I have authors that are very interested in figuring out where to do > their work. I have sent notes to the AD and gotten no response. I'm > looking for guidance. > > I just hope that I get a clear answer from someone somewhere that I can > use to definitively decide what gets accepted in my working group, what > gets accepted somewhere else, and what doesn't get accepted. ************************************ Barcelona 2005 Global IPv6 Summit Registration open. Information available at: http://www.ipv6-es.com This electronic message contains information which may be privileged or confidential. The information is intended to be for the use of the individual(s) named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information, including attached files, is prohibited. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Thu Apr 7 17:51:38 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id RAA11777; Thu, 7 Apr 2005 17:51:38 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJf3D-0004IB-Tn; Thu, 07 Apr 2005 18:00:37 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJeiB-000530-Cu; Thu, 07 Apr 2005 17:38:51 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJcW1-0006eR-EY for v6tc@megatron.ietf.org; Thu, 07 Apr 2005 15:18:10 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA29292 for ; Thu, 7 Apr 2005 15:18:07 -0400 (EDT) Received: from sj-iport-2-in.cisco.com ([171.71.176.71] helo=sj-iport-2.cisco.com) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJcec-0007Mo-Ev for v6tc@ietf.org; Thu, 07 Apr 2005 15:27:03 -0400 Received: from sj-core-5.cisco.com (171.71.177.238) by sj-iport-2.cisco.com with ESMTP; 07 Apr 2005 12:17:59 -0700 Received: from imail.cisco.com (imail.cisco.com [128.107.200.91]) by sj-core-5.cisco.com (8.12.10/8.12.6) with ESMTP id j37JHuZV002541; Thu, 7 Apr 2005 12:17:56 -0700 (PDT) Received: from [10.32.244.218] (stealth-10-32-244-218.cisco.com [10.32.244.218]) by imail.cisco.com (8.12.11/8.12.10) with SMTP id j37J9ix9024232; Thu, 7 Apr 2005 12:09:44 -0700 Mime-Version: 1.0 (Apple Message framework v619.2) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: <57487a6b06bfa321c9d568d3ea7d074e@cisco.com> Content-Transfer-Encoding: 7bit From: Fred Baker Subject: Fwd: [v6tc] Re: Tunneling and Transition Drafts Date: Thu, 7 Apr 2005 12:17:54 -0700 To: Thomas Narten X-Mailer: Apple Mail (2.619.2) IIM-SIG: v:"1.1"; h:"imail.cisco.com"; d:"cisco.com"; z:"home"; m:"krs"; t:"1112900985.16272"; x:"432200"; a:"rsa-sha1"; b:"nofws:2036"; e:"Iw=="; n:"sQYarK2E51MdcTiUqeif3F7cWdxIfoCiXhdfb9vD5ee/j0jXL15gbFxF2p" "XIweAblu0N6XAgK7k+wrbr7bQDJaCDqOmzqpRUBjIRQAXQ7NzadpmR3pUL6wxaRUtW+c43sl9jC" "50Qg1sXHpPjt8Y+Y16ioyQAQAdSunM4YhevURc="; s:"CKHr3FE0JFQ4FtR2LpYrZ/q4of3h1EQre9jc27orsHUtwpS9CfE+oZCHaetBxQT523QzNkIg" "iXTLlnRAmKLTbI4nXBpp3N4hEMayTy+QPMibV1wkVrXsjaBQryFFXKEz7t14F4qS96vYIBy/6Ie" "oi7RB0Pst9EN9KslN36JFreo="; c:"From: Fred Baker "; c:"Subject: Fwd: [v6tc] Re: Tunneling and Transition Drafts "; c:"Date: Thu, 7 Apr 2005 12:17:54 -0700" IIM-VERIFY: s:"y"; v:"y"; r:"60"; h:"imail.cisco.com"; c:"message from imail.cisco.com verified; " X-Spam-Score: 0.0 (/) X-Scan-Signature: f607d15ccc2bc4eaf3ade8ffa8af02a0 Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Thu, 07 Apr 2005 17:38:49 -0400 Cc: v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 52f7a77164458f8c7b36b66787c853da Content-Transfer-Encoding: 7bit I really don't appreciate the question I put forward being moved to a place I am not a participant in. Do you have any intent to return an answer to me, or do I have to hunt around for a way to enter a BOF I have no intention of contributing to? Begin forwarded message: > From: Thomas Narten > Date: April 7, 2005 11:54:40 AM PDT > Subject: Re: [v6tc] Re: Tunneling and Transition Drafts > > ------- Blind-Carbon-Copy > > To: jordi.palet@consulintel.es > cc: "v6tc@ietf.org" > Subject: Re: [v6tc] Re: Tunneling and Transition Drafts > In-Reply-To: Message from jordi.palet@consulintel.es > of "Wed, 06 Apr 2005 02:30:53 +0200." > > Date: Thu, 07 Apr 2005 14:54:40 -0400 > From: Thomas Narten > > Note: v6ops bcc'ed, followups in v6tc please. > >> First of all, I think is a very good question to know if the v6tc is >> really >> dead, or what, unless I've missed something, there was not any >> message about >> this. I was about to ask soon in v6tc list (copied now). > > To be honest, I'm not entirely sure myself. And this is after a rather > lot of hallway conversation in Minneapolis. > > Truth in advertising: I've always been a bit skeptical of this work, > and probably continue to be, with the main reason being that I do not > see a clear/easy/obvious solution here and I worried alot (while I > still wore an AD hat) about starting a WG that wouldn't be able to > actually come to closure and complete useful work. It is not enough to > want a solution -- a solution must also be achievable. (This comment > applies mostly the "tunnel endpoint discovery problem".) > > I do detect that there are folk that want to form a WG and that there > are some that believe there is a problem here to be solved (that needs > solving), but so far (AFAIK) the problem hasn't been articulated > clearly and (still) strikes me as a bit of a moving target. > > One (big!) example. There was lots of talk at the BOF and in the > presentation about the need for low latency, i.e., it was a > "requirement". And I hear "wireless" mentioned and "3G" at > approximately the same time. But, my understanding is that 3GPP has > already decided to go with ISATAP. So, they aren't a customer for this > work. But if that is the case, where is the real requirement for low > latency coming from? > > Is my understanding correct in this regard? > > Thomas > > ------- End of Blind-Carbon-Copy > _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Thu Apr 7 17:52:39 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id RAA11913; Thu, 7 Apr 2005 17:52:39 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJf4D-0004LD-C8; Thu, 07 Apr 2005 18:01:38 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJeiB-000535-Jk; Thu, 07 Apr 2005 17:38:51 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJdDI-0007vb-7R for v6tc@megatron.ietf.org; Thu, 07 Apr 2005 16:02:52 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA02976 for ; Thu, 7 Apr 2005 16:02:49 -0400 (EDT) Received: from sj-iport-2-in.cisco.com ([171.71.176.71] helo=sj-iport-2.cisco.com) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJdLt-0000Z1-Ox for v6tc@ietf.org; Thu, 07 Apr 2005 16:11:47 -0400 Received: from sj-core-2.cisco.com (171.71.177.254) by sj-iport-2.cisco.com with ESMTP; 07 Apr 2005 13:02:42 -0700 Received: from imail.cisco.com (imail.cisco.com [128.107.200.91]) by sj-core-2.cisco.com (8.12.10/8.12.6) with ESMTP id j37K2YgE005604; Thu, 7 Apr 2005 13:02:34 -0700 (PDT) Received: from [10.32.244.218] (stealth-10-32-244-218.cisco.com [10.32.244.218]) by imail.cisco.com (8.12.11/8.12.10) with SMTP id j37JsR4d024788; Thu, 7 Apr 2005 12:54:27 -0700 In-Reply-To: <200504071923.j37JNIHd007867@rotala.raleigh.ibm.com> References: <200504071923.j37JNIHd007867@rotala.raleigh.ibm.com> Mime-Version: 1.0 (Apple Message framework v619.2) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: Content-Transfer-Encoding: 7bit From: Fred Baker Subject: Re: [v6tc] Re: Tunneling and Transition Drafts Date: Thu, 7 Apr 2005 13:02:28 -0700 To: Thomas Narten X-Mailer: Apple Mail (2.619.2) IIM-SIG: v:"1.1"; h:"imail.cisco.com"; d:"cisco.com"; z:"home"; m:"krs"; t:"1112903667.913559"; x:"432200"; a:"rsa-sha1"; b:"nofws:473"; e:"Iw=="; n:"sQYarK2E51MdcTiUqeif3F7cWdxIfoCiXhdfb9vD5ee/j0jXL15gbFxF2p" "XIweAblu0N6XAgK7k+wrbr7bQDJaCDqOmzqpRUBjIRQAXQ7NzadpmR3pUL6wxaRUtW+c43sl9jC" "50Qg1sXHpPjt8Y+Y16ioyQAQAdSunM4YhevURc="; s:"X6NgG6BoTIf7de4u1oXHLl5WedMc/CttG45AbXW2d5c5nZm/6kx7nHgDwe3uMg3XdaLVZG2m" "vCc/W7wbHfRyvNNvHssWRUFbQV0YgkpdnYMJ/j9I6HoUG4eFFeHFgxK1Uom+O2hVHnOe93nKNZd" "fUMjAvE7sPbwRDFYW8hbEHio="; c:"From: Fred Baker "; c:"Subject: Re: [v6tc] Re: Tunneling and Transition Drafts "; c:"Date: Thu, 7 Apr 2005 13:02:28 -0700" IIM-VERIFY: s:"y"; v:"y"; r:"60"; h:"imail.cisco.com"; c:"message from imail.cisco.com verified; " X-Spam-Score: 0.0 (/) X-Scan-Signature: 68c8cc8a64a9d0402e43b8eee9fc4199 Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Thu, 07 Apr 2005 17:38:49 -0400 Cc: v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: de4f315c9369b71d7dd5909b42224370 Content-Transfer-Encoding: 7bit On Apr 7, 2005, at 12:23 PM, Thomas Narten wrote: > I assumed v6ops doesn't care to see the follow-up discussion (which > will probably not be short) that will be needed to add additional > clarity to this question. I have authors that are very interested in figuring out where to do their work. I have sent notes to the AD and gotten no response. I'm looking for guidance. I just hope that I get a clear answer from someone somewhere that I can use to definitively decide what gets accepted in my working group, what gets accepted somewhere else, and what doesn't get accepted. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 00:28:30 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id AAA10807; Fri, 8 Apr 2005 00:28:30 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJlFN-0008Iq-35; Fri, 08 Apr 2005 00:37:33 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJl2O-0001Uo-Ph; Fri, 08 Apr 2005 00:24:08 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJl2M-0001Uj-SL for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 00:24:07 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id AAA10550 for ; Fri, 8 Apr 2005 00:24:01 -0400 (EDT) Received: from mailout3.samsung.com ([203.254.224.33]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJlAx-000899-Ua for v6tc@ietf.org; Fri, 08 Apr 2005 00:33:03 -0400 Received: from custom-daemon.mailout3.samsung.com by mailout3.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) id <0IEM00H071JQ66@mailout3.samsung.com> for v6tc@ietf.org; Fri, 08 Apr 2005 13:23:50 +0900 (KST) Received: from ep_mmp2 (mailout3.samsung.com [203.254.224.33]) by mailout3.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTP id <0IEM0012E1JQYZ@mailout3.samsung.com> for v6tc@ietf.org; Fri, 08 Apr 2005 13:23:50 +0900 (KST) Received: from daniel ([168.219.198.108]) by mmp2.samsung.com (iPlanet Messaging Server 5.2 HotFix 1.17 (built Jun 23 2003)) with ESMTPA id <0IEM00BU71JPLY@mmp2.samsung.com> for v6tc@ietf.org; Fri, 08 Apr 2005 13:23:49 +0900 (KST) Date: Fri, 08 Apr 2005 13:23:28 +0900 From: Soohong Daniel Park Subject: RE: [v6tc] Re: Tunneling and Transition Drafts In-reply-to: <9C422444DE99BC46B3AD3C6EAFC9711B08C656AE@tayexc13.americas.cpqcorp.net> To: "'Bound, Jim'" , "'Soininen Jonne (Nokia-NET/Helsinki)'" , "'ext Fred Baker'" Message-id: <000001c53bf2$b723ac60$6cc6dba8@daniel> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1478 X-Mailer: Microsoft Outlook, Build 10.0.6626 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7BIT Importance: Normal X-Priority: 3 (Normal) X-MSMail-priority: Normal X-Spam-Score: 0.0 (/) X-Scan-Signature: cf4fa59384e76e63313391b70cd0dd25 Content-Transfer-Encoding: 7BIT Cc: v6ops@ops.ietf.org, v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 7d33c50f3756db14428398e2bdedd581 Content-Transfer-Encoding: 7BIT >DSTM will send its draft in as experimental and standardize it out of >the IETF. We are working that process now and it will become a >deployment standard. Teredo, ISATAP, and others are welcome to this >process too send me private eamil and I will explain. Sounds good, and I believe DSTM will be success since it has already explicit applicable domain. I am trying to search for NATPT explicit domain like DSTM to be alive and many efforts are in progress... Thanks. ------------------------------------------- Daniel (Soohong Daniel Park) Mobile Platform Laboratory, SAMSUNG Electronics. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 01:15:18 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id BAA13427; Fri, 8 Apr 2005 01:15:18 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJlyc-00016O-3j; Fri, 08 Apr 2005 01:24:18 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJlor-0002PB-QV; Fri, 08 Apr 2005 01:14:13 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJloq-0002Nw-AL for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 01:14:12 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id BAA13395 for ; Fri, 8 Apr 2005 01:14:11 -0400 (EDT) Received: from mailout1.samsung.com ([203.254.224.24]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJlxV-00015c-KV for v6tc@ietf.org; Fri, 08 Apr 2005 01:23:11 -0400 Received: from custom-daemon.mailout1.samsung.com by mailout1.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) id <0IEM0067Q3VAX1@mailout1.samsung.com> for v6tc@ietf.org; Fri, 08 Apr 2005 14:13:59 +0900 (KST) Received: from ep_mmp1 (mailout1.samsung.com [203.254.224.24]) by mailout1.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTP id <0IEM00BBZ2EPMV@mailout1.samsung.com> for v6tc@ietf.org; Fri, 08 Apr 2005 13:42:25 +0900 (KST) Received: from Radhakrishnan ([107.108.71.58]) by mmp1.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTPA id <0IEM000RE2EHIS@mmp1.samsung.com> for v6tc@ietf.org; Fri, 08 Apr 2005 13:42:25 +0900 (KST) Date: Fri, 08 Apr 2005 10:11:42 +0530 From: Radhakrishnan Suryanarayanan Subject: Re: [v6tc] Re: Tunneling and Transition Drafts To: jordi.palet@consulintel.es, Fred Baker , Thomas Narten Message-id: <01b801c53bf5$47614330$3a476c6b@sisodomain.com> Organization: SAMSUNG India Software Operations MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 X-Mailer: Microsoft Outlook Express 6.00.2800.1437 Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 7BIT X-Priority: 3 X-MSMail-priority: Normal References: X-Spam-Score: 0.0 (/) X-Scan-Signature: 0fa76816851382eb71b0a882ccdc29ac Content-Transfer-Encoding: 7BIT Cc: v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Radhakrishnan Suryanarayanan List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: b280b4db656c3ca28dd62e5e0b03daa8 Content-Transfer-Encoding: 7BIT Hi all, I agree with Jordi. regards Radhakrishnan ----- Original Message ----- From: "JORDI PALET MARTINEZ" To: "Fred Baker" ; "Thomas Narten" Cc: Sent: Friday, April 08, 2005 2:27 AM Subject: Re: [v6tc] Re: Tunneling and Transition Drafts > Fred, > > The point is that all that work was already in v6ops and fits in the > charter, so unless v6tc or something else take over with a specific WG, I > will say, there should be no problem to continue in v6ops. > > My intend is to continue this work, even if it needs to be done as personal > document, but of course, will be better and much more happy if it becomes a > WG document, and consequently will have more inputs and a higher level of > consensus. > > Regards, > Jordi > > > > > > De: Fred Baker > > Responder a: > > Fecha: Thu, 7 Apr 2005 13:02:28 -0700 > > Para: Thomas Narten > > CC: , "v6tc@ietf.org" > > Asunto: Re: [v6tc] Re: Tunneling and Transition Drafts > > > > On Apr 7, 2005, at 12:23 PM, Thomas Narten wrote: > >> I assumed v6ops doesn't care to see the follow-up discussion (which > >> will probably not be short) that will be needed to add additional > >> clarity to this question. > > > > I have authors that are very interested in figuring out where to do > > their work. I have sent notes to the AD and gotten no response. I'm > > looking for guidance. > > > > I just hope that I get a clear answer from someone somewhere that I can > > use to definitively decide what gets accepted in my working group, what > > gets accepted somewhere else, and what doesn't get accepted. > > > > > ************************************ > Barcelona 2005 Global IPv6 Summit > Registration open. Information available at: > http://www.ipv6-es.com > > This electronic message contains information which may be privileged or confidential. The information is intended to be for the use of the individual(s) named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information, including attached files, is prohibited. > > > > > _______________________________________________ > v6tc mailing list > v6tc@ietf.org > https://www1.ietf.org/mailman/listinfo/v6tc > > _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 04:05:47 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id EAA16391; Fri, 8 Apr 2005 04:05:46 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJodc-0006bb-Uq; Fri, 08 Apr 2005 04:14:49 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJoLj-0003ip-S7; Fri, 08 Apr 2005 03:56:19 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJoLf-0003ih-Oi for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 03:56:16 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id DAA15671 for ; Fri, 8 Apr 2005 03:56:13 -0400 (EDT) Received: from mail1.renater.fr ([193.49.159.8]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJoUN-0006Ji-KM for v6tc@ietf.org; Fri, 08 Apr 2005 04:05:16 -0400 Received: from [193.49.159.162] (helo=[193.49.159.162]) by mail1.renater.fr with esmtp (Exim 4.50) id 1DJoLA-0006Cw-9P; Fri, 08 Apr 2005 09:55:46 +0200 Message-ID: <4256390A.5000808@renater.fr> Date: Fri, 08 Apr 2005 09:55:54 +0200 From: Jerome Durand User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.3) Gecko/20040910 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Thomas Narten Subject: Re: [v6tc] Re: Tunneling and Transition Drafts References: <200504071854.j37IseAs006430@rotala.raleigh.ibm.com> In-Reply-To: <200504071854.j37IseAs006430@rotala.raleigh.ibm.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "mail1.renater.fr", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see postmaster@renater.fr for details. Content preview: > I do detect that there are folk that want to form a WG and that there > are some that believe there is a problem here to be solved (that needs > solving), but so far (AFAIK) the problem hasn't been articulated > clearly and (still) strikes me as a bit of a moving target. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- X-Spam-Score: 0.0 (/) X-Scan-Signature: 50a516d93fd399dc60588708fd9a3002 Content-Transfer-Encoding: 7bit Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 7aafa0432175920a4b3e118e16c5cb64 Content-Transfer-Encoding: 7bit > I do detect that there are folk that want to form a WG and that there > are some that believe there is a problem here to be solved (that needs > solving), but so far (AFAIK) the problem hasn't been articulated > clearly and (still) strikes me as a bit of a moving target. The problem that was explained is how an ISP gives easily connectivity to its customers, waiting for access networks/equipments/technologies to be upgraded. I think this is a good problem that needs to be solved (talking here as an ISP) Now I guess what is important to get is that we need something quickly, or new equipments will come before we have adopted anything. One could argue we can wait 5 more years and don't bother much. This is not what we did and we (as other ISPs) started to buy some commercial tools (tunnel brokers) fulfilling all our requirements (low latency is not a requirement for us). Tunnel discovery is not a problem for an ISP that doesn't care much giving a TEP IP address to its customers (or preconfiguring the tunnel broker client). Then I can't understand that this could be a stopper for not making the group. The point here is that as an ISP, I'd prefer to work with a standard, manageable and available solution. Is one already available? If yes that is worth documenting how to use/deploy it (in v6ops WG). If not, then we have to adopt a new standard (in v6tc as v6ops is not made for it). Jerome > > One (big!) example. There was lots of talk at the BOF and in the > presentation about the need for low latency, i.e., it was a > "requirement". And I hear "wireless" mentioned and "3G" at > approximately the same time. But, my understanding is that 3GPP has > already decided to go with ISATAP. So, they aren't a customer for this > work. But if that is the case, where is the real requirement for low > latency coming from? > > Is my understanding correct in this regard? > > Thomas > > _______________________________________________ > v6tc mailing list > v6tc@ietf.org > https://www1.ietf.org/mailman/listinfo/v6tc _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 04:42:49 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id EAA18637; Fri, 8 Apr 2005 04:42:49 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJpDU-0007gC-0U; Fri, 08 Apr 2005 04:51:52 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJp4N-0002YC-Rw; Fri, 08 Apr 2005 04:42:27 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJp41-0002TY-JA for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 04:42:06 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id EAA18550 for ; Fri, 8 Apr 2005 04:42:03 -0400 (EDT) Received: from 213-136-24-43.adsl.bit.nl ([213.136.24.43] helo=purgatory.unfix.org ident=postfix) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJpCk-0007cW-9r for v6tc@ietf.org; Fri, 08 Apr 2005 04:51:06 -0400 Received: from firenze.zurich.ibm.com (pat.zurich.ibm.com [195.176.20.45]) (using SSLv3 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by purgatory.unfix.org (Postfix) with ESMTP id 893858880; Fri, 8 Apr 2005 10:41:56 +0200 (CEST) Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: Jeroen Massar To: Jerome Durand In-Reply-To: <4256390A.5000808@renater.fr> References: <200504071854.j37IseAs006430@rotala.raleigh.ibm.com> <4256390A.5000808@renater.fr> Organization: Unfix Date: Fri, 08 Apr 2005 10:41:54 +0200 Message-Id: <1112949714.26936.25.camel@firenze.zurich.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.1.1 X-Spam-Score: 0.0 (/) X-Scan-Signature: f66b12316365a3fe519e75911daf28a8 Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1349637590==" Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: c83ccb5cc10e751496398f1233ca9c3a --===============1349637590== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-dIUspWLB1Tl7jNLdfZRj" --=-dIUspWLB1Tl7jNLdfZRj Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Fri, 2005-04-08 at 09:55 +0200, Jerome Durand wrote: > > I do detect that there are folk that want to form a WG and that there > > are some that believe there is a problem here to be solved (that needs > > solving), but so far (AFAIK) the problem hasn't been articulated > > clearly and (still) strikes me as a bit of a moving target. >=20 > The problem that was explained is how an ISP gives easily connectivity=20 > to its customers, waiting for access networks/equipments/technologies to=20 > be upgraded. I think this is a good problem that needs to be solved=20 > (talking here as an ISP) >=20 > Now I guess what is important to get is that we need something quickly,=20 > or new equipments will come before we have adopted anything. One could=20 > argue we can wait 5 more years and don't bother much. This is not what=20 > we did and we (as other ISPs) started to buy some commercial tools=20 > (tunnel brokers) fulfilling all our requirements (low latency is not a=20 > requirement for us). Tunnel discovery is not a problem for an ISP that=20 > doesn't care much giving a TEP IP address to its customers (or=20 > preconfiguring the tunnel broker client). Then I can't understand that=20 > this could be a stopper for not making the group. The only thing you need is a well known anycast IP address where your clients can find the TSP server at. Currently you configure this using a hostname which can found in DNS and giving your clients this preconfiged tool. What you want is that the default configfile that comes with TSP, the one defaultly installed by the various OS's already supporting it, have the anycast IPv4 address in it. You just announce that IP to your customers, maybe leaking it to other ISP's who are allowed to use your TSP and done. The same thing is what I would want to have for my TIC thing, currently we simply 'hardcode' tic.sixxs.net, as TIC is only used by SixXS anyway, this is not an issue, when others would like to use it though they would need to provide an entry for the tic server in the config file, though, like TSP they can also request that certain accounts are redirected to another server which will handle the client. Just in case people wonder why I did not go with TSP: it did not fulfill the various requirements we had, like being able to use it to turn tunnels on/off, move tunnels and a lot of other things, in a command oriented way, thus without having to use/depend on xml. TSP for the rest works fine and for instance AICCU can easily be converted to make use of it, though we will need to devise a couple of templates for things like AYIYA and heartbeat in those cases then though. Btw, with "low latency", people still mean 'the minimum amount of packets required to do the configuration phase' or do they mean the actual latency towards the endpoint of the tunnel, that is the latency caused when the packet goes over the network? In the latter case, as these tunnel endpoints are mostly inside the ISP's network, that is maybe 2ms more than the path would be in native IPv6. At least that is the case with my home dsl line. As for "Setup latency", setups maybe happen only once an hour, does a delay for maybe 10ms really annoy you then when every packet needs 30ms to reach the other site afterwards anyway? Finally a call up for 'what is the problem': Could the people who 'require' an alternate solution than TSP, specify what the problems are with it and possibly list what their proposed solution* would be? Greets, Jeroen * =3D simply saying 'can't use that' without having an argument on how to possibly solve it is imho quite useless ;) --=-dIUspWLB1Tl7jNLdfZRj Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Jeroen Massar / http://unfix.org/~jeroen/ iD8DBQBCVkPSKaooUjM+fCMRAs9XAJoCAQSt/LdknrC7jG/Nxp+RK1BuxwCfUzfH uPphTfD+IcOo8xeItehDfYY= =o4jn -----END PGP SIGNATURE----- --=-dIUspWLB1Tl7jNLdfZRj-- --===============1349637590== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc --===============1349637590==-- From v6tc-bounces@ietf.org Fri Apr 8 06:14:33 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA29922; Fri, 8 Apr 2005 06:14:33 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJqeG-0003pF-OF; Fri, 08 Apr 2005 06:23:37 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJqTs-0001Fx-AS; Fri, 08 Apr 2005 06:12:52 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJqTq-0001Fm-Gc for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 06:12:51 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA29865 for ; Fri, 8 Apr 2005 06:12:48 -0400 (EDT) Received: from netcore.fi ([193.94.160.1]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJqcZ-0003iO-12 for v6tc@ietf.org; Fri, 08 Apr 2005 06:21:52 -0400 Received: from localhost (pekkas@localhost) by netcore.fi (8.11.6/8.11.6) with ESMTP id j38ACPE02617; Fri, 8 Apr 2005 13:12:28 +0300 Date: Fri, 8 Apr 2005 13:12:25 +0300 (EEST) From: Pekka Savola To: Jerome Durand Subject: Re: [v6tc] Re: Tunneling and Transition Drafts In-Reply-To: <4256390A.5000808@renater.fr> Message-ID: References: <200504071854.j37IseAs006430@rotala.raleigh.ibm.com> <4256390A.5000808@renater.fr> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Score: 0.0 (/) X-Scan-Signature: 7a6398bf8aaeabc7a7bb696b6b0a2aad Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 856eb5f76e7a34990d1d457d8e8e5b7f On Fri, 8 Apr 2005, Jerome Durand wrote: > The point here is that as an ISP, I'd prefer to work with a standard, > manageable and available solution. Is one already available? If yes that is > worth documenting how to use/deploy it (in v6ops WG). If not, then we have to > adopt a new standard (in v6tc as v6ops is not made for it). L2TP ? -- Pekka Savola "You each name yourselves king, yet the Netcore Oy kingdom bleeds." Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 06:51:04 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA02383; Fri, 8 Apr 2005 06:51:04 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJrDc-0005Uz-VF; Fri, 08 Apr 2005 07:00:09 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJr3r-0006lT-RD; Fri, 08 Apr 2005 06:50:03 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJr3q-0006kq-H9 for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 06:50:02 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA02329 for ; Fri, 8 Apr 2005 06:50:00 -0400 (EDT) Received: from mail.consulintel.es ([213.172.48.142] helo=consulintel.es) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJrCZ-0005Sz-8u for v6tc@ietf.org; Fri, 08 Apr 2005 06:59:05 -0400 Received: from [10.10.10.100] ([217.126.187.160]) by consulintel.es (consulintel.es [127.0.0.1]) (MDaemon.PRO.v7.2.3.R) with ESMTP id md50000903245.msg for ; Fri, 08 Apr 2005 12:52:43 +0200 User-Agent: Microsoft-Entourage/11.1.0.040913 Date: Fri, 08 Apr 2005 12:49:14 +0200 Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: JORDI PALET MARTINEZ To: "v6tc@ietf.org" Message-ID: In-Reply-To: Mime-version: 1.0 Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit X-MDRemoteIP: 217.126.187.160 X-Return-Path: jordi.palet@consulintel.es X-MDaemon-Deliver-To: v6tc@ietf.org X-Spam-Checker-Version: SpamAssassin 2.64 (2004-01-11) on mail.consulintel.es X-Spam-Status: No, hits=-4.1 required=5.0 tests=BAYES_00,TO_ADDRESS_EQ_REAL autolearn=ham version=2.64 X-Spam-Processed: consulintel.es, Fri, 08 Apr 2005 12:52:47 +0200 X-MDAV-Processed: consulintel.es, Fri, 08 Apr 2005 12:52:49 +0200 X-Spam-Score: 0.0 (/) X-Scan-Signature: 8b431ad66d60be2d47c7bfeb879db82c Content-Transfer-Encoding: 7bit X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: jordi.palet@consulintel.es List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 82c9bddb247d9ba4471160a9a865a5f3 Content-Transfer-Encoding: 7bit L2TP will be a good solution if it works in any situation, but more and more, unfortunately, I find hotspots where I can use 6in4, Teredo, other, but my L2TP VPN doesn't work ! That's why I think we need a protocol that can try several encapsulations in case the best one doesn't work. Regards, Jordi > De: Pekka Savola > Responder a: > Fecha: Fri, 8 Apr 2005 13:12:25 +0300 (EEST) > Para: Jerome Durand > CC: "v6tc@ietf.org" > Asunto: Re: [v6tc] Re: Tunneling and Transition Drafts > > On Fri, 8 Apr 2005, Jerome Durand wrote: >> The point here is that as an ISP, I'd prefer to work with a standard, >> manageable and available solution. Is one already available? If yes that is >> worth documenting how to use/deploy it (in v6ops WG). If not, then we have to >> adopt a new standard (in v6tc as v6ops is not made for it). > > L2TP ? > > > -- > Pekka Savola "You each name yourselves king, yet the > Netcore Oy kingdom bleeds." > Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings > > _______________________________________________ > v6tc mailing list > v6tc@ietf.org > https://www1.ietf.org/mailman/listinfo/v6tc ************************************ Barcelona 2005 Global IPv6 Summit Registration open. Information available at: http://www.ipv6-es.com This electronic message contains information which may be privileged or confidential. The information is intended to be for the use of the individual(s) named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information, including attached files, is prohibited. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 07:06:09 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA03471; Fri, 8 Apr 2005 07:06:09 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJrSE-0006Di-5v; Fri, 08 Apr 2005 07:15:14 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJrIl-0007Ot-2D; Fri, 08 Apr 2005 07:05:27 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJrIj-0007Oo-T1 for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 07:05:26 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA03402 for ; Fri, 8 Apr 2005 07:05:23 -0400 (EDT) Received: from e4.ny.us.ibm.com ([32.97.182.144]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJrRT-0006CY-AY for v6tc@ietf.org; Fri, 08 Apr 2005 07:14:28 -0400 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e4.ny.us.ibm.com (8.12.11/8.12.11) with ESMTP id j38B5F7h028446 for ; Fri, 8 Apr 2005 07:05:15 -0400 Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay04.pok.ibm.com (8.12.10/NCO/VER6.6) with ESMTP id j38B5FJL247676 for ; Fri, 8 Apr 2005 07:05:15 -0400 Received: from d01av04.pok.ibm.com (loopback [127.0.0.1]) by d01av04.pok.ibm.com (8.12.11/8.12.11) with ESMTP id j38B5Fsd015689 for ; Fri, 8 Apr 2005 07:05:15 -0400 Received: from cichlid.raleigh.ibm.com (sig-9-48-47-253.mts.ibm.com [9.48.47.253]) by d01av04.pok.ibm.com (8.12.11/8.12.11) with ESMTP id j38B5EtH015653; Fri, 8 Apr 2005 07:05:15 -0400 Received: from cichlid.raleigh.ibm.com (localhost.localdomain [127.0.0.1]) by cichlid.raleigh.ibm.com (8.13.1/8.12.5) with ESMTP id j38B4hh4023080; Fri, 8 Apr 2005 07:04:43 -0400 Message-Id: <200504081104.j38B4hh4023080@cichlid.raleigh.ibm.com> To: Jeroen Massar Subject: Re: [v6tc] Re: Tunneling and Transition Drafts In-Reply-To: Message from Jeroen Massar of "Fri, 08 Apr 2005 10:41:54 +0200." <1112949714.26936.25.camel@firenze.zurich.ibm.com> Date: Fri, 08 Apr 2005 07:04:43 -0400 From: Thomas Narten X-Spam-Score: 0.0 (/) X-Scan-Signature: 39bd8f8cbb76cae18b7e23f7cf6b2b9f Cc: "v6tc@ietf.org" , Jerome Durand X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: a7d6aff76b15f3f56fcb94490e1052e4 > The only thing you need is a well known anycast IP address where your > clients can find the TSP server at. I keep hearing this like its a slam-dunk obvious solution. It is not (at least not if I listen to what some other people say). The use of anycast addresses for service discovery is controversial. Do the words "dns discovery" bring to mind anything about the obviousness and likeliness of having quick success of choosing this solution? Everytime you (or anyone else - not picking on you in particular) brings up this approach are you also oblivious to other folk that don't think this is a reasonable way to go? > Just in case people wonder why I did not go with TSP: it did not fulfill > the various requirements we had, like being able to use it to turn > tunnels on/off, move tunnels and a lot of other things, What does "move tunnels" mean? Also, it would be useful if you would specify the "lot of other things", so we could understand better what the real requirements are. > in a command oriented way, thus without having to use/depend on xml. It's not immediately obvious to me what "without having to use/depend on xml" has to do with "command oriented way". How commands are implemented underneath doesn't have to be visible to the user interface. > Could the people who 'require' an alternate solution than TSP, specify > what the problems are with it and possibly list what their proposed > solution* would be? Actually, I prefer just the "what is the problem part". We have enough of an issue where the problem is "handwave handwave", but "my pet solution" solves the problem perfectly. Thomas _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 07:17:15 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA04180; Fri, 8 Apr 2005 07:17:15 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJrcy-0006lz-Oj; Fri, 08 Apr 2005 07:26:20 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJrSh-0002Vj-QL; Fri, 08 Apr 2005 07:15:43 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJrSf-0002Ve-Qf for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 07:15:41 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA04136 for ; Fri, 8 Apr 2005 07:15:38 -0400 (EDT) Received: from 213-136-24-43.adsl.bit.nl ([213.136.24.43] helo=purgatory.unfix.org ident=postfix) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJrbO-0006kb-Uc for v6tc@ietf.org; Fri, 08 Apr 2005 07:24:44 -0400 Received: from firenze.zurich.ibm.com (pat.zurich.ibm.com [195.176.20.45]) (using SSLv3 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by purgatory.unfix.org (Postfix) with ESMTP id 55A5A8880; Fri, 8 Apr 2005 13:15:35 +0200 (CEST) Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: Jeroen Massar To: Pekka Savola In-Reply-To: References: <200504071854.j37IseAs006430@rotala.raleigh.ibm.com> <4256390A.5000808@renater.fr> Organization: Unfix Date: Fri, 08 Apr 2005 13:15:32 +0200 Message-Id: <1112958932.26936.37.camel@firenze.zurich.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.1.1 X-Spam-Score: 0.0 (/) X-Scan-Signature: 39bd8f8cbb76cae18b7e23f7cf6b2b9f Cc: "v6tc@ietf.org" , Jerome Durand X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0656075092==" Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 0a7aa2e6e558383d84476dc338324fab --===============0656075092== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-+pVWESKRlhlYK6aJgYaV" --=-+pVWESKRlhlYK6aJgYaV Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Fri, 2005-04-08 at 13:12 +0300, Pekka Savola wrote: > On Fri, 8 Apr 2005, Jerome Durand wrote: > > The point here is that as an ISP, I'd prefer to work with a standard,=20 > > manageable and available solution. Is one already available? If yes tha= t is=20 > > worth documenting how to use/deploy it (in v6ops WG). If not, then we h= ave to=20 > > adopt a new standard (in v6tc as v6ops is not made for it). >=20 > L2TP ? Client for all OS's that support it doing IPv6 ? Greets, Jeroen --=-+pVWESKRlhlYK6aJgYaV Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Jeroen Massar / http://unfix.org/~jeroen/ iD8DBQBCVmfUKaooUjM+fCMRAqgpAKCjw/LtUQ+ovV/J1YVlEpkXqUnruACgmXA7 ks1NnHIwoJgOKxlkx1gmOVI= =04Eo -----END PGP SIGNATURE----- --=-+pVWESKRlhlYK6aJgYaV-- --===============0656075092== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc --===============0656075092==-- From v6tc-bounces@ietf.org Fri Apr 8 07:30:57 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA05701; Fri, 8 Apr 2005 07:30:57 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJrqC-0007Xi-IG; Fri, 08 Apr 2005 07:40:00 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJrZA-0003I9-D4; Fri, 08 Apr 2005 07:22:24 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJrZ8-0003I4-Pg for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 07:22:22 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA04448 for ; Fri, 8 Apr 2005 07:22:20 -0400 (EDT) Received: from mail.consulintel.es ([213.172.48.142] helo=consulintel.es) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJrht-000729-0k for v6tc@ietf.org; Fri, 08 Apr 2005 07:31:25 -0400 Received: from [10.10.10.100] ([217.126.187.160]) by consulintel.es (consulintel.es [127.0.0.1]) (MDaemon.PRO.v7.2.3.R) with ESMTP id md50000903386.msg for ; Fri, 08 Apr 2005 13:25:28 +0200 User-Agent: Microsoft-Entourage/11.1.0.040913 Date: Fri, 08 Apr 2005 13:22:02 +0200 Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: JORDI PALET MARTINEZ To: "v6tc@ietf.org" Message-ID: In-Reply-To: <4256390A.5000808@renater.fr> Mime-version: 1.0 Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit X-MDRemoteIP: 217.126.187.160 X-Return-Path: jordi.palet@consulintel.es X-MDaemon-Deliver-To: v6tc@ietf.org X-Spam-Checker-Version: SpamAssassin 2.64 (2004-01-11) on mail.consulintel.es X-Spam-Status: No, hits=-4.1 required=5.0 tests=BAYES_00,TO_ADDRESS_EQ_REAL autolearn=ham version=2.64 X-Spam-Processed: consulintel.es, Fri, 08 Apr 2005 13:25:31 +0200 X-MDAV-Processed: consulintel.es, Fri, 08 Apr 2005 13:25:33 +0200 X-Spam-Score: 0.0 (/) X-Scan-Signature: c3a18ef96977fc9bcc21a621cbf1174b Content-Transfer-Encoding: 7bit X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: jordi.palet@consulintel.es List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 32b73d73e8047ed17386f9799119ce43 Content-Transfer-Encoding: 7bit Hi Jerome, I think I basically agree with your email, but disagree regarding the TEP discovery. The reason for that is that within an ISP is easy, but if you're a user moving (traveling), you need to be able to discover it, not ask for a manual configuration. Example, I don't want to manually change my configuration at every hotel where a different ISP provides either via wired or wireless access. Regards, Jordi > De: Jerome Durand > Responder a: > Fecha: Fri, 08 Apr 2005 09:55:54 +0200 > Para: Thomas Narten > CC: , "v6tc@ietf.org" > Asunto: Re: [v6tc] Re: Tunneling and Transition Drafts > >> I do detect that there are folk that want to form a WG and that there >> are some that believe there is a problem here to be solved (that needs >> solving), but so far (AFAIK) the problem hasn't been articulated >> clearly and (still) strikes me as a bit of a moving target. > > The problem that was explained is how an ISP gives easily connectivity > to its customers, waiting for access networks/equipments/technologies to > be upgraded. I think this is a good problem that needs to be solved > (talking here as an ISP) > > Now I guess what is important to get is that we need something quickly, > or new equipments will come before we have adopted anything. One could > argue we can wait 5 more years and don't bother much. This is not what > we did and we (as other ISPs) started to buy some commercial tools > (tunnel brokers) fulfilling all our requirements (low latency is not a > requirement for us). Tunnel discovery is not a problem for an ISP that > doesn't care much giving a TEP IP address to its customers (or > preconfiguring the tunnel broker client). Then I can't understand that > this could be a stopper for not making the group. > > The point here is that as an ISP, I'd prefer to work with a standard, > manageable and available solution. Is one already available? If yes that > is worth documenting how to use/deploy it (in v6ops WG). If not, then we > have to adopt a new standard (in v6tc as v6ops is not made for it). > > Jerome > > > > > >> >> One (big!) example. There was lots of talk at the BOF and in the >> presentation about the need for low latency, i.e., it was a >> "requirement". And I hear "wireless" mentioned and "3G" at >> approximately the same time. But, my understanding is that 3GPP has >> already decided to go with ISATAP. So, they aren't a customer for this >> work. But if that is the case, where is the real requirement for low >> latency coming from? >> >> Is my understanding correct in this regard? >> >> Thomas >> >> _______________________________________________ >> v6tc mailing list >> v6tc@ietf.org >> https://www1.ietf.org/mailman/listinfo/v6tc > ************************************ Barcelona 2005 Global IPv6 Summit Registration open. Information available at: http://www.ipv6-es.com This electronic message contains information which may be privileged or confidential. The information is intended to be for the use of the individual(s) named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information, including attached files, is prohibited. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 07:41:01 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA06629; Fri, 8 Apr 2005 07:41:01 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJrzx-00083t-23; Fri, 08 Apr 2005 07:50:05 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJrYL-0003GU-5v; Fri, 08 Apr 2005 07:21:33 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJrYJ-0003GP-Os for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 07:21:31 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA04414 for ; Fri, 8 Apr 2005 07:21:29 -0400 (EDT) Received: from netcore.fi ([193.94.160.1]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJrh2-0006qC-TL for v6tc@ietf.org; Fri, 08 Apr 2005 07:30:34 -0400 Received: from localhost (pekkas@localhost) by netcore.fi (8.11.6/8.11.6) with ESMTP id j38BLEO03705; Fri, 8 Apr 2005 14:21:14 +0300 Date: Fri, 8 Apr 2005 14:21:14 +0300 (EEST) From: Pekka Savola To: Jeroen Massar Subject: Re: [v6tc] Re: Tunneling and Transition Drafts In-Reply-To: <1112958932.26936.37.camel@firenze.zurich.ibm.com> Message-ID: References: <200504071854.j37IseAs006430@rotala.raleigh.ibm.com> <4256390A.5000808@renater.fr> <1112958932.26936.37.camel@firenze.zurich.ibm.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Score: 0.0 (/) X-Scan-Signature: bb8f917bb6b8da28fc948aeffb74aa17 Cc: "v6tc@ietf.org" , Jerome Durand X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 7baded97d9887f7a0c7e8a33c2e3ea1b On Fri, 8 Apr 2005, Jeroen Massar wrote: > On Fri, 2005-04-08 at 13:12 +0300, Pekka Savola wrote: >> On Fri, 8 Apr 2005, Jerome Durand wrote: >>> The point here is that as an ISP, I'd prefer to work with a standard, >>> manageable and available solution. Is one already available? If yes that is >>> worth documenting how to use/deploy it (in v6ops WG). If not, then we have to >>> adopt a new standard (in v6tc as v6ops is not made for it). >> >> L2TP ? > > Client for all OS's that support it doing IPv6 ? AFAIK, as L2TP layers on top of PPP, you only need PPP to support IPv6, right ? Anyway, anything that's in the real of implementations has issues in one way or another. As I've said in the past, I see no point in standardizing TSP as it is because L2TP provides the same functionality. One the other hand, if we had requirements which cannot be satisfied (in a backward compatible manner) by either L2TP or TSP, it makes sense to design something new. One such requirement could be low latency and overhead; at the moment, however, it is not obvious whether the different wireless communities (including what Mobile IPv6 and NEMO WGs are currently discussing wrt NAT traversal -- _yet another_ tunneling mechanism, this time (probably) specific to Mobile IP!) were sufficiently aware of this effort to bring forth theirs requirements. -- Pekka Savola "You each name yourselves king, yet the Netcore Oy kingdom bleeds." Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 07:41:48 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA06783; Fri, 8 Apr 2005 07:41:48 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJs0i-00085g-00; Fri, 08 Apr 2005 07:50:52 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJrqs-0004tE-Kb; Fri, 08 Apr 2005 07:40:42 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJrqr-0004t9-Ae for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 07:40:41 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA06592 for ; Fri, 8 Apr 2005 07:40:40 -0400 (EDT) Received: from mail.consulintel.es ([213.172.48.142] helo=consulintel.es) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJrzb-00082p-UU for v6tc@ietf.org; Fri, 08 Apr 2005 07:49:44 -0400 Received: from [10.10.10.100] ([217.126.187.160]) by consulintel.es (consulintel.es [127.0.0.1]) (MDaemon.PRO.v7.2.3.R) with ESMTP id md50000903483.msg for ; Fri, 08 Apr 2005 13:43:40 +0200 User-Agent: Microsoft-Entourage/11.1.0.040913 Date: Fri, 08 Apr 2005 13:40:00 +0200 Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: JORDI PALET MARTINEZ To: "v6tc@ietf.org" Message-ID: In-Reply-To: <1112958932.26936.37.camel@firenze.zurich.ibm.com> Mime-version: 1.0 Content-type: text/plain; charset="ISO-8859-1" Content-transfer-encoding: quoted-printable X-MDRemoteIP: 217.126.187.160 X-Return-Path: jordi.palet@consulintel.es X-MDaemon-Deliver-To: v6tc@ietf.org X-Spam-Checker-Version: SpamAssassin 2.64 (2004-01-11) on mail.consulintel.es X-Spam-Status: No, hits=-4.1 required=5.0 tests=BAYES_00,TO_ADDRESS_EQ_REAL autolearn=ham version=2.64 X-Spam-Processed: consulintel.es, Fri, 08 Apr 2005 13:43:50 +0200 X-MDAV-Processed: consulintel.es, Fri, 08 Apr 2005 13:43:51 +0200 X-Spam-Score: 0.0 (/) X-Scan-Signature: 7aafa0432175920a4b3e118e16c5cb64 Content-Transfer-Encoding: quoted-printable X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: jordi.palet@consulintel.es List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 0a7aa2e6e558383d84476dc338324fab Content-Transfer-Encoding: quoted-printable I don't think the L2TP client is a problem, even if they aren't available now, is equivalent to the availability of a new protocol. My point regarding the lack of support of L2TP in more and more hotels and hot spots, and that's why I think the encapsulation should be flexible. I've also no idea about how much the 3G folks will like to implement L2TP. Regards, Jordi > De: Jeroen Massar > Organizaci=F3n: Unfix > Responder a: > Fecha: Fri, 08 Apr 2005 13:15:32 +0200 > Para: Pekka Savola > CC: "v6tc@ietf.org" , Jerome Durand > Asunto: Re: [v6tc] Re: Tunneling and Transition Drafts >=20 > On Fri, 2005-04-08 at 13:12 +0300, Pekka Savola wrote: >> On Fri, 8 Apr 2005, Jerome Durand wrote: >>> The point here is that as an ISP, I'd prefer to work with a standard, >>> manageable and available solution. Is one already available? If yes that is >>> worth documenting how to use/deploy it (in v6ops WG). If not, then we have >>> to=20 >>> adopt a new standard (in v6tc as v6ops is not made for it). >>=20 >> L2TP ? >=20 > Client for all OS's that support it doing IPv6 ? >=20 > Greets, > Jeroen >=20 > _______________________________________________ > v6tc mailing list > v6tc@ietf.org > https://www1.ietf.org/mailman/listinfo/v6tc ************************************ Barcelona 2005 Global IPv6 Summit Registration open. Information available at: http://www.ipv6-es.com This electronic message contains information which may be privileged or confidential. The information is intended to be for the use of the individual(s) named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information, including attached files, is prohibited. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 07:48:25 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA07728; Fri, 8 Apr 2005 07:48:25 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJs76-0008Uj-Jz; Fri, 08 Apr 2005 07:57:28 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJrx4-0008GV-59; Fri, 08 Apr 2005 07:47:06 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJrx3-0008GQ-3y for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 07:47:05 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA07683 for ; Fri, 8 Apr 2005 07:47:04 -0400 (EDT) Received: from 213-136-24-43.adsl.bit.nl ([213.136.24.43] helo=purgatory.unfix.org ident=postfix) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJs5m-0008Td-Mp for v6tc@ietf.org; Fri, 08 Apr 2005 07:56:08 -0400 Received: from firenze.zurich.ibm.com (pat.zurich.ibm.com [195.176.20.45]) (using SSLv3 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by purgatory.unfix.org (Postfix) with ESMTP id 703908880; Fri, 8 Apr 2005 13:46:56 +0200 (CEST) Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: Jeroen Massar To: Pekka Savola , jordi.palet@consulintel.es In-Reply-To: References: Organization: Unfix Date: Fri, 08 Apr 2005 13:46:52 +0200 Message-Id: <1112960812.26936.57.camel@firenze.zurich.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.1.1 X-Spam-Score: 0.0 (/) X-Scan-Signature: 6ffdee8af20de249c24731d8414917d3 Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1183678873==" Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 789c141a303c09204b537a4078e2a63f --===============1183678873== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-oERb+pZ1jxc1E8oYPFdj" --=-oERb+pZ1jxc1E8oYPFdj Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Fri, 2005-04-08 at 14:21 +0300, Pekka Savola wrote:=20 > On Fri, 8 Apr 2005, Jeroen Massar wrote: > > On Fri, 2005-04-08 at 13:12 +0300, Pekka Savola wrote: > >> On Fri, 8 Apr 2005, Jerome Durand wrote: > >>> The point here is that as an ISP, I'd prefer to work with a standard, > >>> manageable and available solution. Is one already available? If yes t= hat is > >>> worth documenting how to use/deploy it (in v6ops WG). If not, then we= have to > >>> adopt a new standard (in v6tc as v6ops is not made for it). > >> > >> L2TP ? > > > > Client for all OS's that support it doing IPv6 ? >=20 > AFAIK, as L2TP layers on top of PPP, you only need PPP to support=20 > IPv6, right ? Correct. Now guess what one the biggest OS, that is deployed at consumers, does not support :) Ah, indeed Windows XP, even SP2 does not support IPv6 PPP (at least last ti= me I checked). Have fun implementing that and then passing it to your clients. > Anyway, anything that's in the real of implementations has issues in=20 > one way or another. Then I suggest that, like I asked MS when they implement the above, when those issues get fixed. That is a vendor problem, not a protocol problem I = hope. > As I've said in the past, I see no point in standardizing TSP as it is=20 > because L2TP provides the same functionality. Since when does L2TP support anonymous tunnels? Since when does proto-115 cross NAT's ? > One the other hand, if=20 > we had requirements which cannot be satisfied (in a backward=20 > compatible manner) by either L2TP or TSP, it makes sense to design=20 > something new. Why design something new if people who are happy with L2TP can use that, while people who are happy with TSP can use that. Both suffer one thing, as I mentioned previously: "discovery". > One such requirement could be low latency and overhead; at the moment,=20 > however, it is not obvious whether the different wireless communities=20 > (including what Mobile IPv6 and NEMO WGs are currently discussing wrt=20 > NAT traversal -- _yet another_ tunneling mechanism, this time=20 > (probably) specific to Mobile IP!) were sufficiently aware of this=20 > effort to bring forth theirs requirements. There is even NAT traversal for HIP and a lot of other protocols being done= . The pain it brought was not to be foreseen ;) On Fri, 2005-04-08 at 12:49 +0200, JORDI PALET MARTINEZ wrote: > L2TP will be a good solution if it works in any situation, but more and > more, unfortunately, I find hotspots where I can use 6in4, Teredo, other, > but my L2TP VPN doesn't work ! L2TP typically does not work for the same reason why proto-41 does not work: NAT boxes don't forward proto-41 nor proto-115. Also LT2P has the limitation that it requires authenticated use, which was not acceptable according to some people on this and the v6ops list. One conclusion I can make from all these discussions is though that: - There are a number of mechanisms - These mechanisms all have their distinct advantages Or better said: let the market decide on what to use. The IETF is afaik supposed to make standards, of which there are many, many of which most people won't use, because they don't fit the thing they want to do. In this specific problem there are a lot of ways to do something and there are a lot of problems which simply can't be solved with one problem especially because of the broad set of requirements. My take on this thus becomes: - In general tunneling IPv6 over UDP works *everywhere* (unless there is an administrative filter prohibiting it in which case we should not try to override it either) - TSP is deployed and works (*) For that reason I would suggest that combination. People with other requirements can pick their own. > That's why I think we need a protocol that can try several encapsulations= in > case the best one doesn't work. And then have the thing to try to get around a limitation which might quite well be an administrative barrier? I thought there where people concerned with 'setup latency' ;) Greets, Jeroen * =3D also with the few shortcomings I noted already a couple of times. --=-oERb+pZ1jxc1E8oYPFdj Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Jeroen Massar / http://unfix.org/~jeroen/ iD8DBQBCVm8sKaooUjM+fCMRAnhlAKCyWY0q/6PSQuntw2inCjn41Ye/ZwCgha7H MXz9pYh+N5eCv7eU+MamViA= =uJgo -----END PGP SIGNATURE----- --=-oERb+pZ1jxc1E8oYPFdj-- --===============1183678873== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc --===============1183678873==-- From v6tc-bounces@ietf.org Fri Apr 8 08:05:20 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id IAA09352; Fri, 8 Apr 2005 08:05:20 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJsNT-000169-6r; Fri, 08 Apr 2005 08:14:24 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJs88-0002QA-0k; Fri, 08 Apr 2005 07:58:32 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJs85-0002Pt-Vu for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 07:58:30 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA08654 for ; Fri, 8 Apr 2005 07:58:28 -0400 (EDT) Received: from sauna.silcnet.org ([147.175.66.205] helo=otaku.Xtrmntr.org) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJsGq-0000l6-15 for v6tc@ietf.org; Fri, 08 Apr 2005 08:07:32 -0400 Received: by otaku.Xtrmntr.org (Postfix, from userid 213) id 0158C1D19F; Fri, 8 Apr 2005 13:58:11 +0200 (CEST) Date: Fri, 8 Apr 2005 13:58:11 +0200 From: Vladimir Kotal To: Jeroen Massar Subject: Re: [v6tc] Re: Tunneling and Transition Drafts Message-ID: <20050408115811.GA9298@otaku.xtrmntr.org> References: <1112960812.26936.57.camel@firenze.zurich.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1112960812.26936.57.camel@firenze.zurich.ibm.com> User-Agent: Mutt/1.4.2.1i Accept-Languages: cz, sk, en X-Spam-Score: 0.0 (/) X-Scan-Signature: 97adf591118a232206bdb5a27b217034 Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: vlada@devnull.cz List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 8b30eb7682a596edff707698f4a80f7d On Fri, Apr 08, 2005 at 01:46:52PM +0200, Jeroen Massar wrote: > On Fri, 2005-04-08 at 14:21 +0300, Pekka Savola wrote: > > On Fri, 8 Apr 2005, Jeroen Massar wrote: > > > On Fri, 2005-04-08 at 13:12 +0300, Pekka Savola wrote: > > >> On Fri, 8 Apr 2005, Jerome Durand wrote: > > >>> The point here is that as an ISP, I'd prefer to work with a standard, > > >>> manageable and available solution. Is one already available? If yes that is > > >>> worth documenting how to use/deploy it (in v6ops WG). If not, then we have to > > >>> adopt a new standard (in v6tc as v6ops is not made for it). > > >> > > >> L2TP ? > > > > > > Client for all OS's that support it doing IPv6 ? > > > > AFAIK, as L2TP layers on top of PPP, you only need PPP to support > > IPv6, right ? > > Correct. Now guess what one the biggest OS, that is deployed at > consumers, does not support :) > > Ah, indeed Windows XP, even SP2 does not support IPv6 PPP (at least last time I checked). > Have fun implementing that and then passing it to your clients. > And according to the answer I received from Leigh Huang from Microsoft (Program Manager - IPv6, Windows Networking and Device Technologies) cca year ago, IPV6CP will be supported only in Longhorn. They do not even consider putting in to XP. This means no native IPv6 dial-up for most clients at least for one year from now. Regards, v. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 08:06:00 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id IAA09468; Fri, 8 Apr 2005 08:06:00 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJsO8-00017x-6e; Fri, 08 Apr 2005 08:15:04 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJsDk-0002uA-Nt; Fri, 08 Apr 2005 08:04:20 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJsDj-0002u2-MX for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 08:04:19 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id IAA09223 for ; Fri, 8 Apr 2005 08:04:18 -0400 (EDT) Received: from mail1.renater.fr ([193.49.159.8]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJsMT-0000yV-5Q for v6tc@ietf.org; Fri, 08 Apr 2005 08:13:22 -0400 Received: from [193.49.159.162] (helo=[193.49.159.162]) by mail1.renater.fr with esmtp (Exim 4.50) id 1DJsDD-0007k7-IY; Fri, 08 Apr 2005 14:03:51 +0200 Message-ID: <42567330.8030100@renater.fr> Date: Fri, 08 Apr 2005 14:04:00 +0200 From: Jerome Durand User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.3) Gecko/20040910 X-Accept-Language: en-us, en MIME-Version: 1.0 To: jordi.palet@consulintel.es Subject: Re: [v6tc] Re: Tunneling and Transition Drafts References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "mail1.renater.fr", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see postmaster@renater.fr for details. Content preview: > I think I basically agree with your email, but disagree regarding the TEP > discovery. What I meant here is that it can be a good thing as you said, but it is not something absolutely required for an ISP to have a working solution. So when discussing forming the WG or not, I think TEP discovery should not be taken as a reason for not creating TC as we can anyway achieve good results without it. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- X-Spam-Score: 0.0 (/) X-Scan-Signature: 944ecb6e61f753561f559a497458fb4f Content-Transfer-Encoding: 7bit Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: c83ccb5cc10e751496398f1233ca9c3a Content-Transfer-Encoding: 7bit > I think I basically agree with your email, but disagree regarding the TEP > discovery. What I meant here is that it can be a good thing as you said, but it is not something absolutely required for an ISP to have a working solution. So when discussing forming the WG or not, I think TEP discovery should not be taken as a reason for not creating TC as we can anyway achieve good results without it. Hope this clarifies :) Jerome > The reason for that is that within an ISP is easy, but if you're a user > moving (traveling), you need to be able to discover it, not ask for a manual > configuration. Example, I don't want to manually change my configuration at > every hotel where a different ISP provides either via wired or wireless > access. > > Regards, > Jordi > > > > > >>De: Jerome Durand >>Responder a: >>Fecha: Fri, 08 Apr 2005 09:55:54 +0200 >>Para: Thomas Narten >>CC: , "v6tc@ietf.org" >>Asunto: Re: [v6tc] Re: Tunneling and Transition Drafts >> >> >>>I do detect that there are folk that want to form a WG and that there >>>are some that believe there is a problem here to be solved (that needs >>>solving), but so far (AFAIK) the problem hasn't been articulated >>>clearly and (still) strikes me as a bit of a moving target. >> >>The problem that was explained is how an ISP gives easily connectivity >>to its customers, waiting for access networks/equipments/technologies to >>be upgraded. I think this is a good problem that needs to be solved >>(talking here as an ISP) >> >>Now I guess what is important to get is that we need something quickly, >>or new equipments will come before we have adopted anything. One could >>argue we can wait 5 more years and don't bother much. This is not what >>we did and we (as other ISPs) started to buy some commercial tools >>(tunnel brokers) fulfilling all our requirements (low latency is not a >>requirement for us). Tunnel discovery is not a problem for an ISP that >>doesn't care much giving a TEP IP address to its customers (or >>preconfiguring the tunnel broker client). Then I can't understand that >>this could be a stopper for not making the group. >> >>The point here is that as an ISP, I'd prefer to work with a standard, >>manageable and available solution. Is one already available? If yes that >>is worth documenting how to use/deploy it (in v6ops WG). If not, then we >>have to adopt a new standard (in v6tc as v6ops is not made for it). >> >>Jerome >> >> >> >> >> >> >>>One (big!) example. There was lots of talk at the BOF and in the >>>presentation about the need for low latency, i.e., it was a >>>"requirement". And I hear "wireless" mentioned and "3G" at >>>approximately the same time. But, my understanding is that 3GPP has >>>already decided to go with ISATAP. So, they aren't a customer for this >>>work. But if that is the case, where is the real requirement for low >>>latency coming from? >>> >>>Is my understanding correct in this regard? >>> >>>Thomas >>> >>>_______________________________________________ >>>v6tc mailing list >>>v6tc@ietf.org >>>https://www1.ietf.org/mailman/listinfo/v6tc >> > > > > > ************************************ > Barcelona 2005 Global IPv6 Summit > Registration open. Information available at: > http://www.ipv6-es.com > > This electronic message contains information which may be privileged or confidential. The information is intended to be for the use of the individual(s) named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information, including attached files, is prohibited. > > > > > _______________________________________________ > v6tc mailing list > v6tc@ietf.org > https://www1.ietf.org/mailman/listinfo/v6tc _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 08:08:34 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id IAA10075; Fri, 8 Apr 2005 08:08:34 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJsQc-0001Lp-53; Fri, 08 Apr 2005 08:17:38 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJsFn-0003I1-OI; Fri, 08 Apr 2005 08:06:27 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJsFn-0003Hj-22 for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 08:06:27 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id IAA09570 for ; Fri, 8 Apr 2005 08:06:26 -0400 (EDT) Received: from 213-136-24-43.adsl.bit.nl ([213.136.24.43] helo=purgatory.unfix.org ident=postfix) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJsOX-0001EW-N5 for v6tc@ietf.org; Fri, 08 Apr 2005 08:15:30 -0400 Received: from firenze.zurich.ibm.com (pat.zurich.ibm.com [195.176.20.45]) (using SSLv3 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by purgatory.unfix.org (Postfix) with ESMTP id E38AD8881; Fri, 8 Apr 2005 14:06:23 +0200 (CEST) Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: Jeroen Massar To: jordi.palet@consulintel.es In-Reply-To: References: Organization: Unfix Date: Fri, 08 Apr 2005 14:06:21 +0200 Message-Id: <1112961981.26936.70.camel@firenze.zurich.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.1.1 X-Spam-Score: 0.0 (/) X-Scan-Signature: 538aad3a3c4f01d8b6a6477ca4248793 Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1771330263==" Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: d8ae4fd88fcaf47c1a71c804d04f413d --===============1771330263== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-iqMt5oJzWFoLdl+X9+b0" --=-iqMt5oJzWFoLdl+X9+b0 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable [hmmm I should aggregate replies better :) ] On Fri, 2005-04-08 at 13:22 +0200, JORDI PALET MARTINEZ wrote: > Hi Jerome, >=20 > I think I basically agree with your email, but disagree regarding the TEP > discovery. And how are you going to discover a "TEP" in a place like a hotel which is already limiting you completely? I guess what you want is a globally available VPN-alike dialin network so that you get the protocols you want as for the moment when you go to a hotel in, say, South America, where are you going to tunnel to? Heartbeat-alike tunnels solve this partially. Turn on the client, let it beat, and your tunnel works. The latency will not be perfect, but in those locations you won't have that a low latency anyway. I actually wonder also what the state of 6to4 connectivity is in a place like, say the US, seeing that 6to4 is already not good quality in most places around Europe, though it has significantly improved over the last couple of years. Nevertheless the case you mention is a really specific one and I think that this really can't be covered easily, just like requesting multicast everywhere you go, it is not there yet. Greets, Jeroen --=-iqMt5oJzWFoLdl+X9+b0 Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Jeroen Massar / http://unfix.org/~jeroen/ iD8DBQBCVnO8KaooUjM+fCMRAjOwAKCV78ivDhcH8m1iWkuaFQQGDKR7qACgqbnH auNG++V4wqZsKK8RavrBmow= =rOkw -----END PGP SIGNATURE----- --=-iqMt5oJzWFoLdl+X9+b0-- --===============1771330263== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc --===============1771330263==-- From v6tc-bounces@ietf.org Fri Apr 8 08:35:07 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id IAA12402; Fri, 8 Apr 2005 08:35:07 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJsqI-0002hE-93; Fri, 08 Apr 2005 08:44:11 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJsfN-0007ZP-QN; Fri, 08 Apr 2005 08:32:53 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJsfM-0007ZJ-VO for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 08:32:53 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id IAA11987 for ; Fri, 8 Apr 2005 08:32:51 -0400 (EDT) Received: from mail.consulintel.es ([213.172.48.142] helo=consulintel.es) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJso6-0002Vo-Vc for v6tc@ietf.org; Fri, 08 Apr 2005 08:41:56 -0400 Received: from [10.10.10.100] ([217.126.187.160]) by consulintel.es (consulintel.es [127.0.0.1]) (MDaemon.PRO.v7.2.3.R) with ESMTP id md50000903683.msg for ; Fri, 08 Apr 2005 14:35:54 +0200 User-Agent: Microsoft-Entourage/11.1.0.040913 Date: Fri, 08 Apr 2005 14:32:22 +0200 Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: JORDI PALET MARTINEZ To: "v6tc@ietf.org" Message-ID: In-Reply-To: <20050408115811.GA9298@otaku.xtrmntr.org> Mime-version: 1.0 Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit X-MDRemoteIP: 217.126.187.160 X-Return-Path: jordi.palet@consulintel.es X-MDaemon-Deliver-To: v6tc@ietf.org X-Spam-Checker-Version: SpamAssassin 2.64 (2004-01-11) on mail.consulintel.es X-Spam-Status: No, hits=-4.1 required=5.0 tests=BAYES_00,TO_ADDRESS_EQ_REAL autolearn=ham version=2.64 X-Spam-Processed: consulintel.es, Fri, 08 Apr 2005 14:35:55 +0200 X-MDAV-Processed: consulintel.es, Fri, 08 Apr 2005 14:35:56 +0200 X-Spam-Score: 0.0 (/) X-Scan-Signature: c0bedb65cce30976f0bf60a0a39edea4 Content-Transfer-Encoding: 7bit X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: jordi.palet@consulintel.es List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: d0bdc596f8dd1c226c458f0b4df27a88 Content-Transfer-Encoding: 7bit I got the same answer. But company roadmaps could change, I'm not sure about the actual roadmap on this. Regards, Jordi > De: Vladimir Kotal > Responder a: > Fecha: Fri, 8 Apr 2005 13:58:11 +0200 > Para: Jeroen Massar > CC: Pekka Savola , , > "v6tc@ietf.org" > Asunto: Re: [v6tc] Re: Tunneling and Transition Drafts > > On Fri, Apr 08, 2005 at 01:46:52PM +0200, Jeroen Massar wrote: >> On Fri, 2005-04-08 at 14:21 +0300, Pekka Savola wrote: >>> On Fri, 8 Apr 2005, Jeroen Massar wrote: >>>> On Fri, 2005-04-08 at 13:12 +0300, Pekka Savola wrote: >>>>> On Fri, 8 Apr 2005, Jerome Durand wrote: >>>>>> The point here is that as an ISP, I'd prefer to work with a standard, >>>>>> manageable and available solution. Is one already available? If yes that >>>>>> is >>>>>> worth documenting how to use/deploy it (in v6ops WG). If not, then we >>>>>> have to >>>>>> adopt a new standard (in v6tc as v6ops is not made for it). >>>>> >>>>> L2TP ? >>>> >>>> Client for all OS's that support it doing IPv6 ? >>> >>> AFAIK, as L2TP layers on top of PPP, you only need PPP to support >>> IPv6, right ? >> >> Correct. Now guess what one the biggest OS, that is deployed at >> consumers, does not support :) >> >> Ah, indeed Windows XP, even SP2 does not support IPv6 PPP (at least last time >> I checked). >> Have fun implementing that and then passing it to your clients. >> > > And according to the answer I received from Leigh Huang from Microsoft > (Program Manager - IPv6, Windows Networking and Device Technologies) > cca year ago, IPV6CP will be supported only in Longhorn. They do not even > consider putting in to XP. This means no native IPv6 dial-up for most > clients at least for one year from now. > > Regards, > > > v. ************************************ Barcelona 2005 Global IPv6 Summit Registration open. Information available at: http://www.ipv6-es.com This electronic message contains information which may be privileged or confidential. The information is intended to be for the use of the individual(s) named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information, including attached files, is prohibited. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 09:02:37 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id JAA14920; Fri, 8 Apr 2005 09:02:37 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJtGw-00049B-AS; Fri, 08 Apr 2005 09:11:42 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJszv-0004gT-PQ; Fri, 08 Apr 2005 08:54:07 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJszu-0004dj-3C for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 08:54:06 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id IAA14174 for ; Fri, 8 Apr 2005 08:54:04 -0400 (EDT) Received: from 213-136-24-43.adsl.bit.nl ([213.136.24.43] helo=purgatory.unfix.org ident=postfix) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJt8e-0003bX-1c for v6tc@ietf.org; Fri, 08 Apr 2005 09:03:09 -0400 Received: from firenze.zurich.ibm.com (pat.zurich.ibm.com [195.176.20.45]) (using SSLv3 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by purgatory.unfix.org (Postfix) with ESMTP id 7C5AD8880; Fri, 8 Apr 2005 14:53:46 +0200 (CEST) Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: Jeroen Massar To: jordi.palet@consulintel.es, Thomas Narten In-Reply-To: <200504081104.j38B4hh4023080@cichlid.raleigh.ibm.com> References: <200504081104.j38B4hh4023080@cichlid.raleigh.ibm.com> Organization: Unfix Date: Fri, 08 Apr 2005 14:53:43 +0200 Message-Id: <1112964824.26936.102.camel@firenze.zurich.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.1.1 X-Spam-Score: 1.8 (+) X-Scan-Signature: 995b2e24d23b953c94bac5288c432399 Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1027247014==" Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: ec7c6dab5a62df223002ae71b5179d41 --===============1027247014== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-+yns9jhGVzDotW7BzvOq" --=-+yns9jhGVzDotW7BzvOq Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Fri, 2005-04-08 at 14:32 +0200, JORDI PALET MARTINEZ wrote:=20 > I got the same answer. But company roadmaps could change, I'm not sure ab= out > the actual roadmap on this. Longhorn will be out in 2007? 2008? Even then, it would require people to install patches, and hearing that many have not even bothered to install SP2 I don't see many people installing such an upgrade either. I do hope it changes, but still L2TP will not cross most NAT's. If it did why do people think MS made Teredo in the first place? (which crosses most NAT's and is automatically configured, except for a bit of latency, this btw also would benefit from an anycast prefix to get the closest one) On Fri, 2005-04-08 at 07:04 -0400, Thomas Narten wrote: > > The only thing you need is a well known anycast IP address where your > > clients can find the TSP server at. >=20 > I keep hearing this like its a slam-dunk obvious solution. It is not > (at least not if I listen to what some other people say). I've never seen a valid argument against it. Otherwise if people do have them, it might very well be that I missed out on a lot of them, please state them. If anycast is so 'flawed' why do we then use it for the Root DNS servers and for many other high-availability services? :) Also, these anycast prefixes will be inside an ISP's network most of the time, thus there will not be much if any flapping and or changes in the actual endpoint. Actually the only thing I ever heared 'against' it was that it was 'difficult to configure'. Well if you are not able to configure routing then you should not be in the ISP or networking business in the first place and one should start reading a number of books, but that is my take on that. > The use of > anycast addresses for service discovery is controversial. Do the words > "dns discovery" bring to mind anything about the obviousness and > likeliness of having quick success of choosing this solution? I am one of the (few?) persons who still does not understand why there is no well defined anycast address which provides a (caching) recursive nameserver. What is more easy than having in your /etc/resolv.conf or similar file: nameserver 192.0.2.53 nameserver 2001:db8::53 or only one of the two for that matter. The route for the above being announced into the IGP by your own ISP and thus actually pointing to their own nameserver or provided globally by $random ISP who wants to help out the ISP's who apparently don't know how that thing called routing works. Draft for the above with a nice addon for .service domain is still coming up ;) > Everytime you (or anyone else - not picking on you in particular) > brings up this approach are you also oblivious to other folk that > don't think this is a reasonable way to go? >=20 > > Just in case people wonder why I did not go with TSP: it did not fulfil= l > > the various requirements we had, like being able to use it to turn > > tunnels on/off, move tunnels and a lot of other things, >=20 > What does "move tunnels" mean? That when the IPv4 endpoint of a host changes, eg because of DHCP changes, moving to a different wireless subnet etc. One has to configure the endpoint on the Tunnel Server so that that one knows where to send the packets, also see: http://unfix.org/~jeroen/archive/drafts/draft-massar-v6ops-heartbeat-00.txt > Also, it would be useful if you would specify the "lot of other > things", so we could understand better what the real requirements are. Private Key Distribution for eg tinc tunnels, Cookie based authentication, reconfiguration of tunnels, eg changing location of tunnels and a lot of other items we found useful and are most likely totally not needed for a generic protocol like TSP and could easily be covered by other separate protocols like LDAP. This does thus still not mean that TSP is good for everybody else on this planet :) > > in a command oriented way, thus without having to use/depend on xml. >=20 > It's not immediately obvious to me what "without having to use/depend > on xml" has to do with "command oriented way". How commands are > implemented underneath doesn't have to be visible to the user > interface. When typing on a Cisco IOS console you type commands like: ip show route 2001:db8::/48 you do not have to type:
2001:db8::/48
or some other XML syntax. I am not a computer, I am very happily totally human fortunately (au contraire what some might think ;) but that is their opinion which they can have). XML is (mostly) meant for communicating between computers and having a generic way of specifying things. > > Could the people who 'require' an alternate solution than TSP, specify > > what the problems are with it and possibly list what their proposed > > solution* would be? >=20 > Actually, I prefer just the "what is the problem part". We have enough > of an issue where the problem is "handwave handwave", but "my pet > solution" solves the problem perfectly. The problem for ISP's is, as far as I know: - You have a network that does IPv4 - This network provides access to clients, who get one, or more, IPv4 address(es) per DHCP/static/PPP etc - Due to equipment problems the routers and other access equipment can't be upgraded easily to support IPv6. (Cost etc) proto-41 could solve this already, but there is NAT in this world, because the ISP's gave only 1 IP in the first place and quite a number of NAT's can't be reconfigured/upgraded, which would require the user to it. These NAT's usually also block L2TP and PPTP btw, though the latter is less common. Next to that some networks don't allow proto-41, or worse networks that are completely behind a NAT*. My proposed solution for this problem: - Use TSP to get the configuration - Use AYIYA/v6UDP to cross the NAT And this works magically good, at least I have had a lot of happy comments from users who are using this now, though with a TIC/AYIYA combination. But I am not going to push TIC in anyway while TSP supports it too if we just make a template for an AYIYA tunnel, which would be an easy step to do. Greets, Jeroen * =3D One of the many fine examples, oh and they have 10k or was it 100k users behind it? :) inetnum: 81.208.74.176 - 81.208.74.191 netname: FASTWEB-RESIDENTIAL-07 descr: Infrastructure for Fastweb's main location descr: NAT IP addresses for residential customer, public subnet --=-+yns9jhGVzDotW7BzvOq Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Jeroen Massar / http://unfix.org/~jeroen/ iD8DBQBCVn7XKaooUjM+fCMRAlEfAJ4uFhD4h2lr+HguYXrm3P3u1Js5twCfdqYd YQK33Dye1HslsipLWHomOBg= =AIXn -----END PGP SIGNATURE----- --=-+yns9jhGVzDotW7BzvOq-- --===============1027247014== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc --===============1027247014==-- From v6tc-bounces@ietf.org Fri Apr 8 09:43:37 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id JAA20044; Fri, 8 Apr 2005 09:43:37 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJtuc-0006fp-9G; Fri, 08 Apr 2005 09:52:42 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJtl3-00089L-LJ; Fri, 08 Apr 2005 09:42:49 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJtl2-00089G-4l for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 09:42:48 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id JAA19887 for ; Fri, 8 Apr 2005 09:42:46 -0400 (EDT) Received: from mail.consulintel.es ([213.172.48.142] helo=consulintel.es) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJttn-0006cY-9D for v6tc@ietf.org; Fri, 08 Apr 2005 09:51:52 -0400 Received: from [10.10.10.100] ([217.126.187.160]) by consulintel.es (consulintel.es [127.0.0.1]) (MDaemon.PRO.v7.2.3.R) with ESMTP id md50000903898.msg for ; Fri, 08 Apr 2005 15:45:48 +0200 User-Agent: Microsoft-Entourage/11.1.0.040913 Date: Fri, 08 Apr 2005 15:42:18 +0200 Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: JORDI PALET MARTINEZ To: "v6tc@ietf.org" Message-ID: In-Reply-To: <1112964824.26936.102.camel@firenze.zurich.ibm.com> Mime-version: 1.0 Content-type: text/plain; charset="ISO-8859-1" Content-transfer-encoding: quoted-printable X-MDRemoteIP: 217.126.187.160 X-Return-Path: jordi.palet@consulintel.es X-MDaemon-Deliver-To: v6tc@ietf.org X-Spam-Checker-Version: SpamAssassin 2.64 (2004-01-11) on mail.consulintel.es X-Spam-Status: No, hits=-1.9 required=5.0 tests=BAYES_00,DOMAIN_BODY, TO_ADDRESS_EQ_REAL autolearn=no version=2.64 X-Spam-Processed: consulintel.es, Fri, 08 Apr 2005 15:45:56 +0200 X-MDAV-Processed: consulintel.es, Fri, 08 Apr 2005 15:45:57 +0200 X-Spam-Score: 1.8 (+) X-Scan-Signature: 2bf730a014b318fd3efd65b39b48818c Content-Transfer-Encoding: quoted-printable X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: jordi.palet@consulintel.es List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 1.8 (+) X-Scan-Signature: 86f85b2f88b0d50615aed44a7f9e33c7 Content-Transfer-Encoding: quoted-printable Sooner and better than that: Microsoft VP Describes IPv6 Product Roadmap http://www.new.eu.ipv6tf.org/news/newsroom.php?id=3D1058 Regards, Jordi > De: Jeroen Massar > Organizaci=F3n: Unfix > Responder a: > Fecha: Fri, 08 Apr 2005 14:53:43 +0200 > Para: , Thomas Narten > CC: "v6tc@ietf.org" > Asunto: Re: [v6tc] Re: Tunneling and Transition Drafts >=20 > On Fri, 2005-04-08 at 14:32 +0200, JORDI PALET MARTINEZ wrote: >> I got the same answer. But company roadmaps could change, I'm not sure about >> the actual roadmap on this. >=20 > Longhorn will be out in 2007? 2008? Even then, it would require people > to install patches, and hearing that many have not even bothered to > install SP2 I don't see many people installing such an upgrade either. > I do hope it changes, but still L2TP will not cross most NAT's. > If it did why do people think MS made Teredo in the first place? > (which crosses most NAT's and is automatically configured, except for a > bit of latency, this btw also would benefit from an anycast prefix to > get the closest one) >=20 > On Fri, 2005-04-08 at 07:04 -0400, Thomas Narten wrote: >>> The only thing you need is a well known anycast IP address where your >>> clients can find the TSP server at. >>=20 >> I keep hearing this like its a slam-dunk obvious solution. It is not >> (at least not if I listen to what some other people say). >=20 > I've never seen a valid argument against it. Otherwise if people do have > them, it might very well be that I missed out on a lot of them, please > state them. If anycast is so 'flawed' why do we then use it for the Root > DNS servers and for many other high-availability services? :) >=20 > Also, these anycast prefixes will be inside an ISP's network most of the > time, thus there will not be much if any flapping and or changes in the > actual endpoint. >=20 > Actually the only thing I ever heared 'against' it was that it was > 'difficult to configure'. Well if you are not able to configure routing > then you should not be in the ISP or networking business in the first > place and one should start reading a number of books, but that is my > take on that. >=20 >> The use of >> anycast addresses for service discovery is controversial. Do the words >> "dns discovery" bring to mind anything about the obviousness and >> likeliness of having quick success of choosing this solution? >=20 > I am one of the (few?) persons who still does not understand why there > is no well defined anycast address which provides a (caching) recursive > nameserver. >=20 > What is more easy than having in your /etc/resolv.conf or similar file: > nameserver 192.0.2.53 > nameserver 2001:db8::53 >=20 > or only one of the two for that matter. The route for the above being > announced into the IGP by your own ISP and thus actually pointing to > their own nameserver or provided globally by $random ISP who wants to > help out the ISP's who apparently don't know how that thing called > routing works. >=20 > Draft for the above with a nice addon for .service domain is still > coming up ;) >=20 >> Everytime you (or anyone else - not picking on you in particular) >> brings up this approach are you also oblivious to other folk that >> don't think this is a reasonable way to go? >>=20 >>> Just in case people wonder why I did not go with TSP: it did not fulfill >>> the various requirements we had, like being able to use it to turn >>> tunnels on/off, move tunnels and a lot of other things, >>=20 >> What does "move tunnels" mean? >=20 > That when the IPv4 endpoint of a host changes, eg because of DHCP > changes, moving to a different wireless subnet etc. One has to configure > the endpoint on the Tunnel Server so that that one knows where to send > the packets, also see: > http://unfix.org/~jeroen/archive/drafts/draft-massar-v6ops-heartbeat-00.txt >=20 >> Also, it would be useful if you would specify the "lot of other >> things", so we could understand better what the real requirements are. >=20 > Private Key Distribution for eg tinc tunnels, Cookie based > authentication, reconfiguration of tunnels, eg changing location of > tunnels and a lot of other items we found useful and are most likely > totally not needed for a generic protocol like TSP and could easily be > covered by other separate protocols like LDAP. >=20 > This does thus still not mean that TSP is good for everybody else on > this planet :) >=20 >>> in a command oriented way, thus without having to use/depend on xml. >>=20 >> It's not immediately obvious to me what "without having to use/depend >> on xml" has to do with "command oriented way". How commands are >> implemented underneath doesn't have to be visible to the user >> interface. >=20 > When typing on a Cisco IOS console you type commands like: > ip show route 2001:db8::/48 >=20 > you do not have to type: > >
> 2001:db8::/48 >
> >=20 > or some other XML syntax. I am not a computer, I am very happily totally > human fortunately (au contraire what some might think ;) but that is > their opinion which they can have). XML is (mostly) meant for > communicating between computers and having a generic way of specifying > things. >=20 >>> Could the people who 'require' an alternate solution than TSP, specify >>> what the problems are with it and possibly list what their proposed >>> solution* would be? >>=20 >> Actually, I prefer just the "what is the problem part". We have enough >> of an issue where the problem is "handwave handwave", but "my pet >> solution" solves the problem perfectly. >=20 > The problem for ISP's is, as far as I know: >=20 > - You have a network that does IPv4 > - This network provides access to clients, who get one, or more, IPv4 > address(es) per DHCP/static/PPP etc > - Due to equipment problems the routers and other access equipment > can't be upgraded easily to support IPv6. (Cost etc) >=20 > proto-41 could solve this already, but there is NAT in this world, > because the ISP's gave only 1 IP in the first place and quite a number > of NAT's can't be reconfigured/upgraded, which would require the user to > it. These NAT's usually also block L2TP and PPTP btw, though the latter > is less common. Next to that some networks don't allow proto-41, or > worse networks that are completely behind a NAT*. >=20 > My proposed solution for this problem: > - Use TSP to get the configuration > - Use AYIYA/v6UDP to cross the NAT >=20 > And this works magically good, at least I have had a lot of happy > comments from users who are using this now, though with a TIC/AYIYA > combination. But I am not going to push TIC in anyway while TSP supports > it too if we just make a template for an AYIYA tunnel, which would be an > easy step to do. >=20 > Greets, > Jeroen >=20 > * =3D One of the many fine examples, oh and they have 10k or was it 100k > users behind it? :) > inetnum: 81.208.74.176 - 81.208.74.191 > netname: FASTWEB-RESIDENTIAL-07 > descr: Infrastructure for Fastweb's main location > descr: NAT IP addresses for residential customer, public subnet >=20 ************************************ Barcelona 2005 Global IPv6 Summit Registration open. Information available at: http://www.ipv6-es.com This electronic message contains information which may be privileged or confidential. The information is intended to be for the use of the individual(s) named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information, including attached files, is prohibited. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 10:15:57 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id KAA23613; Fri, 8 Apr 2005 10:15:56 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJuPu-0008Kx-IR; Fri, 08 Apr 2005 10:25:02 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJu8W-0005n5-Gf; Fri, 08 Apr 2005 10:07:04 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJu8U-0005mw-Uz for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 10:07:03 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id KAA22467 for ; Fri, 8 Apr 2005 10:07:01 -0400 (EDT) Received: from rtp-iport-2.cisco.com ([64.102.122.149]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJuHF-0007u9-Kb for v6tc@ietf.org; Fri, 08 Apr 2005 10:16:07 -0400 Received: from rtp-core-2.cisco.com (64.102.124.13) by rtp-iport-2.cisco.com with ESMTP; 08 Apr 2005 10:06:52 -0400 Received: from fruitpie.cisco.com (IDENT:mirapoint@fruitpie.cisco.com [64.102.16.27]) by rtp-core-2.cisco.com (8.12.10/8.12.6) with ESMTP id j38E6njI020870; Fri, 8 Apr 2005 10:06:50 -0400 (EDT) Received: from [10.83.1.101] (rtp-townsley-vpn4.cisco.com [10.83.1.101]) by fruitpie.cisco.com (MOS 3.4.6-GR) with SMTP id BGQ01323; Fri, 8 Apr 2005 07:06:46 -0700 (PDT) Message-ID: <42568FF5.8020401@cisco.com> Date: Fri, 08 Apr 2005 10:06:45 -0400 From: "W. Mark Townsley" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7) Gecko/20040616 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Jeroen Massar Subject: Re: [v6tc] Re: Tunneling and Transition Drafts References: <200504081104.j38B4hh4023080@cichlid.raleigh.ibm.com> <1112964824.26936.102.camel@firenze.zurich.ibm.com> In-Reply-To: <1112964824.26936.102.camel@firenze.zurich.ibm.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 1.8 (+) X-Scan-Signature: 93df555cbdbcdae9621e5b95d44b301e Content-Transfer-Encoding: 7bit Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 1.8 (+) X-Scan-Signature: ec7c6dab5a62df223002ae71b5179d41 Content-Transfer-Encoding: 7bit Jeroen Massar wrote: > On Fri, 2005-04-08 at 14:32 +0200, JORDI PALET MARTINEZ wrote: > >>I got the same answer. But company roadmaps could change, I'm not sure about >>the actual roadmap on this. > > > Longhorn will be out in 2007? 2008? Even then, it would require people > to install patches, and hearing that many have not even bothered to > install SP2 I don't see many people installing such an upgrade either. > I do hope it changes, but still L2TP will not cross most NAT's. Jumping in with my old l2tpext hat on just to correct this inaccuracy: L2TP operates over UDP 1701. Port 115 is for RFC3931 L2TPv3 "IP" mode that was created for people who don't like the 8 bytes of UDP, however, we kept a UDP mode in the L2TPv3 spec as well - largely for NAT traversal. The PPP/L2TP that is widely deployed today and for which the GPL source is available certainly operates over UDP 1701. Windows XP not supporting IPv6 in PPP *is* a problem - not just for v6tc though. Back to your lively debate.... - Mark > If it did why do people think MS made Teredo in the first place? > (which crosses most NAT's and is automatically configured, except for a > bit of latency, this btw also would benefit from an anycast prefix to > get the closest one) > > On Fri, 2005-04-08 at 07:04 -0400, Thomas Narten wrote: > >>>The only thing you need is a well known anycast IP address where your >>>clients can find the TSP server at. >> >>I keep hearing this like its a slam-dunk obvious solution. It is not >>(at least not if I listen to what some other people say). > > > I've never seen a valid argument against it. Otherwise if people do have > them, it might very well be that I missed out on a lot of them, please > state them. If anycast is so 'flawed' why do we then use it for the Root > DNS servers and for many other high-availability services? :) > > Also, these anycast prefixes will be inside an ISP's network most of the > time, thus there will not be much if any flapping and or changes in the > actual endpoint. > > Actually the only thing I ever heared 'against' it was that it was > 'difficult to configure'. Well if you are not able to configure routing > then you should not be in the ISP or networking business in the first > place and one should start reading a number of books, but that is my > take on that. > > >> The use of >>anycast addresses for service discovery is controversial. Do the words >>"dns discovery" bring to mind anything about the obviousness and >>likeliness of having quick success of choosing this solution? > > > I am one of the (few?) persons who still does not understand why there > is no well defined anycast address which provides a (caching) recursive > nameserver. > > What is more easy than having in your /etc/resolv.conf or similar file: > nameserver 192.0.2.53 > nameserver 2001:db8::53 > > or only one of the two for that matter. The route for the above being > announced into the IGP by your own ISP and thus actually pointing to > their own nameserver or provided globally by $random ISP who wants to > help out the ISP's who apparently don't know how that thing called > routing works. > > Draft for the above with a nice addon for .service domain is still > coming up ;) > > >>Everytime you (or anyone else - not picking on you in particular) >>brings up this approach are you also oblivious to other folk that >>don't think this is a reasonable way to go? >> >> >>>Just in case people wonder why I did not go with TSP: it did not fulfill >>>the various requirements we had, like being able to use it to turn >>>tunnels on/off, move tunnels and a lot of other things, >> >>What does "move tunnels" mean? > > > That when the IPv4 endpoint of a host changes, eg because of DHCP > changes, moving to a different wireless subnet etc. One has to configure > the endpoint on the Tunnel Server so that that one knows where to send > the packets, also see: > http://unfix.org/~jeroen/archive/drafts/draft-massar-v6ops-heartbeat-00.txt > > >>Also, it would be useful if you would specify the "lot of other >>things", so we could understand better what the real requirements are. > > > Private Key Distribution for eg tinc tunnels, Cookie based > authentication, reconfiguration of tunnels, eg changing location of > tunnels and a lot of other items we found useful and are most likely > totally not needed for a generic protocol like TSP and could easily be > covered by other separate protocols like LDAP. > > This does thus still not mean that TSP is good for everybody else on > this planet :) > > >>>in a command oriented way, thus without having to use/depend on xml. >> >>It's not immediately obvious to me what "without having to use/depend >>on xml" has to do with "command oriented way". How commands are >>implemented underneath doesn't have to be visible to the user >>interface. > > > When typing on a Cisco IOS console you type commands like: > ip show route 2001:db8::/48 > > you do not have to type: > >
> 2001:db8::/48 >
> > > or some other XML syntax. I am not a computer, I am very happily totally > human fortunately (au contraire what some might think ;) but that is > their opinion which they can have). XML is (mostly) meant for > communicating between computers and having a generic way of specifying > things. > > >>>Could the people who 'require' an alternate solution than TSP, specify >>>what the problems are with it and possibly list what their proposed >>>solution* would be? >> >>Actually, I prefer just the "what is the problem part". We have enough >>of an issue where the problem is "handwave handwave", but "my pet >>solution" solves the problem perfectly. > > > The problem for ISP's is, as far as I know: > > - You have a network that does IPv4 > - This network provides access to clients, who get one, or more, IPv4 > address(es) per DHCP/static/PPP etc > - Due to equipment problems the routers and other access equipment > can't be upgraded easily to support IPv6. (Cost etc) > > proto-41 could solve this already, but there is NAT in this world, > because the ISP's gave only 1 IP in the first place and quite a number > of NAT's can't be reconfigured/upgraded, which would require the user to > it. These NAT's usually also block L2TP and PPTP btw, though the latter > is less common. Next to that some networks don't allow proto-41, or > worse networks that are completely behind a NAT*. > > My proposed solution for this problem: > - Use TSP to get the configuration > - Use AYIYA/v6UDP to cross the NAT > > And this works magically good, at least I have had a lot of happy > comments from users who are using this now, though with a TIC/AYIYA > combination. But I am not going to push TIC in anyway while TSP supports > it too if we just make a template for an AYIYA tunnel, which would be an > easy step to do. > > Greets, > Jeroen > > * = One of the many fine examples, oh and they have 10k or was it 100k > users behind it? :) > inetnum: 81.208.74.176 - 81.208.74.191 > netname: FASTWEB-RESIDENTIAL-07 > descr: Infrastructure for Fastweb's main location > descr: NAT IP addresses for residential customer, public subnet > > > > ------------------------------------------------------------------------ > > _______________________________________________ > v6tc mailing list > v6tc@ietf.org > https://www1.ietf.org/mailman/listinfo/v6tc _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 12:14:41 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id MAA08305; Fri, 8 Apr 2005 12:14:41 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJwGq-0006Ca-MF; Fri, 08 Apr 2005 12:23:48 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJw55-0002eB-6h; Fri, 08 Apr 2005 12:11:39 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJw53-0002cT-FW for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 12:11:37 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id MAA07712 for ; Fri, 8 Apr 2005 12:11:35 -0400 (EDT) Received: from 213-136-24-43.adsl.bit.nl ([213.136.24.43] helo=purgatory.unfix.org ident=postfix) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJwDp-0005wl-DI for v6tc@ietf.org; Fri, 08 Apr 2005 12:20:42 -0400 Received: from firenze.zurich.ibm.com (pat.zurich.ibm.com [195.176.20.45]) (using SSLv3 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by purgatory.unfix.org (Postfix) with ESMTP id 78F708880; Fri, 8 Apr 2005 18:11:25 +0200 (CEST) Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: Jeroen Massar To: "W. Mark Townsley" In-Reply-To: <42568FF5.8020401@cisco.com> References: <200504081104.j38B4hh4023080@cichlid.raleigh.ibm.com> <1112964824.26936.102.camel@firenze.zurich.ibm.com> <42568FF5.8020401@cisco.com> Organization: Unfix Date: Fri, 08 Apr 2005 18:11:22 +0200 Message-Id: <1112976683.1496.23.camel@firenze.zurich.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.1.1 X-Spam-Score: 0.0 (/) X-Scan-Signature: 3e15cc4fdc61d7bce84032741d11c8e5 Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1422763183==" Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 0fa76816851382eb71b0a882ccdc29ac --===============1422763183== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-GswB/tTAKw+mPLvnR7hC" --=-GswB/tTAKw+mPLvnR7hC Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Fri, 2005-04-08 at 10:06 -0400, W. Mark Townsley wrote: > Jeroen Massar wrote: >=20 > > On Fri, 2005-04-08 at 14:32 +0200, JORDI PALET MARTINEZ wrote:=20 > >=20 > >>I got the same answer. But company roadmaps could change, I'm not sure = about > >>the actual roadmap on this. > >=20 > >=20 > > Longhorn will be out in 2007? 2008? Even then, it would require people > > to install patches, and hearing that many have not even bothered to > > install SP2 I don't see many people installing such an upgrade either. > > I do hope it changes, but still L2TP will not cross most NAT's. >=20 > Jumping in with my old l2tpext hat on just to correct this inaccuracy: L2= TP=20 > operates over UDP 1701. Port 115 is for RFC3931 L2TPv3 "IP" mode that was Thanks for the correction & clarification. I'll take that you meant "Proto 115" instead of the port. When used in this mode then it will, just like the others cross a NAT with ease, unless firewalled of course. Because of the Keepalive protocol it will also stay 'up'. When the source address changes (dhcp change, change of wireless net) one will also automatically reconnect, might have a small delay but should work. We still miss an actual implementation on the more widely deployed platforms and as those are in the big target area this will be something many people will want. I am actually tempted all of a sudden to just implement it, but unfortunately not enough time for that. Greets, Jeroen --=-GswB/tTAKw+mPLvnR7hC Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Jeroen Massar / http://unfix.org/~jeroen/ iD8DBQBCVq0qKaooUjM+fCMRAi9UAJsFLxnghxrkbVmE5T64nJDyZld35ACgoJhb tlBrVmCxYsdsP6YWZkyq+Y4= =rNg8 -----END PGP SIGNATURE----- --=-GswB/tTAKw+mPLvnR7hC-- --===============1422763183== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc --===============1422763183==-- From v6tc-bounces@ietf.org Fri Apr 8 12:44:10 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id MAA11594; Fri, 8 Apr 2005 12:44:10 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJwjO-0007ku-JW; Fri, 08 Apr 2005 12:53:18 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJwZ7-00041l-Tl; Fri, 08 Apr 2005 12:42:41 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJwZ5-00041b-LF for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 12:42:39 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id MAA11116 for ; Fri, 8 Apr 2005 12:42:37 -0400 (EDT) Received: from rtp-iport-1.cisco.com ([64.102.122.148]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJwhs-0007g8-0p for v6tc@ietf.org; Fri, 08 Apr 2005 12:51:45 -0400 Received: from rtp-core-2.cisco.com (64.102.124.13) by rtp-iport-1.cisco.com with ESMTP; 08 Apr 2005 13:04:02 -0400 X-IronPort-AV: i="3.92,88,1112587200"; d="scan'208"; a="43714259:sNHT2689768230" Received: from fruitpie.cisco.com (IDENT:mirapoint@fruitpie.cisco.com [64.102.16.27]) by rtp-core-2.cisco.com (8.12.10/8.12.6) with ESMTP id j38GgHjI007242; Fri, 8 Apr 2005 12:42:18 -0400 (EDT) Received: from [10.83.1.101] (rtp-townsley-vpn4.cisco.com [10.83.1.101]) by fruitpie.cisco.com (MOS 3.4.6-GR) with SMTP id BGQ10149; Fri, 8 Apr 2005 09:42:14 -0700 (PDT) Message-ID: <4256B464.6040205@cisco.com> Date: Fri, 08 Apr 2005 12:42:12 -0400 From: "W. Mark Townsley" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7) Gecko/20040616 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Jeroen Massar Subject: Re: [v6tc] Re: Tunneling and Transition Drafts References: <200504081104.j38B4hh4023080@cichlid.raleigh.ibm.com> <1112964824.26936.102.camel@firenze.zurich.ibm.com> <42568FF5.8020401@cisco.com> <1112976683.1496.23.camel@firenze.zurich.ibm.com> In-Reply-To: <1112976683.1496.23.camel@firenze.zurich.ibm.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Scan-Signature: 7aafa0432175920a4b3e118e16c5cb64 Content-Transfer-Encoding: 7bit Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 0a7aa2e6e558383d84476dc338324fab Content-Transfer-Encoding: 7bit Jeroen Massar wrote: > On Fri, 2005-04-08 at 10:06 -0400, W. Mark Townsley wrote: > >>Jeroen Massar wrote: >> >> >>>On Fri, 2005-04-08 at 14:32 +0200, JORDI PALET MARTINEZ wrote: >>> >>> >>>>I got the same answer. But company roadmaps could change, I'm not sure about >>>>the actual roadmap on this. >>> >>> >>>Longhorn will be out in 2007? 2008? Even then, it would require people >>>to install patches, and hearing that many have not even bothered to >>>install SP2 I don't see many people installing such an upgrade either. >>>I do hope it changes, but still L2TP will not cross most NAT's. >> >>Jumping in with my old l2tpext hat on just to correct this inaccuracy: L2TP >>operates over UDP 1701. Port 115 is for RFC3931 L2TPv3 "IP" mode that was > > > Thanks for the correction & clarification. I'll take that you meant > "Proto 115" instead of the port. Yes, IP "Protocol" 115. Typo. > When used in this mode then it will, > just like the others cross a NAT with ease, unless firewalled of course. > Because of the Keepalive protocol it will also stay 'up'. When the > source address changes (dhcp change, change of wireless net) one will > also automatically reconnect, might have a small delay but should work. > > We still miss an actual implementation on the more widely deployed > platforms and as those are in the big target area this will be something > many people will want. I am actually tempted all of a sudden to just > implement it, but unfortunately not enough time for that. Or be tempted to implement IPv6 for PPP on Windows XP and sell it (or offer it as shareware) for ~$9.95 for a while... Until Longhorn comes out, you might make a little money on the side... (whether L2TP is used for v6tc or not). In the end, a lot of implementations may actually be CPEs rather than hosts, in which case having the linux implementation helps. - Mark > > Greets, > Jeroen > _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 13:35:17 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id NAA16563; Fri, 8 Apr 2005 13:35:17 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJxWq-0001rn-IK; Fri, 08 Apr 2005 13:44:25 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJxLP-0000r8-Vo; Fri, 08 Apr 2005 13:32:35 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJxLP-0000qw-1o for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 13:32:35 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id NAA16267 for ; Fri, 8 Apr 2005 13:32:32 -0400 (EDT) Received: from laposte.rennes.enst-bretagne.fr ([192.44.77.17]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJxUB-0001iJ-GT for v6tc@ietf.org; Fri, 08 Apr 2005 13:41:40 -0400 Received: from givry.rennes.enst-bretagne.fr (givry.rennes.enst-bretagne.fr [193.52.74.194]) by laposte.rennes.enst-bretagne.fr (8.11.6p2/8.11.6/2003.04.01) with ESMTP id j38HWBg13026; Fri, 8 Apr 2005 19:32:11 +0200 Received: from givry.rennes.enst-bretagne.fr (localhost.rennes.enst-bretagne.fr [127.0.0.1]) by givry.rennes.enst-bretagne.fr (8.13.1/8.13.1) with ESMTP id j38HWBJg012937; Fri, 8 Apr 2005 19:32:11 +0200 (CEST) (envelope-from dupont@givry.rennes.enst-bretagne.fr) Message-Id: <200504081732.j38HWBJg012937@givry.rennes.enst-bretagne.fr> From: Francis Dupont To: Pekka Savola Subject: Re: [v6tc] Re: Tunneling and Transition Drafts In-reply-to: Your message of Fri, 08 Apr 2005 13:12:25 +0300. Date: Fri, 08 Apr 2005 19:32:11 +0200 X-Virus-Scanned: by amavisd-milter (http://amavis.org/) at enst-bretagne.fr X-Spam-Score: 0.0 (/) X-Scan-Signature: 1ac7cc0a4cd376402b85bc1961a86ac2 Cc: "v6tc@ietf.org" , Jerome Durand X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: d6b246023072368de71562c0ab503126 In your previous mail you wrote: L2TP ? => L2TP works in very bad networks (private addressing, paranoid filtering, etc) so IMHO we should keep it in our toolkit. It is a standard, there are many implementations (I use it over every Linuxes and BSDs) and it is ISP friendly (ISPs are still fond of PPP :-). Regards Francis.Dupont@enst-bretagne.fr PS: it seems a cleaned TSP and L2TP are enough for v6tc stuff. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 13:45:43 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id NAA17185; Fri, 8 Apr 2005 13:45:43 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJxgx-0002OG-CP; Fri, 08 Apr 2005 13:54:52 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJxUq-0002gU-6J; Fri, 08 Apr 2005 13:42:20 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJxUo-0002gG-IA for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 13:42:18 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id NAA17038 for ; Fri, 8 Apr 2005 13:42:15 -0400 (EDT) Received: from laposte.rennes.enst-bretagne.fr ([192.44.77.17]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJxdb-0002Ad-7p for v6tc@ietf.org; Fri, 08 Apr 2005 13:51:24 -0400 Received: from givry.rennes.enst-bretagne.fr (givry.rennes.enst-bretagne.fr [193.52.74.194]) by laposte.rennes.enst-bretagne.fr (8.11.6p2/8.11.6/2003.04.01) with ESMTP id j38Hg1g13624; Fri, 8 Apr 2005 19:42:01 +0200 Received: from givry.rennes.enst-bretagne.fr (localhost.rennes.enst-bretagne.fr [127.0.0.1]) by givry.rennes.enst-bretagne.fr (8.13.1/8.13.1) with ESMTP id j38Hg0aM013080; Fri, 8 Apr 2005 19:42:02 +0200 (CEST) (envelope-from dupont@givry.rennes.enst-bretagne.fr) Message-Id: <200504081742.j38Hg0aM013080@givry.rennes.enst-bretagne.fr> From: Francis Dupont To: jordi.palet@consulintel.es Subject: Re: [v6tc] Re: Tunneling and Transition Drafts In-reply-to: Your message of Fri, 08 Apr 2005 13:40:00 +0200. Date: Fri, 08 Apr 2005 19:42:00 +0200 X-Virus-Scanned: by amavisd-milter (http://amavis.org/) at enst-bretagne.fr X-Spam-Score: 0.0 (/) X-Scan-Signature: d6b246023072368de71562c0ab503126 Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 93238566e09e6e262849b4f805833007 In your previous mail you wrote: My point regarding the lack of support of L2TP in more and more hotels and hot spots, and that's why I think the encapsulation should be flexible. => Can you explain what is the problem? Filtering of some UDP ports? Something else? I've also no idea about how much the 3G folks will like to implement L2TP. => ADSL folks have already L2TP: only new 3G folks could have a problem with L2TP. Regards Francis.Dupont@enst-bretagne.fr PS: the real problem of L2TP is its overhead, but as I said at the IETF, this makes it a good candidate for clever header compression... _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 14:08:25 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id OAA18804; Fri, 8 Apr 2005 14:08:25 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJy2u-0003PI-O8; Fri, 08 Apr 2005 14:17:32 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJxsa-0007xJ-HS; Fri, 08 Apr 2005 14:06:52 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJxsY-0007xB-Lr for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 14:06:50 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id OAA18709 for ; Fri, 8 Apr 2005 14:06:49 -0400 (EDT) Received: from laposte.rennes.enst-bretagne.fr ([192.44.77.17]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJy1L-0003OI-P1 for v6tc@ietf.org; Fri, 08 Apr 2005 14:15:57 -0400 Received: from givry.rennes.enst-bretagne.fr (givry.rennes.enst-bretagne.fr [193.52.74.194]) by laposte.rennes.enst-bretagne.fr (8.11.6p2/8.11.6/2003.04.01) with ESMTP id j38I6Yg14828; Fri, 8 Apr 2005 20:06:34 +0200 Received: from givry.rennes.enst-bretagne.fr (localhost.rennes.enst-bretagne.fr [127.0.0.1]) by givry.rennes.enst-bretagne.fr (8.13.1/8.13.1) with ESMTP id j38I6Z1M013207; Fri, 8 Apr 2005 20:06:35 +0200 (CEST) (envelope-from dupont@givry.rennes.enst-bretagne.fr) Message-Id: <200504081806.j38I6Z1M013207@givry.rennes.enst-bretagne.fr> From: Francis Dupont To: Jeroen Massar Subject: Re: [v6tc] Re: Tunneling and Transition Drafts In-reply-to: Your message of Fri, 08 Apr 2005 13:46:52 +0200. <1112960812.26936.57.camel@firenze.zurich.ibm.com> Date: Fri, 08 Apr 2005 20:06:35 +0200 X-Virus-Scanned: by amavisd-milter (http://amavis.org/) at enst-bretagne.fr X-Spam-Score: 0.0 (/) X-Scan-Signature: e1e48a527f609d1be2bc8d8a70eb76cb Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 4adaf050708fb13be3316a9eee889caa In your previous mail you wrote: Since when does proto-115 cross NAT's ? L2TP typically does not work for the same reason why proto-41 does not work: NAT boxes don't forward proto-41 nor proto-115. => usually L2TP is run over UDP, not protocol 115. Also L2TP has the limitation that it requires authenticated use, which => I don't understand your concern: is it about the optional shared secret to protect L2TP control or PPP authentication? was not acceptable according to some people on this and the v6ops list. One conclusion I can make from all these discussions is though that: - There are a number of mechanisms - These mechanisms all have their distinct advantages => I agree but not for the same reasons... My take on this thus becomes: - In general tunneling IPv6 over UDP works *everywhere* (unless there is an administrative filter prohibiting it in which case we should not try to override it either) => there are two very different instances of this: Teredo and L2TP. I don't believe we need a third one. - TSP is deployed and works (*) => yeah! TSP is great in the (common) cases you can use it. Perhaps too great so there are not enough TSP services where I am... Regards Francis.Dupont@enst-bretagne.fr PS: I don't believe we have to spend a lot of time on marginal improvements: the ultimate target should to get *native* IPv6! _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 14:25:55 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id OAA20511; Fri, 8 Apr 2005 14:25:54 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJyJp-0004Ja-Bc; Fri, 08 Apr 2005 14:35:02 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJy9P-0003vT-0f; Fri, 08 Apr 2005 14:24:15 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJy9N-0003ph-Dp for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 14:24:13 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id OAA20395 for ; Fri, 8 Apr 2005 14:24:12 -0400 (EDT) Received: from 213-136-24-43.adsl.bit.nl ([213.136.24.43] helo=purgatory.unfix.org ident=postfix) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJyIA-0004CE-1U for v6tc@ietf.org; Fri, 08 Apr 2005 14:33:19 -0400 Received: from firenze.zurich.ibm.com (pat.zurich.ibm.com [195.176.20.45]) (using SSLv3 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by purgatory.unfix.org (Postfix) with ESMTP id A03358880; Fri, 8 Apr 2005 20:24:05 +0200 (CEST) Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: Jeroen Massar To: Francis Dupont In-Reply-To: <200504081806.j38I6Z1M013207@givry.rennes.enst-bretagne.fr> References: <200504081806.j38I6Z1M013207@givry.rennes.enst-bretagne.fr> Organization: Unfix Date: Fri, 08 Apr 2005 20:24:02 +0200 Message-Id: <1112984642.1788.15.camel@firenze.zurich.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.1.1 X-Spam-Score: 0.0 (/) X-Scan-Signature: 42e3ed3f10a1d8bef690f09da16f507a Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0666649851==" Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 21be852dc93f0971708678c18d38c096 --===============0666649851== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-u0VzUbOMHNWK/F2rRUP+" --=-u0VzUbOMHNWK/F2rRUP+ Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Fri, 2005-04-08 at 12:42 -0400, W. Mark Townsley wrote:=20 > > When used in this mode then it will, > > just like the others cross a NAT with ease, unless firewalled of course= . > > Because of the Keepalive protocol it will also stay 'up'. When the > > source address changes (dhcp change, change of wireless net) one will > > also automatically reconnect, might have a small delay but should work. > >=20 > > We still miss an actual implementation on the more widely deployed > > platforms and as those are in the big target area this will be somethin= g > > many people will want. I am actually tempted all of a sudden to just > > implement it, but unfortunately not enough time for that. >=20 > Or be tempted to implement IPv6 for PPP on Windows XP and sell it (or off= er it=20 > as shareware) for ~$9.95 for a while... Until Longhorn comes out, you mig= ht make=20 > a little money on the side... (whether L2TP is used for v6tc or not). Asking money for a transition tool is silly. Helping people get it for free and with ease is my target. There is, at the moment, IMHO, no big point in demanding money for such services. And especially with the 'free copying' going on in this world it doesn't make sense anyway unless you are able to afford time and money on reclaiming it, which simply is not possible anyway= . For these cases, just let people donate if they need to. Anyway this is the= IETF ;) Nevertheless I'll put it somewhere on that big list, lets see how many part= ies get canceled this week... > In the end, a lot of implementations may actually be CPEs rather than hos= ts, in=20 > which case having the linux implementation helps. Linux supports it, but not too many people want to actually touch their gea= r. and for most of those people Linux is still scary. On Fri, 2005-04-08 at 19:32 +0200, Francis Dupont wrote:=20 > In your previous mail you wrote: >=20 > L2TP ? > =20 > =3D> L2TP works in very bad networks (private addressing, paranoid filter= ing, > etc) so IMHO we should keep it in our toolkit. It is a standard, > there are many implementations (I use it over every Linuxes and BSDs) > and it is ISP friendly (ISPs are still fond of PPP :-). >=20 > Regards >=20 > Francis.Dupont@enst-bretagne.fr >=20 > PS: it seems a cleaned TSP and L2TP are enough for v6tc stuff. With, IMHO an addition of a discovery protocol. Do note btw that TSP is a configuration protocol, it does not cover the NAT-crossing case. On Fri, 2005-04-08 at 20:06 +0200, Francis Dupont wrote: > In your previous mail you wrote: >=20 > Since when does proto-115 cross NAT's ? > =20 > L2TP typically does not work for the same reason why proto-41 does not > work: NAT boxes don't forward proto-41 nor proto-115. > =20 > =3D> usually L2TP is run over UDP, not protocol 115. As was indeed pointed out already ;) > Also L2TP has the limitation that it requires authenticated use, which >=20 > =3D> I don't understand your concern: is it about the optional shared sec= ret > to protect L2TP control or PPP authentication? I actually like authentication, as that is a good thing, because it allows also to track abuse easier. But I recall that there where a number of scenarios where people demanded 'anonymous tunneling'. > My take on this thus becomes: > - In general tunneling IPv6 over UDP works *everywhere* > (unless there is an administrative filter prohibiting it > in which case we should not try to override it either) >=20 > =3D> there are two very different instances of this: Teredo and L2TP. > I don't believe we need a third one. Teredo could be used for the case where the ISP doesn't supply it, L2TP for the case where they do. > - TSP is deployed and works (*) > =20 > =3D> yeah! TSP is great in the (common) cases you can use it. Perhaps too > great so there are not enough TSP services where I am... Off-list/topic/subject: Afaik you are in France. Should I enable the TSP server for the SixXS system? Then you have near-European wide coverage... If someone wants to push me over the convince border, yell privately. Next to that, you are in an french educational network, thus I guess that Jerome Durand / Renater can supply you with such connectivity. Also makes the claim that "TSP" is not deployed go away. > PS: I don't believe we have to spend a lot of time on marginal improvemen= ts: > the ultimate target should to get *native* IPv6! My idea ;) But unfortunately not always possible. Greets, Jeroen --=-u0VzUbOMHNWK/F2rRUP+ Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Jeroen Massar / http://unfix.org/~jeroen/ iD8DBQBCVsxCKaooUjM+fCMRArvGAJ41MBAs8tMnEnn88TvUH0x+wiPs4gCfXmY5 o/4WlaWi6cWjHirxomzK9l0= =XV7A -----END PGP SIGNATURE----- --=-u0VzUbOMHNWK/F2rRUP+-- --===============0666649851== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc --===============0666649851==-- From v6tc-bounces@ietf.org Fri Apr 8 14:54:42 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id OAA22440; Fri, 8 Apr 2005 14:54:42 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJyle-0005dc-91; Fri, 08 Apr 2005 15:03:50 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJyXv-0000JU-1y; Fri, 08 Apr 2005 14:49:35 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJyXu-0000JE-1d for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 14:49:34 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id OAA22005 for ; Fri, 8 Apr 2005 14:49:32 -0400 (EDT) Received: from dsl093-039-075.pdx1.dsl.speakeasy.net ([66.93.39.75] helo=smtp-e.tycool.net) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJygg-0005Lk-M1 for v6tc@ietf.org; Fri, 08 Apr 2005 14:58:40 -0400 Received: from [192.168.1.2] (unknown [192.168.1.2]) by smtp-e.tycool.net (Postfix) with ESMTP id A6CA8DF for ; Fri, 8 Apr 2005 11:49:53 -0700 (PDT) Mime-Version: 1.0 (Apple Message framework v619.2) In-Reply-To: <1112984642.1788.15.camel@firenze.zurich.ibm.com> References: <200504081806.j38I6Z1M013207@givry.rennes.enst-bretagne.fr> <1112984642.1788.15.camel@firenze.zurich.ibm.com> Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: <2ebbfb91d40e6f9790ef7c1db0abc78e@tycool.net> Content-Transfer-Encoding: 7bit From: Alain Durand Date: Fri, 8 Apr 2005 11:49:23 -0700 To: v6tc@ietf.org X-Mailer: Apple Mail (2.619.2) X-Spam-Score: 0.0 (/) X-Scan-Signature: 538aad3a3c4f01d8b6a6477ca4248793 Content-Transfer-Encoding: 7bit Subject: [v6tc] Let the market decide or not: L2TP and/or TSP X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: f4c2cf0bccc868e4cc88dace71fb3f44 Content-Transfer-Encoding: 7bit BOF chair hat still on, I'm going to try to summarize the discussion so far. - Time to market is critical. - TSP & L2TP are the two natural candidates - The end point discovery is a difficult but orthogonal issue that should not clout the discussion on tunnel configuration. I'm not going to address it in this email. Back to TSP & L2TP. - L2TP is standardized, but a document explaining how to use it in the IPv6 transition phase might be needed. - 3 issues have been raised with L2TP: - large number of RTT. This is only on issue in low latency networks such as 3G. If we are NOT looking for a combined solution for fixed/wireless 3G this is a non issue, if we are, this is a show stopper. - Lack of a supported implementation of IPv6 over PPP on a very critical OS. IMHO, this is issue for the company that makes this OS, not for the IETF... ... on the other hand, time to market is critical. - Lack of a complete non authenticated mode. This needs to be investigate further, as it is not absolutely clear to me it can't be done. - Issues with TSP: - not been through community review (i.e. no RFC to point to) - re-opening TSP might sounds like duplicating L2TP Now, here are the questions I would like this group to try to answer: 1) is a combined mechanism for fixed/wireless 3G network still important? 2) Is it the case that we have to define BOTH an L2TP based mechanism AND TSP with all the operational/implementation headaches of having to support 2 things in order to "let the market decide" or do people think we need one and only one mechanism? Please focus your answers on those two questions. - Alain. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 15:23:32 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA25955; Fri, 8 Apr 2005 15:23:32 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJzDc-00070g-Gm; Fri, 08 Apr 2005 15:32:40 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJz3U-0007MJ-PC; Fri, 08 Apr 2005 15:22:12 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJz3T-0007Lt-7W for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 15:22:11 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA25840 for ; Fri, 8 Apr 2005 15:22:09 -0400 (EDT) Received: from rtp-iport-1.cisco.com ([64.102.122.148]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJzCH-0006yW-W3 for v6tc@ietf.org; Fri, 08 Apr 2005 15:31:18 -0400 Received: from rtp-core-2.cisco.com (64.102.124.13) by rtp-iport-1.cisco.com with ESMTP; 08 Apr 2005 15:43:43 -0400 X-IronPort-AV: i="3.92,88,1112587200"; d="scan'208"; a="43740331:sNHT30255244" Received: from fruitpie.cisco.com (IDENT:mirapoint@fruitpie.cisco.com [64.102.16.27]) by rtp-core-2.cisco.com (8.12.10/8.12.6) with ESMTP id j38JLwjI021692; Fri, 8 Apr 2005 15:21:58 -0400 (EDT) Received: from [10.83.1.101] (rtp-townsley-vpn4.cisco.com [10.83.1.101]) by fruitpie.cisco.com (MOS 3.4.6-GR) with SMTP id BGQ19838; Fri, 8 Apr 2005 12:21:55 -0700 (PDT) Message-ID: <4256D9D2.9070604@cisco.com> Date: Fri, 08 Apr 2005 15:21:54 -0400 From: "W. Mark Townsley" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7) Gecko/20040616 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Jeroen Massar Subject: Re: [v6tc] Re: Tunneling and Transition Drafts References: <200504081806.j38I6Z1M013207@givry.rennes.enst-bretagne.fr> <1112984642.1788.15.camel@firenze.zurich.ibm.com> In-Reply-To: <1112984642.1788.15.camel@firenze.zurich.ibm.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Scan-Signature: 36b1f8810cb91289d885dc8ab4fc8172 Content-Transfer-Encoding: 7bit Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 87a3f533bb300b99e2a18357f3c1563d Content-Transfer-Encoding: 7bit Jeroen Massar wrote: > Asking money for a transition tool is silly. Helping people get it for free > and with ease is my target. Much agreed, just putting the $ argument out there to point out that this is an area where there may be demand due to a hole in Microsoft's current IPv6 offering (Again, v6tc aside - I'm really talking about the lack of IPv6 for PPP in general). > There is, at the moment, IMHO, no big point in > demanding money for such services. And especially with the 'free copying' > going on in this world it doesn't make sense anyway unless you are able to > afford time and money on reclaiming it, which simply is not possible anyway. > For these cases, just let people donate if they need to. Anyway this is the IETF ;) Hence the shareware reference. Again, the $ reference was just an aside (and perhaps an unwanted distraction at this point). > > Nevertheless I'll put it somewhere on that big list, lets see how many parties > get canceled this week... I think a decent GPL or free IPv6 PPP for Windows XP would be a service to the community in general. Please write one. > > >>In the end, a lot of implementations may actually be CPEs rather than hosts, in >>which case having the linux implementation helps. > > > Linux supports it, but not too many people want to actually touch their gear. > and for most of those people Linux is still scary. For a CPE? Linksys uses Linux. - Mark > > On Fri, 2005-04-08 at 19:32 +0200, Francis Dupont wrote: > >> In your previous mail you wrote: >> >> L2TP ? >> >>=> L2TP works in very bad networks (private addressing, paranoid filtering, >>etc) so IMHO we should keep it in our toolkit. It is a standard, >>there are many implementations (I use it over every Linuxes and BSDs) >>and it is ISP friendly (ISPs are still fond of PPP :-). >> >>Regards >> >>Francis.Dupont@enst-bretagne.fr >> >>PS: it seems a cleaned TSP and L2TP are enough for v6tc stuff. > > > With, IMHO an addition of a discovery protocol. > > Do note btw that TSP is a configuration protocol, it does not cover the > NAT-crossing case. > > On Fri, 2005-04-08 at 20:06 +0200, Francis Dupont wrote: > >> In your previous mail you wrote: >> >> Since when does proto-115 cross NAT's ? >> >> L2TP typically does not work for the same reason why proto-41 does not >> work: NAT boxes don't forward proto-41 nor proto-115. >> >>=> usually L2TP is run over UDP, not protocol 115. > > > As was indeed pointed out already ;) > > >> Also L2TP has the limitation that it requires authenticated use, which >> >>=> I don't understand your concern: is it about the optional shared secret >>to protect L2TP control or PPP authentication? > > > I actually like authentication, as that is a good thing, because it > allows also to track abuse easier. But I recall that there where a > number of scenarios where people demanded 'anonymous tunneling'. > > >> My take on this thus becomes: >> - In general tunneling IPv6 over UDP works *everywhere* >> (unless there is an administrative filter prohibiting it >> in which case we should not try to override it either) >> >>=> there are two very different instances of this: Teredo and L2TP. >>I don't believe we need a third one. > > > Teredo could be used for the case where the ISP doesn't supply it, L2TP > for the case where they do. > > >> - TSP is deployed and works (*) >> >>=> yeah! TSP is great in the (common) cases you can use it. Perhaps too >>great so there are not enough TSP services where I am... > > > Off-list/topic/subject: > > Afaik you are in France. Should I enable the TSP server for the > SixXS system? Then you have near-European wide coverage... > If someone wants to push me over the convince border, yell privately. > > Next to that, you are in an french educational network, thus I guess > that Jerome Durand / Renater can supply you with such connectivity. > > Also makes the claim that "TSP" is not deployed go away. > > >>PS: I don't believe we have to spend a lot of time on marginal improvements: >>the ultimate target should to get *native* IPv6! > > > My idea ;) But unfortunately not always possible. > > Greets, > Jeroen > > > > ------------------------------------------------------------------------ > > _______________________________________________ > v6tc mailing list > v6tc@ietf.org > https://www1.ietf.org/mailman/listinfo/v6tc _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 15:48:52 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA02752; Fri, 8 Apr 2005 15:48:51 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJzc8-0001OO-G4; Fri, 08 Apr 2005 15:58:00 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJzST-0007Qy-8I; Fri, 08 Apr 2005 15:48:01 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJzSS-0007Qg-9p for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 15:48:00 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA02432 for ; Fri, 8 Apr 2005 15:47:58 -0400 (EDT) Received: from mail.consulintel.es ([213.172.48.142] helo=consulintel.es) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJzbG-00019p-PO for v6tc@ietf.org; Fri, 08 Apr 2005 15:57:07 -0400 Received: from [10.10.10.100] ([217.126.187.160]) by consulintel.es (consulintel.es [127.0.0.1]) (MDaemon.PRO.v7.2.3.R) with ESMTP id md50000904802.msg for ; Fri, 08 Apr 2005 21:49:21 +0200 User-Agent: Microsoft-Entourage/11.1.0.040913 Date: Fri, 08 Apr 2005 21:13:54 +0200 Subject: Re: [v6tc] Let the market decide or not: L2TP and/or TSP From: JORDI PALET MARTINEZ To: "v6tc@ietf.org" Message-ID: In-Reply-To: <2ebbfb91d40e6f9790ef7c1db0abc78e@tycool.net> Mime-version: 1.0 Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit X-MDRemoteIP: 217.126.187.160 X-Return-Path: jordi.palet@consulintel.es X-MDaemon-Deliver-To: v6tc@ietf.org X-Spam-Checker-Version: SpamAssassin 2.64 (2004-01-11) on mail.consulintel.es X-Spam-Status: No, hits=-4.1 required=5.0 tests=BAYES_00,TO_ADDRESS_EQ_REAL autolearn=ham version=2.64 X-Spam-Processed: consulintel.es, Fri, 08 Apr 2005 21:49:34 +0200 X-MDAV-Processed: consulintel.es, Fri, 08 Apr 2005 21:49:36 +0200 X-Spam-Score: 0.0 (/) X-Scan-Signature: 6d95a152022472c7d6cdf886a0424dc6 Content-Transfer-Encoding: 7bit X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: jordi.palet@consulintel.es List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 2857c5c041d6c02d7181d602c22822c8 Content-Transfer-Encoding: 7bit Hi Alain, My comments below, in-line. Regards, Jordi > De: Alain Durand > Responder a: > Fecha: Fri, 8 Apr 2005 11:49:23 -0700 > Para: "v6tc@ietf.org" > Asunto: [v6tc] Let the market decide or not: L2TP and/or TSP > > BOF chair hat still on, I'm going to try to summarize the discussion so > far. > > - Time to market is critical. > - TSP & L2TP are the two natural candidates Or something better if we can make it quickly. > - The end point discovery is a difficult but orthogonal issue that > should not > clout the discussion on tunnel configuration. I'm not going to > address > it in this email. > > Back to TSP & L2TP. > > - L2TP is standardized, but a document explaining how to use it > in the IPv6 transition phase might be needed. > > - 3 issues have been raised with L2TP: > - large number of RTT. This is only on issue in low latency networks > such as 3G. If we are NOT looking for a combined solution for > fixed/wireless 3G > this is a non issue, if we are, this is a show stopper. > - Lack of a supported implementation of IPv6 over PPP on a very > critical OS. > IMHO, this is issue for the company that makes this OS, not for the > IETF... > ... on the other hand, time to market is critical. > - Lack of a complete non authenticated mode. > This needs to be investigate further, as it is not absolutely clear > to me > it can't be done. > > - Issues with TSP: > - not been through community review (i.e. no RFC to point to) > - re-opening TSP might sounds like duplicating L2TP The other issue with TSP that was commented was the unnecessary overhead because the usage of XML, this could be improved very easily, I guess. > > Now, here are the questions I would like this group to try to answer: > > 1) is a combined mechanism for fixed/wireless 3G network still > important? Somehow I could say yes, because we don't want to have in the small devices (such as cellular phones, both protocols, for example when they have both 3G and WLAN interfaces). But an alternative is a self adaptative protocol which is actually like both well integrated. > > 2) Is it the case that we have to define BOTH an L2TP based mechanism > AND TSP > with all the operational/implementation headaches of having to > support 2 things > in order to "let the market decide" or do people think we need one > and only one > mechanism? Yes, I will say so, if possible. But I'm still not excluding the option of something else. I mean, if we do it quickly, why not choose among L2TP, TSP or a new protocol which integrates the good things that we learned from several of the available protocols (I explained this in my first email on this thread). > > > Please focus your answers on those two questions. > > - Alain. > > > _______________________________________________ > v6tc mailing list > v6tc@ietf.org > https://www1.ietf.org/mailman/listinfo/v6tc ************************************ Barcelona 2005 Global IPv6 Summit Registration open. Information available at: http://www.ipv6-es.com This electronic message contains information which may be privileged or confidential. The information is intended to be for the use of the individual(s) named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information, including attached files, is prohibited. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 15:58:38 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA06212; Fri, 8 Apr 2005 15:58:38 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJzlb-0002sP-08; Fri, 08 Apr 2005 16:07:47 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJzSV-0007RN-G0; Fri, 08 Apr 2005 15:48:03 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJzST-0007R5-CK for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 15:48:01 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA02441 for ; Fri, 8 Apr 2005 15:47:59 -0400 (EDT) Received: from mail.consulintel.es ([213.172.48.142] helo=consulintel.es) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJzbG-00019o-PN for v6tc@ietf.org; Fri, 08 Apr 2005 15:57:08 -0400 Received: from [10.10.10.100] ([217.126.187.160]) by consulintel.es (consulintel.es [127.0.0.1]) (MDaemon.PRO.v7.2.3.R) with ESMTP id md50000904801.msg for ; Fri, 08 Apr 2005 21:49:21 +0200 User-Agent: Microsoft-Entourage/11.1.0.040913 Date: Fri, 08 Apr 2005 20:41:12 +0200 Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: JORDI PALET MARTINEZ To: "v6tc@ietf.org" Message-ID: In-Reply-To: <200504081742.j38Hg0aM013080@givry.rennes.enst-bretagne.fr> Mime-version: 1.0 Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit X-MDRemoteIP: 217.126.187.160 X-Return-Path: jordi.palet@consulintel.es X-MDaemon-Deliver-To: v6tc@ietf.org X-Spam-Checker-Version: SpamAssassin 2.64 (2004-01-11) on mail.consulintel.es X-Spam-Status: No, hits=-4.1 required=5.0 tests=BAYES_00,TO_ADDRESS_EQ_REAL autolearn=ham version=2.64 X-Spam-Processed: consulintel.es, Fri, 08 Apr 2005 21:49:33 +0200 X-MDAV-Processed: consulintel.es, Fri, 08 Apr 2005 21:49:34 +0200 X-Spam-Score: 0.0 (/) X-Scan-Signature: 7aafa0432175920a4b3e118e16c5cb64 Content-Transfer-Encoding: 7bit X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: jordi.palet@consulintel.es List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 0a7aa2e6e558383d84476dc338324fab Content-Transfer-Encoding: 7bit Hi Francis, Unfortunately not every day have time to investigate why I can't use L2TP VPNs, but it happens, that's the important issue. Probably they filter something ... I've even found situations where they were filtering L2TP, but proto-41 not (probably they do on purpose the L2TP filtering, for some reason that I can't see, but they aren't aware that some people could make use of proto-41, or they just don't care). Regards, Jordi > De: Francis Dupont > Responder a: > Fecha: Fri, 08 Apr 2005 19:42:00 +0200 > Para: > CC: "v6tc@ietf.org" > Asunto: Re: [v6tc] Re: Tunneling and Transition Drafts > > In your previous mail you wrote: > > My point regarding the lack of support of L2TP in more and more hotels and > hot spots, and that's why I think the encapsulation should be flexible. > > => Can you explain what is the problem? Filtering of some UDP ports? > Something else? > > I've also no idea about how much the 3G folks will like to implement L2TP. > > => ADSL folks have already L2TP: only new 3G folks could have a problem > with L2TP. > > Regards > > Francis.Dupont@enst-bretagne.fr > > PS: the real problem of L2TP is its overhead, but as I said at the IETF, > this makes it a good candidate for clever header compression... ************************************ Barcelona 2005 Global IPv6 Summit Registration open. Information available at: http://www.ipv6-es.com This electronic message contains information which may be privileged or confidential. The information is intended to be for the use of the individual(s) named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information, including attached files, is prohibited. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 16:06:41 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA08127; Fri, 8 Apr 2005 16:06:41 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJztN-0003kA-K1; Fri, 08 Apr 2005 16:15:50 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJzjb-0003Lx-W4; Fri, 08 Apr 2005 16:05:43 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DJzjb-0003Lo-Jw for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 16:05:43 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA08074 for ; Fri, 8 Apr 2005 16:05:42 -0400 (EDT) Received: from rtp-iport-1.cisco.com ([64.102.122.148]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DJzsP-0003d0-UY for v6tc@ietf.org; Fri, 08 Apr 2005 16:14:51 -0400 Received: from rtp-core-2.cisco.com (64.102.124.13) by rtp-iport-1.cisco.com with ESMTP; 08 Apr 2005 16:27:15 -0400 X-IronPort-AV: i="3.92,88,1112587200"; d="scan'208"; a="43747679:sNHT2243939162" Received: from fruitpie.cisco.com (IDENT:mirapoint@fruitpie.cisco.com [64.102.16.27]) by rtp-core-2.cisco.com (8.12.10/8.12.6) with ESMTP id j38K5FjI003979; Fri, 8 Apr 2005 16:05:25 -0400 (EDT) Received: from [10.83.1.101] (rtp-townsley-vpn4.cisco.com [10.83.1.101]) by fruitpie.cisco.com (MOS 3.4.6-GR) with SMTP id BGQ22899; Fri, 8 Apr 2005 13:05:13 -0700 (PDT) Message-ID: <4256E3F8.4040705@cisco.com> Date: Fri, 08 Apr 2005 16:05:12 -0400 From: "W. Mark Townsley" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7) Gecko/20040616 X-Accept-Language: en-us, en MIME-Version: 1.0 To: jordi.palet@consulintel.es Subject: Re: [v6tc] Let the market decide or not: L2TP and/or TSP References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Scan-Signature: d6b246023072368de71562c0ab503126 Content-Transfer-Encoding: 7bit Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 93238566e09e6e262849b4f805833007 Content-Transfer-Encoding: 7bit JORDI PALET MARTINEZ wrote: >>1) is a combined mechanism for fixed/wireless 3G network still >>important? > > > Somehow I could say yes, because we don't want to have in the small devices > (such as cellular phones, both protocols, for example when they have both 3G > and WLAN interfaces). > > But an alternative is a self adaptative protocol which is actually like both > well integrated. I think the clients would only really need to implement one type of protocol, though the servers would need to implement all. - Mark _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 17:18:29 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id RAA13207; Fri, 8 Apr 2005 17:18:28 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DK10s-0007DS-V8; Fri, 08 Apr 2005 17:27:39 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DK0pr-0004Rp-TJ; Fri, 08 Apr 2005 17:16:15 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DK0pq-0004RU-Cf for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 17:16:14 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id RAA13090 for ; Fri, 8 Apr 2005 17:16:12 -0400 (EDT) Received: from 213-136-24-43.adsl.bit.nl ([213.136.24.43] helo=purgatory.unfix.org ident=postfix) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DK0ye-00076J-O6 for v6tc@ietf.org; Fri, 08 Apr 2005 17:25:22 -0400 Received: from firenze.zurich.ibm.com (pat.zurich.ibm.com [195.176.20.45]) (using SSLv3 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by purgatory.unfix.org (Postfix) with ESMTP id B5CE28880; Fri, 8 Apr 2005 23:15:59 +0200 (CEST) Subject: l2tp support on OS's Re: [v6tc] Re: Tunneling and Transition Drafts From: Jeroen Massar To: "W. Mark Townsley" In-Reply-To: <4256D9D2.9070604@cisco.com> References: <200504081806.j38I6Z1M013207@givry.rennes.enst-bretagne.fr> <1112984642.1788.15.camel@firenze.zurich.ibm.com> <4256D9D2.9070604@cisco.com> Organization: Unfix Date: Fri, 08 Apr 2005 23:15:56 +0200 Message-Id: <1112994956.1788.37.camel@firenze.zurich.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.1.1 X-Spam-Score: 0.0 (/) X-Scan-Signature: d0bdc596f8dd1c226c458f0b4df27a88 Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2009918115==" Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: a2c12dacc0736f14d6b540e805505a86 --===============2009918115== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-xm4u+YiyxaSbM34t0rkW" --=-xm4u+YiyxaSbM34t0rkW Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Short summary first, what supports it: - Windows XP SP2 does not have it - Windows Longhorn will have it (they say), but out in 2007 or most likely later and then needs to be deployed and be fed to the users, who will stick with XP for some time anyway. - *BSD - Linux - Most CPE's (Cisco/Yahama/...) But Windows is a huge market for most ISP's... On Fri, 2005-04-08 at 15:21 -0400, W. Mark Townsley wrote: >=20 > Jeroen Massar wrote: > >=20 > > Nevertheless I'll put it somewhere on that big list, lets see how many = parties > > get canceled this week... >=20 > I think a decent GPL or free IPv6 PPP for Windows XP would be a service t= o the=20 > community in general. Please write one. Some other people convinced me and I actually was under the impression that L2TP would not work over NAT thus I need to make up for it. It also allows quite a number of scenarios to be solved more easily. I don't really like GPL but that is off topic for sure. Well the night reading is printed out ;) Let's make L2TP a viable option. > >>In the end, a lot of implementations may actually be CPEs rather than h= osts, in=20 > >>which case having the linux implementation helps. > >=20 > >=20 > > Linux supports it, but not too many people want to actually touch their= gear. > > and for most of those people Linux is still scary. >=20 > For a CPE? Linksys uses Linux. I know, but I meant the original image, as customers might still be holding back on using a non-vendor image. It would thus be really nice to have images that defaultly are IPv6 enabled, and I mean this for *all* the products that are available. The OpenWRT images, with which I flashed my box, indeed support IPv6 and getting a lt2p client/daemon on it should not be an issue indeed. Greets, Jeroen --=-xm4u+YiyxaSbM34t0rkW Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Jeroen Massar / http://unfix.org/~jeroen/ iD8DBQBCVvSMKaooUjM+fCMRAomYAJ4+5Teox8r/2RZyThsemiKkHm3PHwCeO8I7 nXj3M2YiqTBcWiABWZQkqr0= =jvWj -----END PGP SIGNATURE----- --=-xm4u+YiyxaSbM34t0rkW-- --===============2009918115== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc --===============2009918115==-- From v6tc-bounces@ietf.org Fri Apr 8 17:19:47 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id RAA13318; Fri, 8 Apr 2005 17:19:47 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DK128-0007Ez-EP; Fri, 08 Apr 2005 17:28:57 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DK0sQ-0004hs-Fo; Fri, 08 Apr 2005 17:18:54 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DK0sL-0004hV-7U for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 17:18:49 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id RAA13230 for ; Fri, 8 Apr 2005 17:18:47 -0400 (EDT) Received: from dsl093-039-075.pdx1.dsl.speakeasy.net ([66.93.39.75] helo=smtp-e.tycool.net) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DK119-0007De-Sy for v6tc@ietf.org; Fri, 08 Apr 2005 17:27:57 -0400 Received: from [192.168.1.2] (unknown [192.168.1.2]) by smtp-e.tycool.net (Postfix) with ESMTP id B7160EF; Fri, 8 Apr 2005 14:19:09 -0700 (PDT) In-Reply-To: <4256E3F8.4040705@cisco.com> References: <4256E3F8.4040705@cisco.com> Mime-Version: 1.0 (Apple Message framework v619.2) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: <7c52f421fc8234fc94e6f09f0f0a9b16@tycool.net> Content-Transfer-Encoding: 7bit From: Alain Durand Subject: Re: [v6tc] Let the market decide or not: L2TP and/or TSP Date: Fri, 8 Apr 2005 14:18:41 -0700 To: "W. Mark Townsley" X-Mailer: Apple Mail (2.619.2) X-Spam-Score: 0.0 (/) X-Scan-Signature: 798b2e660f1819ae38035ac1d8d5e3ab Content-Transfer-Encoding: 7bit Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 2409bba43e9c8d580670fda8b695204a Content-Transfer-Encoding: 7bit On Apr 8, 2005, at 1:05 PM, W. Mark Townsley wrote: > JORDI PALET MARTINEZ wrote: > >>> 1) is a combined mechanism for fixed/wireless 3G network still >>> important? >> Somehow I could say yes, because we don't want to have in the small >> devices >> (such as cellular phones, both protocols, for example when they have >> both 3G >> and WLAN interfaces). >> But an alternative is a self adaptative protocol which is actually >> like both >> well integrated. > > I think the clients would only really need to implement one type of > protocol, though the servers would need to implement all. What about dual mode handsets (3G & 802.11)? - Alain. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Fri Apr 8 20:01:17 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id UAA23410; Fri, 8 Apr 2005 20:01:17 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DK3YT-0005my-5Q; Fri, 08 Apr 2005 20:10:30 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DK3PJ-0007Fy-MU; Fri, 08 Apr 2005 20:01:01 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DK3PH-0007Fd-N2 for v6tc@megatron.ietf.org; Fri, 08 Apr 2005 20:01:00 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id UAA23405 for ; Fri, 8 Apr 2005 20:00:56 -0400 (EDT) Received: from netcore.fi ([193.94.160.1]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DK3Y7-0005m6-PN for v6tc@ietf.org; Fri, 08 Apr 2005 20:10:09 -0400 Received: from localhost (pekkas@localhost) by netcore.fi (8.11.6/8.11.6) with ESMTP id j3900dc17966; Sat, 9 Apr 2005 03:00:39 +0300 Date: Sat, 9 Apr 2005 03:00:39 +0300 (EEST) From: Pekka Savola To: Alain Durand Subject: Re: [v6tc] Let the market decide or not: L2TP and/or TSP In-Reply-To: <2ebbfb91d40e6f9790ef7c1db0abc78e@tycool.net> Message-ID: References: <200504081806.j38I6Z1M013207@givry.rennes.enst-bretagne.fr> <1112984642.1788.15.camel@firenze.zurich.ibm.com> <2ebbfb91d40e6f9790ef7c1db0abc78e@tycool.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Score: 0.0 (/) X-Scan-Signature: 8abaac9e10c826e8252866cbe6766464 Cc: v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 39bd8f8cbb76cae18b7e23f7cf6b2b9f On Fri, 8 Apr 2005, Alain Durand wrote: > 1) is a combined mechanism for fixed/wireless 3G network still important? I still believe so, yes. > 2) Is it the case that we have to define BOTH an L2TP based mechanism AND TSP > with all the operational/implementation headaches of having to support 2 > things > in order to "let the market decide" or do people think we need one and > only one > mechanism? L2TP seems sufficient. Or if the ISP is worried about Windows clients, it can always run Teredo in tunnel server mode (provided that a reasonable server implementation exists), as that client is already supported and deployed. ... Of course, I think it would probably be a good idea for the TSP authors to submit the draft as informational through RFC-editor to document the protocol, but IMHO if we're just looking at TSP, L2TP and "cleaned up TSP", I don't think it makes sense to spend energy in spinning up a WG in cleaning up TSP. IMHO, with an informational spec and deployed code, the market can already decide between the two if it comes to that. -- Pekka Savola "You each name yourselves king, yet the Netcore Oy kingdom bleeds." Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Sat Apr 9 05:31:24 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA21715; Sat, 9 Apr 2005 05:31:24 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKCSG-0006FI-Jf; Sat, 09 Apr 2005 05:40:40 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKCHn-0004D5-CG; Sat, 09 Apr 2005 05:29:51 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKCHl-0004Al-By for v6tc@megatron.ietf.org; Sat, 09 Apr 2005 05:29:49 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA21667 for ; Sat, 9 Apr 2005 05:29:47 -0400 (EDT) Received: from laposte.rennes.enst-bretagne.fr ([192.44.77.17]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKCQh-000684-3n for v6tc@ietf.org; Sat, 09 Apr 2005 05:39:03 -0400 Received: from givry.rennes.enst-bretagne.fr (givry.rennes.enst-bretagne.fr [193.52.74.194]) by laposte.rennes.enst-bretagne.fr (8.11.6p2/8.11.6/2003.04.01) with ESMTP id j399TTg22483; Sat, 9 Apr 2005 11:29:29 +0200 Received: from givry.rennes.enst-bretagne.fr (localhost.rennes.enst-bretagne.fr [127.0.0.1]) by givry.rennes.enst-bretagne.fr (8.13.1/8.13.1) with ESMTP id j399TT8h017348; Sat, 9 Apr 2005 11:29:29 +0200 (CEST) (envelope-from dupont@givry.rennes.enst-bretagne.fr) Message-Id: <200504090929.j399TT8h017348@givry.rennes.enst-bretagne.fr> From: Francis Dupont To: Alain Durand Subject: Re: [v6tc] Let the market decide or not: L2TP and/or TSP In-reply-to: Your message of Fri, 08 Apr 2005 11:49:23 PDT. <2ebbfb91d40e6f9790ef7c1db0abc78e@tycool.net> Date: Sat, 09 Apr 2005 11:29:29 +0200 X-Virus-Scanned: by amavisd-milter (http://amavis.org/) at enst-bretagne.fr X-Spam-Score: 0.0 (/) X-Scan-Signature: 8abaac9e10c826e8252866cbe6766464 Cc: v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 39bd8f8cbb76cae18b7e23f7cf6b2b9f In your previous mail you wrote: L2TP: - Lack of a complete non authenticated mode. => this is not true but L2TP security is a bit complex. I'll try to summarize it here for L2TP v2 over an IPv4 network: * the basic way to use L2TP is over UDP, i.e., with IPv4 - UDP - L2TP - PPP - IPv6 - etc * the highest security is provided by IPsec ESP in transport mode: IPv4 - ESP - UDP - L2TP - PPP - IPv6 - etc * as the previous solution kill the NAT traversal, it is possible to use IPsec in NAT traversal with L2TP directly over IP: IPv4 - UDP - ESP - L2TP - PPP - IPv6 - etc * without IPsec which can be too hard to use (no anonymous tunnel with it), L2TP can be protected using a shared secret (shared between the server and its clients) and a CHAP-like mechanism. The idea is to protect the L2TP control against unauthenticated access. * PPP itself can (should!) be protected using PAP, CHAP, ..., and things like MPPE. Perhaps not very good from the security point of view but easy to use and often already deployed. * last point: most L2TP servers can be configured in function of the client addresses so it is possible to use a fully unauthenticated L2TP in a closed (by anyway) network. BTW the IPsec solutions are a special case of this. Regards Francis.Dupont@enst-bretagne.fr PS: in conclusion there is a complete non authenticated mode in L2TP but as one should expect it must not be used in an open network... _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Sat Apr 9 05:40:06 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA22117; Sat, 9 Apr 2005 05:40:06 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKCag-0006dZ-NJ; Sat, 09 Apr 2005 05:49:22 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKCRJ-0005nT-UF; Sat, 09 Apr 2005 05:39:41 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKCRF-0005nI-Dw for v6tc@megatron.ietf.org; Sat, 09 Apr 2005 05:39:37 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA22073 for ; Sat, 9 Apr 2005 05:39:35 -0400 (EDT) Received: from mail.consulintel.es ([213.172.48.142] helo=consulintel.es) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKCaB-0006cv-Ix for v6tc@ietf.org; Sat, 09 Apr 2005 05:48:52 -0400 Received: from [10.10.10.100] ([217.126.187.160]) by consulintel.es (consulintel.es [127.0.0.1]) (MDaemon.PRO.v7.2.3.R) with ESMTP id md50000905936.msg for ; Sat, 09 Apr 2005 11:42:27 +0200 User-Agent: Microsoft-Entourage/11.1.0.040913 Date: Sat, 09 Apr 2005 11:39:02 +0200 Subject: Re: l2tp support on OS's Re: [v6tc] Re: Tunneling and Transition Drafts From: JORDI PALET MARTINEZ To: "v6tc@ietf.org" Message-ID: In-Reply-To: <1112994956.1788.37.camel@firenze.zurich.ibm.com> Mime-version: 1.0 Content-type: text/plain; charset="ISO-8859-1" Content-transfer-encoding: quoted-printable X-MDRemoteIP: 217.126.187.160 X-Return-Path: jordi.palet@consulintel.es X-MDaemon-Deliver-To: v6tc@ietf.org X-Spam-Checker-Version: SpamAssassin 2.64 (2004-01-11) on mail.consulintel.es X-Spam-Status: No, hits=-4.1 required=5.0 tests=BAYES_00,TO_ADDRESS_EQ_REAL autolearn=ham version=2.64 X-Spam-Processed: consulintel.es, Sat, 09 Apr 2005 11:42:30 +0200 X-MDAV-Processed: consulintel.es, Sat, 09 Apr 2005 11:42:48 +0200 X-Spam-Score: 0.0 (/) X-Scan-Signature: 10ba05e7e8a9aa6adb025f426bef3a30 Content-Transfer-Encoding: quoted-printable X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: jordi.palet@consulintel.es List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: a2c12dacc0736f14d6b540e805505a86 Content-Transfer-Encoding: quoted-printable I guess you forget: 1) Cellular phones, I don't think none of them support or even has plans for L2TP. 2) Lots of low cost CPEs. Both of this options represent also a big market share. Regards, Jordi > De: Jeroen Massar > Organizaci=F3n: Unfix > Responder a: > Fecha: Fri, 08 Apr 2005 23:15:56 +0200 > Para: "W. Mark Townsley" > CC: "v6tc@ietf.org" > Asunto: l2tp support on OS's Re: [v6tc] Re: Tunneling and Transition Drafts >=20 > Short summary first, what supports it: > - Windows XP SP2 does not have it > - Windows Longhorn will have it (they say), > but out in 2007 or most likely later and then needs to be deployed > and be fed to the users, who will stick with XP for some time anyway. > - *BSD > - Linux > - Most CPE's (Cisco/Yahama/...) >=20 > But Windows is a huge market for most ISP's... >=20 > On Fri, 2005-04-08 at 15:21 -0400, W. Mark Townsley wrote: >>=20 >> Jeroen Massar wrote: >>>=20 >>> Nevertheless I'll put it somewhere on that big list, lets see how many >>> parties >>> get canceled this week... >>=20 >> I think a decent GPL or free IPv6 PPP for Windows XP would be a service to >> the=20 >> community in general. Please write one. >=20 > Some other people convinced me and I actually was under the impression > that L2TP would not work over NAT thus I need to make up for it. It also > allows quite a number of scenarios to be solved more easily. > I don't really like GPL but that is off topic for sure. Well the night > reading is printed out ;) Let's make L2TP a viable option. >=20 >>>> In the end, a lot of implementations may actually be CPEs rather than >>>> hosts, in=20 >>>> which case having the linux implementation helps. >>>=20 >>>=20 >>> Linux supports it, but not too many people want to actually touch their >>> gear. >>> and for most of those people Linux is still scary. >>=20 >> For a CPE? Linksys uses Linux. >=20 > I know, but I meant the original image, as customers might still be > holding back on using a non-vendor image. It would thus be really nice > to have images that defaultly are IPv6 enabled, and I mean this for > *all* the products that are available. >=20 > The OpenWRT images, with which I flashed my box, indeed support IPv6 and > getting a lt2p client/daemon on it should not be an issue indeed. >=20 > Greets, > Jeroen >=20 > _______________________________________________ > v6tc mailing list > v6tc@ietf.org > https://www1.ietf.org/mailman/listinfo/v6tc ************************************ Barcelona 2005 Global IPv6 Summit Registration open. Information available at: http://www.ipv6-es.com This electronic message contains information which may be privileged or confidential. The information is intended to be for the use of the individual(s) named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information, including attached files, is prohibited. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Sat Apr 9 06:54:27 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA26077; Sat, 9 Apr 2005 06:54:27 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKDkd-0001a2-KZ; Sat, 09 Apr 2005 07:03:44 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKDaU-000434-43; Sat, 09 Apr 2005 06:53:14 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKDZt-00040l-8o for v6tc@megatron.ietf.org; Sat, 09 Apr 2005 06:52:37 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA25924 for ; Sat, 9 Apr 2005 06:52:34 -0400 (EDT) Received: from 213-136-24-43.adsl.bit.nl ([213.136.24.43] helo=purgatory.unfix.org ident=postfix) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKDip-0001SG-Lo for v6tc@ietf.org; Sat, 09 Apr 2005 07:01:52 -0400 Received: from firenze.zurich.ibm.com (pat.zurich.ibm.com [195.176.20.45]) (using SSLv3 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by purgatory.unfix.org (Postfix) with ESMTP id 290688880; Sat, 9 Apr 2005 12:52:29 +0200 (CEST) Subject: Re: l2tp support on OS's Re: [v6tc] Re: Tunneling and Transition Drafts From: Jeroen Massar To: jordi.palet@consulintel.es In-Reply-To: References: Organization: Unfix Date: Sat, 09 Apr 2005 12:52:27 +0200 Message-Id: <1113043947.4578.14.camel@firenze.zurich.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.1.1 X-Spam-Score: 0.0 (/) X-Scan-Signature: 7aafa0432175920a4b3e118e16c5cb64 Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2072536660==" Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 00e94c813bef7832af255170dca19e36 --===============2072536660== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-mahbOJoP3L0jofVDcud5" --=-mahbOJoP3L0jofVDcud5 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Sat, 2005-04-09 at 11:39 +0200, JORDI PALET MARTINEZ wrote: > I guess you forget: > 1) Cellular phones, I don't think none of them support or even has plans = for > L2TP. > 2) Lots of low cost CPEs. >=20 > Both of this options represent also a big market share. Too bad for the phone guys, they should then start hiring some real folks or giving out free phones + a lot of minutes so people can implement it for them. Not evening thinking of an SDK ;) And be honest, you really are ssh'ing into boxes using a cellphone? For that matter, I am already getting annoyed when the connectivity is under 5mbit and I guess there are a lot of people doing that. For that matter, I have seen people dialing into an ISP using their cell phone as a modem, but never seen them *use* IPv6 using the thing. The phones that get used for these toys, have some spicky new thing, which costs a lot of money, which requires a lot of new hardware, which also costs a lot of money, thus let the phone people implement native IPv6. Greets, Jeroen PS: I think I can claim that the code runs, that is without CHAP auth and no GUI etc yet, but that is not that hard to add. Though only tested against l2tpd.org (which dns entry is removed from the DNS servers it seems) LT2Pv2 implementation. No Cisco or other devices around to test it against... --=-mahbOJoP3L0jofVDcud5 Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Jeroen Massar / http://unfix.org/~jeroen/ iD8DBQBCV7PrKaooUjM+fCMRAr0iAKC3yghu2PnNUCyZqRrcAoQzp9iPQACfT+aQ HazsySl4l7mqr2OCckTE5m0= =LuU6 -----END PGP SIGNATURE----- --=-mahbOJoP3L0jofVDcud5-- --===============2072536660== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc --===============2072536660==-- From v6tc-bounces@ietf.org Sat Apr 9 07:43:58 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA00149; Sat, 9 Apr 2005 07:43:58 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKEWY-0003ie-Ep; Sat, 09 Apr 2005 07:53:14 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKEMo-0005e1-04; Sat, 09 Apr 2005 07:43:10 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKEMm-0005dw-14 for v6tc@megatron.ietf.org; Sat, 09 Apr 2005 07:43:08 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA00102 for ; Sat, 9 Apr 2005 07:43:07 -0400 (EDT) Received: from rtp-iport-1.cisco.com ([64.102.122.148]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKEVi-0003iA-II for v6tc@ietf.org; Sat, 09 Apr 2005 07:52:23 -0400 Received: from rtp-core-2.cisco.com (64.102.124.13) by rtp-iport-1.cisco.com with ESMTP; 09 Apr 2005 08:04:43 -0400 X-IronPort-AV: i="3.92,90,1112587200"; d="scan'208"; a="43803954:sNHT13375560516" Received: from fruitpie.cisco.com (IDENT:mirapoint@fruitpie.cisco.com [64.102.16.27]) by rtp-core-2.cisco.com (8.12.10/8.12.6) with ESMTP id j39BgojI015813; Sat, 9 Apr 2005 07:42:50 -0400 (EDT) Received: from [10.83.1.101] (rtp-townsley-vpn4.cisco.com [10.83.1.101]) by fruitpie.cisco.com (MOS 3.4.6-GR) with SMTP id BGQ39532; Sat, 9 Apr 2005 04:42:47 -0700 (PDT) Message-ID: <4257BFB6.6050708@cisco.com> Date: Sat, 09 Apr 2005 07:42:46 -0400 From: "W. Mark Townsley" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7) Gecko/20040616 X-Accept-Language: en-us, en MIME-Version: 1.0 To: jordi.palet@consulintel.es Subject: Re: l2tp support on OS's Re: [v6tc] Re: Tunneling and Transition Drafts References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed X-Spam-Score: 0.0 (/) X-Scan-Signature: 67c1ea29f88502ef6a32ccec927970f0 Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by ietf.org id HAA00102 Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: f49c97ce49302a02285a2d36a99eef8c Content-Transfer-Encoding: quoted-printable JORDI PALET MARTINEZ wrote: > I guess you forget: > 1) Cellular phones, I don't think none of them support or even has plan= s for > L2TP. Yes, from what I have seen this is probably quite true. > 2) Lots of low cost CPEs. I have seen low cost linksys CPEs running IPv6/PPP/L2TP. I can't imagine = it is=20 too difficult for others. >=20 > Both of this options represent also a big market share. Certainly. Big enough perhaps that each can support their own tunneling p= rotocol. Given the different characteristics of the underlying network, variant pl= atform=20 geneology, as well as intended application, usage and necessary time-fram= e, I=20 have wonder if there is a lot to be gained from trying to force a single=20 one-size-fits-all protocol here. - Mark >=20 > Regards, > Jordi >=20 >=20 >=20 >=20 >=20 >>De: Jeroen Massar >>Organizaci=F3n: Unfix >>Responder a: >>Fecha: Fri, 08 Apr 2005 23:15:56 +0200 >>Para: "W. Mark Townsley" >>CC: "v6tc@ietf.org" >>Asunto: l2tp support on OS's Re: [v6tc] Re: Tunneling and Transition Dr= afts >> >>Short summary first, what supports it: >> - Windows XP SP2 does not have it >> - Windows Longhorn will have it (they say), >> but out in 2007 or most likely later and then needs to be deployed >> and be fed to the users, who will stick with XP for some time anyway. >> - *BSD >> - Linux >> - Most CPE's (Cisco/Yahama/...) >> >>But Windows is a huge market for most ISP's... >> >>On Fri, 2005-04-08 at 15:21 -0400, W. Mark Townsley wrote: >> >>>Jeroen Massar wrote: >>> >>>>Nevertheless I'll put it somewhere on that big list, lets see how man= y >>>>parties >>>>get canceled this week... >>> >>>I think a decent GPL or free IPv6 PPP for Windows XP would be a servic= e to >>>the=20 >>>community in general. Please write one. >> >>Some other people convinced me and I actually was under the impression >>that L2TP would not work over NAT thus I need to make up for it. It als= o >>allows quite a number of scenarios to be solved more easily. >>I don't really like GPL but that is off topic for sure. Well the night >>reading is printed out ;) Let's make L2TP a viable option. >> >> >>>>>In the end, a lot of implementations may actually be CPEs rather tha= n >>>>>hosts, in=20 >>>>>which case having the linux implementation helps. >>>> >>>> >>>>Linux supports it, but not too many people want to actually touch the= ir >>>>gear. >>>>and for most of those people Linux is still scary. >>> >>>For a CPE? Linksys uses Linux. >> >>I know, but I meant the original image, as customers might still be >>holding back on using a non-vendor image. It would thus be really nice >>to have images that defaultly are IPv6 enabled, and I mean this for >>*all* the products that are available. >> >>The OpenWRT images, with which I flashed my box, indeed support IPv6 an= d >>getting a lt2p client/daemon on it should not be an issue indeed. >> >>Greets, >> Jeroen >> >>_______________________________________________ >>v6tc mailing list >>v6tc@ietf.org >>https://www1.ietf.org/mailman/listinfo/v6tc >=20 >=20 >=20 >=20 >=20 > ************************************ > Barcelona 2005 Global IPv6 Summit > Registration open. Information available at: > http://www.ipv6-es.com >=20 > This electronic message contains information which may be privileged or= confidential. The information is intended to be for the use of the indiv= idual(s) named above. If you are not the intended recipient be aware that= any disclosure, copying, distribution or use of the contents of this inf= ormation, including attached files, is prohibited. >=20 >=20 >=20 >=20 > _______________________________________________ > v6tc mailing list > v6tc@ietf.org > https://www1.ietf.org/mailman/listinfo/v6tc >=20 _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Sat Apr 9 09:26:15 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id JAA06731; Sat, 9 Apr 2005 09:26:15 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKG7Z-0000C4-Eu; Sat, 09 Apr 2005 09:35:33 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKFyG-0002MD-Hw; Sat, 09 Apr 2005 09:25:56 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKFyE-0002M5-Mq for v6tc@megatron.ietf.org; Sat, 09 Apr 2005 09:25:54 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id JAA06709 for ; Sat, 9 Apr 2005 09:25:53 -0400 (EDT) Received: from laposte.rennes.enst-bretagne.fr ([192.44.77.17]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKG7B-0000BS-W7 for v6tc@ietf.org; Sat, 09 Apr 2005 09:35:11 -0400 Received: from givry.rennes.enst-bretagne.fr (givry.rennes.enst-bretagne.fr [193.52.74.194]) by laposte.rennes.enst-bretagne.fr (8.11.6p2/8.11.6/2003.04.01) with ESMTP id j39DPZg31496; Sat, 9 Apr 2005 15:25:35 +0200 Received: from givry.rennes.enst-bretagne.fr (localhost.rennes.enst-bretagne.fr [127.0.0.1]) by givry.rennes.enst-bretagne.fr (8.13.1/8.13.1) with ESMTP id j39DPZVb018476; Sat, 9 Apr 2005 15:25:35 +0200 (CEST) (envelope-from dupont@givry.rennes.enst-bretagne.fr) Message-Id: <200504091325.j39DPZVb018476@givry.rennes.enst-bretagne.fr> From: Francis Dupont To: jordi.palet@consulintel.es Subject: Re: l2tp support on OS's Re: [v6tc] Re: Tunneling and Transition Drafts In-reply-to: Your message of Sat, 09 Apr 2005 11:39:02 +0200. Date: Sat, 09 Apr 2005 15:25:35 +0200 X-Virus-Scanned: by amavisd-milter (http://amavis.org/) at enst-bretagne.fr X-Spam-Score: 0.0 (/) X-Scan-Signature: 93238566e09e6e262849b4f805833007 Cc: "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 9466e0365fc95844abaf7c3f15a05c7d In your previous mail you wrote: I guess you forget: 1) Cellular phones, I don't think none of them support or even has plans for L2TP. => I disagree: L2TP will be heavily used in this context, not for its ability to run over nearly anything, but for its primary function: extend PPP / move PPP endpoints. 2) Lots of low cost CPEs. => I can see exactly the opposite, for instance L2TP is supported by the last code on Linksys WRT54G/GS which is the cannonical example of low cost CPEs. Both of this options represent also a big market share. => L2TP is like PPPoE, a natural and common variation over PPP. I'd like IPv6 will be the same for IPv4... Regards Francis.Dupont@enst-bretagne.fr _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Sat Apr 9 11:54:29 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id LAA16581; Sat, 9 Apr 2005 11:54:29 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKIR3-0007AB-AG; Sat, 09 Apr 2005 12:03:49 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKIHW-0001nm-Se; Sat, 09 Apr 2005 11:53:58 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKIHU-0001ms-Sr for v6tc@megatron.ietf.org; Sat, 09 Apr 2005 11:53:56 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id LAA16534 for ; Sat, 9 Apr 2005 11:53:54 -0400 (EDT) Received: from mail.consulintel.es ([213.172.48.142] helo=consulintel.es) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKIQR-00073z-Sx for v6tc@ietf.org; Sat, 09 Apr 2005 12:03:14 -0400 Received: from [10.10.10.100] ([217.126.187.160]) by consulintel.es (consulintel.es [127.0.0.1]) (MDaemon.PRO.v7.2.3.R) with ESMTP id md50000906069.msg for ; Sat, 09 Apr 2005 17:56:40 +0200 User-Agent: Microsoft-Entourage/11.1.0.040913 Date: Sat, 09 Apr 2005 17:53:10 +0200 Subject: Re: l2tp support on OS's Re: [v6tc] Re: Tunneling and Transition Drafts From: JORDI PALET MARTINEZ To: "v6tc@ietf.org" Message-ID: In-Reply-To: <4257BFB6.6050708@cisco.com> Mime-version: 1.0 Content-type: text/plain; charset="ISO-8859-1" Content-transfer-encoding: quoted-printable X-MDRemoteIP: 217.126.187.160 X-Return-Path: jordi.palet@consulintel.es X-MDaemon-Deliver-To: v6tc@ietf.org X-Spam-Checker-Version: SpamAssassin 2.64 (2004-01-11) on mail.consulintel.es X-Spam-Status: No, hits=-4.1 required=5.0 tests=BAYES_00,TO_ADDRESS_EQ_REAL autolearn=ham version=2.64 X-Spam-Processed: consulintel.es, Sat, 09 Apr 2005 17:56:59 +0200 X-MDAV-Processed: consulintel.es, Sat, 09 Apr 2005 17:57:02 +0200 X-Spam-Score: 0.0 (/) X-Scan-Signature: 1449ead51a2ff026dcb23465f5379250 Content-Transfer-Encoding: quoted-printable X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: jordi.palet@consulintel.es List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 848ed35f2a4fc0638fa89629cb640f48 Content-Transfer-Encoding: quoted-printable Agree that should not be so difficult for others, but is a question of what is available in real life. Is like asking why the default Linksys image doesn't include IPv6 ;-) The advantage of one-fits-for-all, in my point of view is two very important fold: 1) Making easier for vendors to have a single choice, and consequently making easier and more successful the interoperability. 2) Making easier for users and ISPs to have IPv6, when native is not possible, in transparent way, as much as possible. The results is to help the deployment of IPv6, in the medium-long term (2-3 years), and consequently the development of new and more advanced apps. Regards, Jordi > De: "W. Mark Townsley" > Responder a: > Fecha: Sat, 09 Apr 2005 07:42:46 -0400 > Para: > CC: "v6tc@ietf.org" > Asunto: Re: l2tp support on OS's Re: [v6tc] Re: Tunneling and Transition > Drafts >=20 >=20 >=20 > JORDI PALET MARTINEZ wrote: >=20 >> I guess you forget: >> 1) Cellular phones, I don't think none of them support or even has plans for >> L2TP. >=20 > Yes, from what I have seen this is probably quite true. >=20 >> 2) Lots of low cost CPEs. >=20 > I have seen low cost linksys CPEs running IPv6/PPP/L2TP. I can't imagine it is > too difficult for others. >=20 >>=20 >> Both of this options represent also a big market share. >=20 > Certainly. Big enough perhaps that each can support their own tunneling > protocol. >=20 > Given the different characteristics of the underlying network, variant > platform=20 > geneology, as well as intended application, usage and necessary time-frame, I > have wonder if there is a lot to be gained from trying to force a single > one-size-fits-all protocol here. >=20 > - Mark >=20 >>=20 >> Regards, >> Jordi >>=20 >>=20 >>=20 >>=20 >>=20 >>> De: Jeroen Massar >>> Organizaci=F3n: Unfix >>> Responder a: >>> Fecha: Fri, 08 Apr 2005 23:15:56 +0200 >>> Para: "W. Mark Townsley" >>> CC: "v6tc@ietf.org" >>> Asunto: l2tp support on OS's Re: [v6tc] Re: Tunneling and Transition Drafts >>>=20 >>> Short summary first, what supports it: >>> - Windows XP SP2 does not have it >>> - Windows Longhorn will have it (they say), >>> but out in 2007 or most likely later and then needs to be deployed >>> and be fed to the users, who will stick with XP for some time anyway. >>> - *BSD >>> - Linux >>> - Most CPE's (Cisco/Yahama/...) >>>=20 >>> But Windows is a huge market for most ISP's... >>>=20 >>> On Fri, 2005-04-08 at 15:21 -0400, W. Mark Townsley wrote: >>>=20 >>>> Jeroen Massar wrote: >>>>=20 >>>>> Nevertheless I'll put it somewhere on that big list, lets see how many >>>>> parties >>>>> get canceled this week... >>>>=20 >>>> I think a decent GPL or free IPv6 PPP for Windows XP would be a service to >>>> the=20 >>>> community in general. Please write one. >>>=20 >>> Some other people convinced me and I actually was under the impression >>> that L2TP would not work over NAT thus I need to make up for it. It also >>> allows quite a number of scenarios to be solved more easily. >>> I don't really like GPL but that is off topic for sure. Well the night >>> reading is printed out ;) Let's make L2TP a viable option. >>>=20 >>>=20 >>>>>> In the end, a lot of implementations may actually be CPEs rather than >>>>>> hosts, in=20 >>>>>> which case having the linux implementation helps. >>>>>=20 >>>>>=20 >>>>> Linux supports it, but not too many people want to actually touch their >>>>> gear. >>>>> and for most of those people Linux is still scary. >>>>=20 >>>> For a CPE? Linksys uses Linux. >>>=20 >>> I know, but I meant the original image, as customers might still be >>> holding back on using a non-vendor image. It would thus be really nice >>> to have images that defaultly are IPv6 enabled, and I mean this for >>> *all* the products that are available. >>>=20 >>> The OpenWRT images, with which I flashed my box, indeed support IPv6 and >>> getting a lt2p client/daemon on it should not be an issue indeed. >>>=20 >>> Greets, >>> Jeroen >>>=20 >>> _______________________________________________ >>> v6tc mailing list >>> v6tc@ietf.org >>> https://www1.ietf.org/mailman/listinfo/v6tc >>=20 >>=20 >>=20 >>=20 >>=20 >> ************************************ >> Barcelona 2005 Global IPv6 Summit >> Registration open. Information available at: >> http://www.ipv6-es.com >>=20 >> This electronic message contains information which may be privileged or >> confidential. The information is intended to be for the use of the >> individual(s) named above. If you are not the intended recipient be aware >> that any disclosure, copying, distribution or use of the contents of this >> information, including attached files, is prohibited. >>=20 >>=20 >>=20 >>=20 >> _______________________________________________ >> v6tc mailing list >> v6tc@ietf.org >> https://www1.ietf.org/mailman/listinfo/v6tc >>=20 ************************************ Barcelona 2005 Global IPv6 Summit Registration open. Information available at: http://www.ipv6-es.com This electronic message contains information which may be privileged or confidential. The information is intended to be for the use of the individual(s) named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information, including attached files, is prohibited. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Mon Apr 11 06:26:45 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA29435; Mon, 11 Apr 2005 06:26:45 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKwHN-0003HQ-7R; Mon, 11 Apr 2005 06:36:29 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKw1Z-0006Yu-KC; Mon, 11 Apr 2005 06:20:09 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKw1Y-0006XE-6m for v6tc@megatron.ietf.org; Mon, 11 Apr 2005 06:20:08 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA28973 for ; Mon, 11 Apr 2005 06:19:57 -0400 (EDT) Received: from mail1.renater.fr ([193.49.159.8]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKwAl-00039J-AQ for v6tc@ietf.org; Mon, 11 Apr 2005 06:29:40 -0400 Received: from [193.49.159.162] (helo=[193.49.159.162]) by mail1.renater.fr with esmtp (Exim 4.50) id 1DKw11-0004qG-J1; Mon, 11 Apr 2005 12:19:36 +0200 Message-ID: <425A4F43.50801@renater.fr> Date: Mon, 11 Apr 2005 12:19:47 +0200 From: Jerome Durand User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.3) Gecko/20040910 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Pekka Savola Subject: Re: [v6tc] Let the market decide or not: L2TP and/or TSP References: <200504081806.j38I6Z1M013207@givry.rennes.enst-bretagne.fr> <1112984642.1788.15.camel@firenze.zurich.ibm.com> <2ebbfb91d40e6f9790ef7c1db0abc78e@tycool.net> In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "mail1.renater.fr", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see postmaster@renater.fr for details. Content preview: > Or if the ISP is worried about Windows clients, > it can always run Teredo in tunnel server mode (provided that a > reasonable server implementation exists), as that client is already > supported and deployed. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- X-Spam-Score: 0.0 (/) X-Scan-Signature: 30ac594df0e66ffa5a93eb4c48bcb014 Content-Transfer-Encoding: 7bit Cc: v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 1ac7cc0a4cd376402b85bc1961a86ac2 Content-Transfer-Encoding: 7bit > Or if the ISP is worried about Windows clients, > it can always run Teredo in tunnel server mode (provided that a > reasonable server implementation exists), as that client is already > supported and deployed. Short comment: and ISP needs manageable solutions, and TEREDO doesn't look like this. (same for 6to4 BTW). Jerome _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Mon Apr 11 06:33:28 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA29922; Mon, 11 Apr 2005 06:33:28 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKwNr-0003Sa-O7; Mon, 11 Apr 2005 06:43:11 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKwAo-0007IX-LP; Mon, 11 Apr 2005 06:29:42 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DKwAo-0007IC-5U for v6tc@megatron.ietf.org; Mon, 11 Apr 2005 06:29:42 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA29563 for ; Mon, 11 Apr 2005 06:29:31 -0400 (EDT) Received: from mail1.renater.fr ([193.49.159.8]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DKwK1-0003Km-Gz for v6tc@ietf.org; Mon, 11 Apr 2005 06:39:14 -0400 Received: from [193.49.159.162] (helo=[193.49.159.162]) by mail1.renater.fr with esmtp (Exim 4.50) id 1DKwAE-0004tl-1U; Mon, 11 Apr 2005 12:29:07 +0200 Message-ID: <425A517C.9070904@renater.fr> Date: Mon, 11 Apr 2005 12:29:16 +0200 From: Jerome Durand User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.3) Gecko/20040910 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Pekka Savola Subject: Re: [v6tc] Let the market decide or not: L2TP and/or TSP References: <200504081806.j38I6Z1M013207@givry.rennes.enst-bretagne.fr> <1112984642.1788.15.camel@firenze.zurich.ibm.com> <2ebbfb91d40e6f9790ef7c1db0abc78e@tycool.net> In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "mail1.renater.fr", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see postmaster@renater.fr for details. Content preview: > IMHO, with an informational spec and deployed code, the market can > already decide between the two if it comes to that. I am not sure I understand the goal of "Informational" here if there are implementations behind? Shouldn't it be PS? I agree with this "let market decide" stuff, sounds good, as this is always what happens anyway ;) [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- X-Spam-Score: 0.0 (/) X-Scan-Signature: 08e48e05374109708c00c6208b534009 Content-Transfer-Encoding: 7bit Cc: v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 7a6398bf8aaeabc7a7bb696b6b0a2aad Content-Transfer-Encoding: 7bit > IMHO, with an informational spec and deployed code, the market can > already decide between the two if it comes to that. I am not sure I understand the goal of "Informational" here if there are implementations behind? Shouldn't it be PS? I agree with this "let market decide" stuff, sounds good, as this is always what happens anyway ;) Jerome _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Tue Apr 12 10:33:05 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id KAA04501; Tue, 12 Apr 2005 10:33:04 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLMbW-0002Sy-EX; Tue, 12 Apr 2005 10:43:02 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLMQ4-000207-Bm; Tue, 12 Apr 2005 10:31:12 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLMQ2-0001zh-82 for v6tc@megatron.ietf.org; Tue, 12 Apr 2005 10:31:10 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id KAA04329 for ; Tue, 12 Apr 2005 10:31:07 -0400 (EDT) Received: from raven.ecs.soton.ac.uk ([152.78.70.1]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLMZb-0002Nw-NL for v6tc@ietf.org; Tue, 12 Apr 2005 10:41:05 -0400 Received: from magpie.ecs.soton.ac.uk (magpie.ecs.soton.ac.uk [152.78.68.131]) by raven.ecs.soton.ac.uk (8.12.10/8.12.10) with ESMTP id j3CEV0i3007331; Tue, 12 Apr 2005 15:31:00 +0100 (BST) Received: from login.ecs.soton.ac.uk (IDENT:root@login [152.78.68.162]) by magpie.ecs.soton.ac.uk (8.9.3/8.9.3) with ESMTP id PAA11842; Tue, 12 Apr 2005 15:30:54 +0100 (BST) Received: (from tjc@localhost) by login.ecs.soton.ac.uk (8.11.6/8.11.6) id j3CEUse32045; Tue, 12 Apr 2005 15:30:54 +0100 Date: Tue, 12 Apr 2005 15:30:54 +0100 From: Tim Chown To: Jerome Durand Subject: Re: [v6tc] Re: Tunneling and Transition Drafts Message-ID: <20050412143053.GQ22380@login.ecs.soton.ac.uk> Mail-Followup-To: Jerome Durand , Pekka Savola , "v6ops@ops.ietf.org" , "v6tc@ietf.org" References: <425395F8.50501@renater.fr> <4253EBCF.8030800@renater.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4253EBCF.8030800@renater.fr> User-Agent: Mutt/1.4i X-MailScanner-Information: Please contact helpdesk@ecs.soton.ac.uk for more information X-ECS-MailScanner: Found to be clean X-MailScanner-From: tjc@smtp.ecs.soton.ac.uk X-Spam-Score: 0.0 (/) X-Scan-Signature: 5a9a1bd6c2d06a21d748b7d0070ddcb8 Cc: "v6ops@ops.ietf.org" , "v6tc@ietf.org" X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 3.0 (+++) X-Scan-Signature: 082a9cbf4d599f360ac7f815372a6a15 On Wed, Apr 06, 2005 at 04:01:51PM +0200, Jerome Durand wrote: > Well, on my notes I have the question Alain asked at the end that was: > "Who would be happy if TC just take TSP and make it an RFC?" You don't > mention this question that had a large majority of yes. Then I would be > happy to get the "official" minutes as well :) > > Jerome Jerome, I took rough notes (which I sent to Thomas and Kurtis). The key thing was that half the room voted 'yes' to taking forward v6tc work for 6-in-4 and 4-in-6 (and not for general tunnels, for non IPv6 uses). Here are the lines from my notes where I counted votes, rest of session notes snipped. My feeling is the questions were not well thought out in advance, which is a shame as the rest of the v6tc session was very useful and (apparently :) well prepared. After the first few questions, I think people in the room lost interest/focus... we didn't have 3 or 4 well considered questions prepared. -- (Durand) How many people interested in TC work for 6 in 4 or 4 in 6 only? - Maybe 50% (Durand) For any kind of tunnels? - Maybe 10 (Narten) Worried if we're short-sighted like this (Meyer) Would be to everyone's benefit to find balance of IPv6 need and generic solution for other uses. (Kurtis) We don't know enough yet. Getting a consolidated effort across WGs doing this would be useful. (Ron Boniker?) Suggest rule out any solution that can't be generalised to other domains. (Savola) Need to analyse generic issue if we go wider, else lose IPv6 deadlines (Hinden) Have a zillion tunnel protocols and I don't see advantage of new generic one. I vote for limited scope. Concerned that we are reinventing deployed solutions? (broker?) (Durand) (hat off) Schizophrenia or IETF - requirements analysis vs desire to be generic... ball going back and forth. Chances of success higher if we stay focused on IPv6. (Townsley) Naive to think we'd create something to kill other protocols. (Narten) Brokers are being shipped - why is that not good enough? (Narten) Go with TSP as is? - 10 people (Durand) Is TSP good enough to get by on? - about 10 people (Durand) Need something more? - 10 people (???) Is there a crying demand for this by the ISPs? (Durand) Common implementations would be nice (Narten) Which ISPs need to solve this problem? - 4 people (Durand) Which ISPs think all is done? No problem? - ??? (JDurand) I'm happy with TSP. (Durand) Happy if just do TSP to RFC? (Parent) TSP is just a draft - need expert review (Thaler) Maybe L2TP is enough? TSP doesn't solve TEP discovery. (Durand) Who wants TEP discovery solved? - 12 yes (Durand) And not? - none _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Tue Apr 12 10:43:07 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id KAA05307; Tue, 12 Apr 2005 10:43:07 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLMlE-0002jM-Di; Tue, 12 Apr 2005 10:53:05 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLMYf-00038x-1u; Tue, 12 Apr 2005 10:40:05 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLMYd-000356-HE for v6tc@megatron.ietf.org; Tue, 12 Apr 2005 10:40:04 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id KAA05074 for ; Tue, 12 Apr 2005 10:39:56 -0400 (EDT) Received: from netcore.fi ([193.94.160.1]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLMi6-0002e5-9C for v6tc@ietf.org; Tue, 12 Apr 2005 10:49:53 -0400 Received: from localhost (pekkas@localhost) by netcore.fi (8.11.6/8.11.6) with ESMTP id j3CEdZD12813; Tue, 12 Apr 2005 17:39:35 +0300 Date: Tue, 12 Apr 2005 17:39:35 +0300 (EEST) From: Pekka Savola To: Jerome Durand Subject: Re: [v6tc] Let the market decide or not: L2TP and/or TSP In-Reply-To: <425A517C.9070904@renater.fr> Message-ID: References: <200504081806.j38I6Z1M013207@givry.rennes.enst-bretagne.fr> <1112984642.1788.15.camel@firenze.zurich.ibm.com> <2ebbfb91d40e6f9790ef7c1db0abc78e@tycool.net> <425A517C.9070904@renater.fr> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Score: 0.0 (/) X-Scan-Signature: 97adf591118a232206bdb5a27b217034 Cc: v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 8b30eb7682a596edff707698f4a80f7d On Mon, 11 Apr 2005, Jerome Durand wrote: >> IMHO, with an informational spec and deployed code, the market can already >> decide between the two if it comes to that. > > I am not sure I understand the goal of "Informational" here if there are > implementations behind? Shouldn't it be PS? The point is that an Informational RFC can be produced quickly, with a disclaimer like, ===== IESG Note This RFC is not a candidate for any level of Internet Standard. The IETF disclaims any knowledge of the fitness of this RFC for any purpose and notes that the decision to publish is not based on IETF review apart from IESG review for conflict with IETF work. The RFC Editor has chosen to publish this document at its discretion. See RFC 3932 for more information. ===== in essence, such Informational RFCs don't get the official IETF "seal of approval", thorough review, can be insecure, etc. -- but may be sufficient to create interoperable implementations. Proposed Standard has a much higher bar.. what's the point (if ISPs want something today if not 3 years ago) if we spin a year or two revising and maybe even making backwards-incompatible changes to the spec? -- Pekka Savola "You each name yourselves king, yet the Netcore Oy kingdom bleeds." Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Tue Apr 12 14:32:33 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id OAA23287; Tue, 12 Apr 2005 14:32:33 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLQLH-0001VG-Jo; Tue, 12 Apr 2005 14:42:32 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLQ1s-0000tD-Sf; Tue, 12 Apr 2005 14:22:28 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLQ1r-0000sm-PJ for v6tc@megatron.ietf.org; Tue, 12 Apr 2005 14:22:27 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id OAA22464 for ; Tue, 12 Apr 2005 14:22:17 -0400 (EDT) Received: from dsl093-039-075.pdx1.dsl.speakeasy.net ([66.93.39.75] helo=smtp-e.tycool.net) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLQBK-0001Cl-Sv for v6tc@ietf.org; Tue, 12 Apr 2005 14:32:17 -0400 Received: from [192.168.1.2] (unknown [192.168.1.2]) by smtp-e.tycool.net (Postfix) with ESMTP id 48F0815 for ; Tue, 12 Apr 2005 11:22:41 -0700 (PDT) Mime-Version: 1.0 (Apple Message framework v619.2) To: v6tc@ietf.org Message-Id: <6e9c224119c52e2bb0e515831aec26ba@tycool.net> From: Alain Durand Date: Tue, 12 Apr 2005 11:22:18 -0700 X-Mailer: Apple Mail (2.619.2) X-Spam-Score: 0.0 (/) X-Scan-Signature: 97901e96c4dacf0263335ebc3a004b57 Subject: [v6tc] TC BOF minutes X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0608465331==" Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: e2606d87c59dd55d7ebbdcd115e578fb --===============0608465331== Content-Type: multipart/alternative; boundary=Apple-Mail-2--268531668 --Apple-Mail-2--268531668 Content-Type: text/plain; charset=WINDOWS-1252; format=flowed Content-Transfer-Encoding: quoted-printable Message resent without the presentations attached. The full version is on hold waiting for the list moderator approval. - Alain. From: alain@tycool.net Subject: BoF minutes Date: April 12, 2005 10:53:07 AM PDT To: v6tc@ietf.org Thanks to Tim Chown & Jeffrey Dunn for taking notes. - Alain. TC BoF IETF62, 3.30pm Monday 7th March Chairs: Alain Durand, Thomas Narten Mail list: v6tc@ietf.org Problem Statement (Narten) --------------------------- [See presentation "Problem Statement"] IPv6 enabled core, but no IPv6 in access network. How to set up tunnel between a home site and core? Need to agree properties: authentication, mtu, encapsulation Also need to find the TEP. Can make assumptions about the ISP e.g. ISP may have multiple POPs around world, so need to pick 'nearby'=20= TEP Can make assumptions about the customer e.g. might be a node, or a router, with IPv4-only connection to ISP Need to have negotiation due to wide variety of access media and whether features like authentication are required, encryption of tunnel, etc. Need to consider keep alives, NAT refresh, etc. TEP discovery is orthogonal to the configuration. Generic automatic discovery is 'difficult' in the general case. Note that SMTP, SIP etc do not provide general discovery like this. Encapsulation: IPv6 over IPv4, or IPv6 over UDP over IPv4, or=20 specialist encapsulation Some limitations, e.g. 64K port numbers for a NAT box with many TEPs=20 behind it e.g. L2TP includes a demux key for the TEP. Might we do something generic enough to be used for other tunnel types? Are there off-the-shelf solutions? [Discussion] Miakawa) ISPs might have some access networks that are upgraded some not (Bound) Change to say ISP does not offer IPv6 natively to *all*=20 customers (Palet) Auto decide whether to tunnel or not depending on whether=20 native available (Palet) Some networks are IPv6-only, so need IPv4-in-IPv6 tunneling here (Hans Trefini) You have one solution providing light weight solution=20 with out mandatory authentication. This should be negotiated. Do you=20 also consider mobile end points? Not part of the current problem=20 statement, but inside or outside of NAT could be dynamic, but we do not=20= want to consider Mobile IP. Might want to consider IPSec tunnel=20 paradigm. (Ron Bonica) Could be applicable elsewhere, change IPv6 to any=20 arbitrary service, e.g. IPv4 multicast. Merging goals (Palet) ----------------------------- draft-palet-v6tc-goals-tunneling-00 [see presentation "merged Goals"] Converged three separate documents to work on a single document Basic objective to describe set of goals, and cross check against=20 scenarios. [Discusssion] (Meyer) IPv4 multicast tunneling often doesn't get removed from service. (Narten) Not engrained here, ISP can just stop using it. (Savola) multicast tunnels were inter-domain not to end user (Narten) tunnel setup is important for service, but also need=20 addresses... maybe combine all into one, (Chown) ISP has cost for tunnels - concentrator cost, customers can't=20 talk direct, tunnel overhead in bandwidth, so will want to remove. (Chown) On the draft, the scenario section should just be removed since=20= you have aggregated requirements into the first sections. The first=20 sections could be compressed more. (Kurtis) Mixing service description and tunnel configuration protocol (Mark Townsley) 'latency' is a vague term, what is acceptable latency?=20= is it set up once and stays, or fired up frequently? (Palet) Design protocol with different functionalities for different=20 networks? May not want keep alives in some networks for example. (Mark Townsley) Lots of issues - scalability, QoS, ...? (Thaler) On TEP, what is scope? Is it discovering endpoint in same ISP=20= or could it be larger? (Narten) Open question. (Thaler) Great if in scope, but makes it harder (Bound) Spec doesn't belong in this BoF or the IETF. No innovation or=20= technical creativity - is an interesting deployment spec but not sure=20 why I'm here listening to this. It should go away. (Ross Callen) If were some way to tell a v6 router there is someone=20 trying to get to you you may be able to fire up a tunnel dynamically? (Dave Green) Many systems integrators are doing this already, so why=20 not BCP? (Durand) Not clear something off the shelf ready yet (Dave Green) Firewall an issue if bypassing site security Existing protocol analysis (Parent) [see presentation "Protocol Analysis"] ISATAP, STEP, AYIYA, TSP, L2TP (RFC2661) Differences tend to lie in prefix delegation, NAT traversal,=20 (un)registered mode, security, setup latency, otherwise most goals are=20= met. [Discussion] (Mark Townsley) Again, latency is a tough thing to measure, e.g. 13=20 packets in AYIYA, is this an issue? Maybe total round trips would be a=20= better measure? (Bound) You missed IPv6 dominant network scenario and DSTM? No Teredo=20= either. (Parent) We can add them in. (Bound) Who are you representing? You missed some of the past five=20 year's work (Narten) I'd question whether Teredo is appropriate - not setup to ISP=20= TEP. (Bound) All you want to do is define parameters? (Narten) You need a tunnel, and you need to originate from client to=20 clear TEP in ISP. (Bound) Mechanisms will not be defined here (Durand) Not here to do that, just here to configure tunnels (Thaler) Clarify address stability please (Parent) IPv6 address will not change if underlying IPv4 address=20 changes, thus ISP uses own IPv6 address space. (Narten) If you roam to multiple POPs, do you keep stability? (Parent) Good question. (Townsley) Is it a strict requirement? Affects solution dramatically (Parent) Main issue is not embedding IPv4 addresses in IPv6 addresses,=20= for example. (Dupont) We used L2TP and I have that for any Linux or BSD. L2TO or not (Durand) ---------------------------- [See presentation "L2TP"] Need to look at total latency, e.g. if using DHCPv6 on top of the=20 tunnel, you add more latency, e.g. L2TP(8), PPP+CHAP(11), DHCPv6(4) =3D=20= 23 packets. May be a big issue if RTT is 0.5 sec in 3GPP. Strength of this requirement will vary with the scenario. Can we collapse all this into one protocol? Layers there for a reason e.g. PPP does MTU adaptation, L2TP is doing tunnel management, e.g.=20 keepalive and can make sure packets ordered If we don't use L2TP the node may need to do that. [Discussion] (Hans) Investigate IKE? (Durand) Yes, this is a candidate. (Dupont) L2TP is good candidate for header compression (Townsley) Few people implement header compression (Thaler) DHCPv6 isn't a major contributor to latency, but you don=92t=20 want to have to duplicate all new DHCPv6 options. Push back on putting=20= DHCPv6 into this. Stick to Layer 2. Solution Space Analysis (Savola) -------------------------- [See presentation "Solution Space Analysis"] First issue is tunnel link configuration What to be configured, and how to configure it. Separate question is how to do IP configuration of the tunnel, e.g.=20 DHCPv6, RA. Avoid reinventing IP configuration or DHCPv6. Generic solution might lead to some L2TP 'reinvention' A specific solution might address only IPv6 over (UDP) IPv4. So, main approaches would be - use L2TP, maybe modify it - use TSP - create collapsed in-band mechanism, reusing DHCPv6 or RAs Some considerations, like NAT detection (maybe just assume there is a=20 NAT?) Probably just pick the IPv6 over UDP IPv4 for encapsulation Authentication supported, but probably only when roaming? (otherwise=20 use IP check) (Durand) You have described in-band and out-of-band mechanisms. Will=20= now look at an example of each. (Savola) [See presentation "Step"] IP and link configuration is just 2 or 4 packets. (Parent) [See presentation "TSP"] Open Discussion ------------------------ (Hans) Why do you use XML if worried about efficiency? Other=20 efficiency issues exist (Savola) Were we redesigning it may be done in a more optimal way (Chown) Where are the potential ISP users of this? Note 'costly' is a=20= vague term - where is cost - e.g. user support, which is same for=20 native or tunneled? Would actual ISPs make a deployment using this=20 now ahead of a full native deployment? Any ISPs here? (Durand) Please comment (Miakawa) No implementation, we can't use it, timeline is important. =20 Not sure why no IPsec on the list. Problem space similar to VPN=20 extension issues. (Palet) Main difference is in Enterprise VPN don't need tunnel=20 discovery, will be manually configured. (Miakawa) Users don=92t care to configure network number. (Savola) VPNs must use encryption, here you may not want to do that for=20= scalability (Miakawa) Have to authenticate users. (JDurand) we deployed a broker, so surprised to see work on this. =20 networks in the middle, hence deployed broker, otherwise would go=20 native. (Narten) some ISPs don=92t want to upgrade across the board (JDurand) We bypass equipment in the middle (Miakawa) We are doing IPv6 native because cheaper than tunnel (Chown) Enterprise wants to offer v6 to remote users e.g. at home or at=20= WLAN hotspot - so see Thaler cross-ISP issue (Palet) Some existing tunnel brokers don=92t work in some cases, hence=20= this generic work. Also make the broker discovery automatic. (Bound) WG should do 4-in-6 and 6-in-4 and security should be=20 included. If broker can be made better its code that runs in user=20 space, so that's fair game. TEP discovery (Savola) -------------------------------- [see presentation "End Point Discovery"] Proposed solutions work using one of: - Well-known unicast address (anycast) for discovery of 'real' unicast=20= address - DNS forward or reverse - DHCP or PPP options - SLP If need to work through NAT, options limited. [Discussion] (Kurtis) This is problem we don=92t want to solve. Closer to service=20 description than having much to do with tunnel configuration protocol. =20= Should be separated. Only solutions I believe we could do are signed=20= reverse tree or manual configuration. Others wont scale or work. =20 Draft is weak on security. (Savola) I don't buy argument anycast can't be secured. (Kurtis) As a user I don't know if network is secure or not (i.e. is=20 anycast address configured locally or leaked from somewhere else - no=20 way to verify). (Savola) Could also spoof DNS! (Miakawa) I agree with Pekka. =46rom ISP point of view we don=92t care. = =20 Need username or password off client anyway. (Savola) TC and TEP discovery could be deployed without username or=20 passwd and just use IPv4 access authentication. (Kurtis) ISP may not care less, but me as a user, I do. No idea who is=20= receiving anycast traffic. (Williams) With millions of users we need to load balance tunnel=20 servers, can't statically allocate? (Durand) Layer 4 load balancer? (Narten) Dynamic discovery can be good, but is it a strong requirement?=20= Or is it 'needed' because it's nice to have. Wrap up ------------ (Durand) Time to wrap up. [Question] (Durand) How many people interested in TC work for 6 in 4 or 4 = in 6=20 only? - Lots, maybe 50% (Durand) For any kind of tunnels? - Few, maybe 10 (Meyer) Would be to everyone's benefit to find balance of IPv6 need and=20= generic solution for other uses. (Kurtis) We don't know enough yet. Getting a consolidated effort=20 across WGs doing this would be useful. (Ron Bonica) Suggest rule out any solution that can't be generalized to=20= other domains. (Savola) Need to analyze generic issue if we go wider, else lose IPv6=20 deadlines (Hinden) Have a zillion tunnel protocols and I don't see advantage of=20 new generic one. I vote for limited scope. (Durand) (hat off) example of the schizophrenia of IETF - requirements=20= analysis vs desire to be generic... ball going back and forth. =20 Chances of success higher if we stay focused on IPv6. (Townsley) Naive to think we'd create something to kill other protocols. (Narten) Brokers are being shipped - why is that not good enough? [Question] (Narten) Go with TSP as is? - about 10 people (Durand) Is TSP good enough to get by on? - about 10/20 people (Durand) Need something more? - less than 10 people (Narten) Which ISPs need to solve this problem? - 4 people =09 (Parent) TSP is just a draft - need expert review (Thaler) Maybe L2TP is enough? TSP doesn't solve TEP discovery. [Question] (Durand) Who wants TEP discovery solved? - 12 yes (Durand) And not? - none (Miakawa) Need implementations. Only Hexago client is GPL. (Savola) need to pick the TC protocol before pick TEP discovery (Townsley) Why not separate? (Savola) If some using L2TP, TSP, then can't assume same service=20 elements in place, need to make it interoperable. Meeting closed at 17.50pm. --Apple-Mail-2--268531668 Content-Type: text/enriched; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable Message resent without the presentations attached. The full version is on hold waiting for the list moderator approval. - Alain. 0000,0000,0000From: 0000,0000,0000 =20 alain@tycool.net 0000,0000,0000Subject: 0000,0000,0000 = BoF minutes 0000,0000,0000Date: 0000,0000,0000 April = 12, 2005 10:53:07 AM PDT 0000,0000,0000To: 0000,0000,0000 =20 v6tc@ietf.org TimesThanks to Tim Chown & Jeffrey Dunn for taking notes. - Alain. TC BoF IETF62, 3.30pm Monday 7th March Chairs: Alain Durand, Thomas Narten Mail list: v6tc@ietf.org Problem Statement (Narten) --------------------------- [See presentation "Problem Statement"] IPv6 enabled core, but no IPv6 in access network. How to set up tunnel between a home site and core? Need to agree properties: authentication, mtu, encapsulation Also need to find the TEP. Can make assumptions about the ISP e.g. ISP may have multiple POPs around world, so need to pick 'nearby' TEP Can make assumptions about the customer e.g. might be a node, or a router, with IPv4-only connection to ISP Need to have negotiation due to wide variety of access media and whether features like authentication are required, encryption of tunnel, etc. Need to consider keep alives, NAT refresh, etc. TEP discovery is orthogonal to the configuration. Generic automatic discovery is 'difficult' in the general case. Note that SMTP, SIP etc do not provide general discovery like this. Encapsulation: IPv6 over IPv4, or IPv6 over UDP over IPv4, or specialist encapsulation Some limitations, e.g. 64K port numbers for a NAT box with many TEPs behind it e.g. L2TP includes a demux key for the TEP. Might we do something generic enough to be used for other tunnel types? Are there off-the-shelf solutions? [Discussion] Miakawa) ISPs might have some access networks that are upgraded some not (Bound) Change to say ISP does not offer IPv6 natively to *all* customers (Palet) Auto decide whether to tunnel or not depending on whether native available (Palet) Some networks are IPv6-only, so need IPv4-in-IPv6 tunneling here (Hans Trefini) You have one solution providing light weight solution with out mandatory authentication. This should be negotiated. Do you also consider mobile end points? Not part of the current problem statement, but inside or outside of NAT could be dynamic, but we do not want to consider Mobile IP. Might want to consider IPSec tunnel paradigm. (Ron Bonica) Could be applicable elsewhere, change IPv6 to any arbitrary service, e.g. IPv4 multicast.=20 Merging goals (Palet) ----------------------------- draft-palet-v6tc-goals-tunneling-00 [see presentation "merged Goals"] Converged three separate documents to work on a single document Basic objective to describe set of goals, and cross check against scenarios. [Discusssion] (Meyer) IPv4 multicast tunneling often doesn't get removed from service. (Narten) Not engrained here, ISP can just stop using it. (Savola) multicast tunnels were inter-domain not to end user (Narten) tunnel setup is important for service, but also need addresses... maybe combine all into one, (Chown) ISP has cost for tunnels - concentrator cost, customers can't talk direct, tunnel overhead in bandwidth, so will want to remove.=20 (Chown) On the draft, the scenario section should just be removed since you have aggregated requirements into the first sections. The first sections could be compressed more. (Kurtis) Mixing service description and tunnel configuration protocol (Mark Townsley) 'latency' is a vague term, what is acceptable latency? is it set up once and stays, or fired up frequently? (Palet) Design protocol with different functionalities for different networks? May not want keep alives in some networks for example. (Mark Townsley) Lots of issues - scalability, QoS, ...? (Thaler) On TEP, what is scope? Is it discovering endpoint in same ISP or could it be larger? (Narten) Open question. =20 (Thaler) Great if in scope, but makes it harder (Bound) Spec doesn't belong in this BoF or the IETF. No innovation or technical creativity - is an interesting deployment spec but not sure why I'm here listening to this. It should go away. (Ross Callen) If were some way to tell a v6 router there is someone trying to get to you you may be able to fire up a tunnel dynamically? (Dave Green) Many systems integrators are doing this already, so why not BCP? (Durand) Not clear something off the shelf ready yet (Dave Green) Firewall an issue if bypassing site security Existing protocol analysis (Parent) [see presentation "Protocol Analysis"] ISATAP, STEP, AYIYA, TSP, L2TP (RFC2661) Differences tend to lie in prefix delegation, NAT traversal, (un)registered mode, security, setup latency, otherwise most goals are met. [Discussion] (Mark Townsley) Again, latency is a tough thing to measure, e.g. 13 packets in AYIYA, is this an issue? Maybe total round trips would be a better measure? (Bound) You missed IPv6 dominant network scenario and DSTM? No Teredo either. (Parent) We can add them in. =20 (Bound) Who are you representing? You missed some of the past five year's work (Narten) I'd question whether Teredo is appropriate - not setup to ISP TEP. (Bound) All you want to do is define parameters? (Narten) You need a tunnel, and you need to originate from client to clear TEP in ISP. (Bound) Mechanisms will not be defined here (Durand) Not here to do that, just here to configure tunnels (Thaler) Clarify address stability please (Parent) IPv6 address will not change if underlying IPv4 address changes, thus ISP uses own IPv6 address space. (Narten) If you roam to multiple POPs, do you keep stability? (Parent) Good question. (Townsley) Is it a strict requirement? Affects solution dramatically (Parent) Main issue is not embedding IPv4 addresses in IPv6 addresses, for example. (Dupont) We used L2TP and I have that for any Linux or BSD. L2TO or not (Durand) ---------------------------- [See presentation "L2TP"] Need to look at total latency, e.g. if using DHCPv6 on top of the tunnel, you add more latency, e.g. L2TP(8), PPP+CHAP(11), DHCPv6(4) =3D 23 packets. May be a big issue if RTT is 0.5 sec in 3GPP. Strength of this requirement will vary with the scenario. Can we collapse all this into one protocol? < Layers there for a reason e.g. PPP does MTU adaptation, L2TP is doing tunnel management, e.g. keepalive and can make sure packets ordered If we don't use L2TP the node may need to do that. [Discussion] (Hans) Investigate IKE? (Durand) Yes, this is a candidate. (Dupont) L2TP is good candidate for header compression (Townsley) Few people implement header compression (Thaler) DHCPv6 isn't a major contributor to latency, but you don=92t want to have to duplicate all new DHCPv6 options. Push back on putting DHCPv6 into this. Stick to Layer 2. Solution Space Analysis (Savola) -------------------------- [See presentation "Solution Space Analysis"] First issue is tunnel link configuration What to be configured, and how to configure it. Separate question is how to do IP configuration of the tunnel, e.g. DHCPv6, RA. Avoid reinventing IP configuration or DHCPv6. Generic solution might lead to some L2TP 'reinvention' A specific solution might address only IPv6 over (UDP) IPv4. So, main approaches would be - use L2TP, maybe modify it - use TSP - create collapsed in-band mechanism, reusing DHCPv6 or RAs Some considerations, like NAT detection (maybe just assume there is a NAT?) Probably just pick the IPv6 over UDP IPv4 for encapsulation Authentication supported, but probably only when roaming? (otherwise use IP check) (Durand) You have described in-band and out-of-band mechanisms. Will now look at an example of each. (Savola) < [See presentation "Step"] IP and link configuration is just 2 or 4 packets. (Parent) < [See presentation "TSP"] Open Discussion ------------------------ (Hans) Why do you use XML if worried about efficiency? Other efficiency issues exist (Savola) Were we redesigning it may be done in a more optimal way (Chown) Where are the potential ISP users of this? Note 'costly' is a vague term - where is cost - e.g. user support, which is same for native or tunneled? Would actual ISPs make a deployment using this now ahead of a full native deployment? Any ISPs here? (Durand) Please comment (Miakawa) No implementation, we can't use it, timeline is important.=20 Not sure why no IPsec on the list. Problem space similar to VPN extension issues. (Palet) Main difference is in Enterprise VPN don't need tunnel discovery, will be manually configured. (Miakawa) Users don=92t care to configure network number. (Savola) VPNs must use encryption, here you may not want to do that for scalability (Miakawa) Have to authenticate users. (JDurand) we deployed a broker, so surprised to see work on this. =20 networks in the middle, hence deployed broker, otherwise would go native. (Narten) some ISPs don=92t want to upgrade across the board (JDurand) We bypass equipment in the middle (Miakawa) We are doing IPv6 native because cheaper than tunnel=20 (Chown) Enterprise wants to offer v6 to remote users e.g. at home or at WLAN hotspot - so see Thaler cross-ISP issue (Palet) Some existing tunnel brokers don=92t work in some cases, hence this generic work. Also make the broker discovery automatic. (Bound) WG should do 4-in-6 and 6-in-4 and security should be included. If broker can be made better its code that runs in user space, so that's fair game. =20 TEP discovery (Savola) -------------------------------- [see presentation "End Point Discovery"] Proposed solutions work using one of: - Well-known unicast address (anycast) for discovery of 'real' unicast address - DNS forward or reverse - DHCP or PPP options - SLP If need to work through NAT, options limited. [Discussion] (Kurtis) This is problem we don=92t want to solve. Closer to service description than having much to do with tunnel configuration protocol.=20= Should be separated. Only solutions I believe we could do are signed reverse tree or manual configuration. Others wont scale or work. =20 Draft is weak on security. (Savola) I don't buy argument anycast can't be secured. (Kurtis) As a user I don't know if network is secure or not (i.e. is anycast address configured locally or leaked from somewhere else - no way to verify). (Savola) Could also spoof DNS! (Miakawa) I agree with Pekka. =46rom ISP point of view we don=92t care. = =20 Need username or password off client anyway. (Savola) TC and TEP discovery could be deployed without username or passwd and just use IPv4 access authentication. (Kurtis) ISP may not care less, but me as a user, I do. No idea who is receiving anycast traffic. (Williams) With millions of users we need to load balance tunnel servers, can't statically allocate? (Durand) Layer 4 load balancer? (Narten) Dynamic discovery can be good, but is it a strong requirement? Or is it 'needed' because it's nice to have. Wrap up ------------ (Durand) Time to wrap up. [Question] (Durand) How many people interested in TC work for 6 in 4 or 4 = in 6 only? - Lots, maybe 50% (Durand) For any kind of tunnels? Times New Roman- TimesFew, maybe 10 (Meyer) Would be to everyone's benefit to find balance of IPv6 need and generic solution for other uses. (Kurtis) We don't know enough yet. Getting a consolidated effort across WGs doing this would be useful. (Ron Bonica) Suggest rule out any solution that can't be generalized to other domains. (Savola) Need to analyze generic issue if we go wider, else lose IPv6 deadlines (Hinden) Have a zillion tunnel protocols and I don't see advantage of new generic one. I vote for limited scope. (Durand) (hat off) example of the schizophrenia of IETF - requirements analysis vs desire to be generic... ball going back and forth. =20 Chances of success higher if we stay focused on IPv6. (Townsley) Naive to think we'd create something to kill other protocols. (Narten) Brokers are being shipped - why is that not good enough? [Question] (Narten) Go with TSP as is? - about 10 people (Durand) Is TSP good enough to get by on? - about 10/20 people (Durand) Need something more? - less than 10 people (Narten) Which ISPs need to solve this problem? Times New Roman- Times4 people Times New Roman = Times (Parent) TSP is just a draft - need expert review (Thaler) Maybe L2TP is enough? TSP doesn't solve TEP discovery. [Question] (Durand) Who wants TEP discovery solved? - 12 yes (Durand) And not? Times New Roman- Timesnone (Miakawa) Need implementations. Only Hexago client is GPL. =20 (Savola) need to pick the TC protocol before pick TEP discovery (Townsley) Why not separate? (Savola) If some using L2TP, TSP, then can't assume same service elements in place, need to make it interoperable. Meeting closed at 17.50pm. = --Apple-Mail-2--268531668-- --===============0608465331== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc --===============0608465331==-- From v6tc-bounces@ietf.org Tue Apr 12 14:46:22 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id OAA24397; Tue, 12 Apr 2005 14:46:21 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLQYf-0001qv-5g; Tue, 12 Apr 2005 14:56:21 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLQNm-0003pv-AX; Tue, 12 Apr 2005 14:45:06 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLQNk-0003pk-SA for v6tc@megatron.ietf.org; Tue, 12 Apr 2005 14:45:04 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id OAA24280 for ; Tue, 12 Apr 2005 14:45:03 -0400 (EDT) Received: from sj-iport-3-in.cisco.com ([171.71.176.72] helo=sj-iport-3.cisco.com) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLQXO-0001ok-0i for v6tc@ietf.org; Tue, 12 Apr 2005 14:55:02 -0400 Received: from sj-core-5.cisco.com (171.71.177.238) by sj-iport-3.cisco.com with ESMTP; 12 Apr 2005 11:44:55 -0700 X-IronPort-AV: i="3.92,96,1112598000"; d="scan'208,217"; a="248530776:sNHT33473232" Received: from imail.cisco.com (imail.cisco.com [128.107.200.91]) by sj-core-5.cisco.com (8.12.10/8.12.6) with ESMTP id j3CIiqJd013970; Tue, 12 Apr 2005 11:44:53 -0700 (PDT) Received: from [210.72.28.195] (tky-vpn-client-230-23.cisco.com [10.70.230.23]) by imail.cisco.com (8.12.11/8.12.10) with ESMTP id j3CIaLcg030091; Tue, 12 Apr 2005 11:36:22 -0700 Mime-Version: 1.0 (Apple Message framework v619.2) In-Reply-To: <20050412143053.GQ22380@login.ecs.soton.ac.uk> References: <425395F8.50501@renater.fr> <4253EBCF.8030800@renater.fr> <20050412143053.GQ22380@login.ecs.soton.ac.uk> Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: <23ec6165fdb2ab7b2f3946e45caef796@cisco.com> Content-Transfer-Encoding: 7bit From: Fred Baker Subject: Re: [v6tc] Re: Tunneling and Transition Drafts Date: Wed, 13 Apr 2005 02:44:49 +0800 To: v6tc@ietf.org, "'v6ops@ops.ietf.org '" X-Mailer: Apple Mail (2.619.2) IIM-SIG: v:"1.1"; h:"imail.cisco.com"; d:"cisco.com"; z:"home"; m:"krs"; t:"1113330983.753699"; x:"432200"; a:"rsa-sha1"; b:"nofws:3280"; e:"Iw=="; n:"sQYarK2E51MdcTiUqeif3F7cWdxIfoCiXhdfb9vD5ee/j0jXL15gbFxF2p" "XIweAblu0N6XAgK7k+wrbr7bQDJaCDqOmzqpRUBjIRQAXQ7NzadpmR3pUL6wxaRUtW+c43sl9jC" "50Qg1sXHpPjt8Y+Y16ioyQAQAdSunM4YhevURc="; s:"IIqjPMRHdivuSf634/tvxxaP6vTzu+rzPZNkkhN6bUpPpvlkeXPJjcT1R5VTDAEtojYTuOor" "bB3AzUPuTYunIHjM44Vc9N5GyixZFKYINbqMYL1RKiFnO25PePfNW29M8fomaPaE7xJC8NGX5bj" "BVr65YAUGt0WS8yU+KkvM9Dk="; c:"From: Fred Baker "; c:"Subject: Re: [v6tc] Re: Tunneling and Transition Drafts"; c:"Date: Wed, 13 Apr 2005 02:44:49 +0800" IIM-VERIFY: s:"y"; v:"y"; r:"60"; h:"imail.cisco.com"; c:"message from imail.cisco.com verified; " X-Spam-Score: 0.0 (/) X-Scan-Signature: 92df29fa99cf13e554b84c8374345c17 Content-Transfer-Encoding: 7bit X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 00e94c813bef7832af255170dca19e36 Content-Transfer-Encoding: 7bit On Apr 12, 2005, at 10:30 PM, Tim Chown wrote: > (Hinden) Have a zillion tunnel protocols and I don't see advantage of > new generic one. I vote for limited scope. Concerned that we are > reinventing deployed solutions? (broker?) > (Durand) (hat off) Schizophrenia or IETF - requirements analysis vs > desire to be generic... ball going back and forth. Chances of > success higher if we stay focused on IPv6. My sense is that this sort of hits the point, but in fact misses it pretty widely. The issues with IPv4/IPv6 transition and coexistence boil down, I think, to the questions of rendezvous and how/when to use a tunnel vs a translation mechanism. The discussion of "do we need yet-another-GRE-format" is beside the point - we *don't* need another GRE, but we need to know how and when to use the one we have, and in that case which one to use, and when the only option is to translate (NAT-PT or whatever). The key question is how one enables two systems to talk with each other. This is trivial if we have a parallel implementation - dual stacks in both hosts and the entire network. In that case, pick one and go with it, and those systems that have not yet turned on IPv6 use IPv4. That is already a pretty strong recommendation. But it also misses something basic - the value that IPv6 brings to the party is mostly related to increasing the address pool. If that is not true, if we have enough IPv4 addresses that we can build parallel networks everywhere, then we don't need a new protocol in the first place. If it is true (and it is) then you have to assume that there will be edge networks and service networks that are IPv6-only or IPv6-dominant pretty early - pick your reason. Once you have an IPv6-only/dominant service network, you have the question of IPv4 hosts having to use it to communicate over it, IPv6-only/dominant hosts needing to communicate over IPv4-only/dominant networks, and IPv6-only hosts needing to communicate with IPv4-only hosts. At that point we have to solve a rendezvous problem. When two of one kind of host need to communicate over a network of the other kind, we obviously want to tunnel. We can do this using static tunnels, but that is a lot of manual configuration. What we really want is some kind of auto-tunneling, which means some kind of automated tunnel-endpoint location. We could do it by routing, which some proposals suggest: inject one type of routes into the other type of network using an interesting addressing scheme and make it all automagic. We could do it by naming - have what amount do DNS translators and tunnel brokers that insert the local-form-addresses of gateways into networks, and as a result both communicate to systems of one type of the address of the translator/tunnel endpoint and communicate to systems of the other type who to route a tunnel to. There are probably other approaches. But if we do this in multiple ways, we create a new layer of problems - how does a Teredo gateway talk to a Silkroad gateway talk to a DSTM gateway talk to a ...? We really need, I think, to pick *one*. and make it work well for 90+% of the cases. Note I don't say "cover every case". I'd like to, but I also wonder at what point doing so slows down getting the protocol out or slows down the transition itself. I'm perfectly happy to standardize on existing types of tunnels - IPsec, GRE, IPv4/IPv6, IPv4/IPv4, IPv6/IPv4, IPv6/IPv6, L2TP, or whatever. If we don't solve the rendezvous problem (and btw communicate to the peer what kind of tunnel a given gateway is willing to support) we have not *touched* the transition problem. And what I would like to see happen is for someone, somewhere - and note that I am very willing to do this in v6ops if people want and also willing to send it to v6tc or wherever else - to solve that rendezvous problem. As a result, I would like to see the various competing transition strategies all rendered OBE and get everyone to converge on a single transition approach. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Tue Apr 12 14:54:19 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id OAA25145; Tue, 12 Apr 2005 14:54:18 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLQgF-00027d-Hf; Tue, 12 Apr 2005 15:04:17 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLQSh-0004nK-FA; Tue, 12 Apr 2005 14:50:11 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLPaD-0003bR-SQ for v6tc@megatron.ietf.org; Tue, 12 Apr 2005 13:53:55 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id NAA20183 for ; Tue, 12 Apr 2005 13:53:40 -0400 (EDT) Received: from dsl093-039-075.pdx1.dsl.speakeasy.net ([66.93.39.75] helo=smtp-e.tycool.net) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLPjU-0000K5-Fo for v6tc@ietf.org; Tue, 12 Apr 2005 14:03:40 -0400 Received: from [192.168.1.2] (unknown [192.168.1.2]) by smtp-e.tycool.net (Postfix) with ESMTP id 0B31915 for ; Tue, 12 Apr 2005 10:53:50 -0700 (PDT) Mime-Version: 1.0 (Apple Message framework v619.2) To: v6tc@ietf.org Message-Id: Content-Type: multipart/mixed; boundary=Apple-Mail-11--270282577 From: Alain Durand Date: Tue, 12 Apr 2005 10:53:07 -0700 X-Mailer: Apple Mail (2.619.2) X-Spam-Score: 0.0 (/) X-Scan-Signature: 30d3acac7aa921f6987eaaf9a0a5c8eb X-Mailman-Approved-At: Tue, 12 Apr 2005 14:50:09 -0400 Subject: [v6tc] BoF minutes X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: ac9e4a44e26358009b6ed65f9bfdca17 --Apple-Mail-11--270282577 Content-Type: multipart/alternative; boundary=Apple-Mail-12--270282577 --Apple-Mail-12--270282577 Content-Type: text/plain; charset=WINDOWS-1252; format=flowed Content-Transfer-Encoding: quoted-printable Thanks to Tim Chown & Jeffrey Dunn for taking notes. - Alain. TC BoF IETF62, 3.30pm Monday 7th March Chairs: Alain Durand, Thomas Narten Mail list: v6tc@ietf.org Problem Statement (Narten) --------------------------- [See presentation "Problem Statement"] IPv6 enabled core, but no IPv6 in access network. How to set up tunnel between a home site and core? Need to agree properties: authentication, mtu, encapsulation Also need to find the TEP. Can make assumptions about the ISP e.g. ISP may have multiple POPs around world, so need to pick 'nearby'=20= TEP Can make assumptions about the customer e.g. might be a node, or a router, with IPv4-only connection to ISP Need to have negotiation due to wide variety of access media and whether features like authentication are required, encryption of tunnel, etc. Need to consider keep alives, NAT refresh, etc. TEP discovery is orthogonal to the configuration. Generic automatic discovery is 'difficult' in the general case. Note that SMTP, SIP etc do not provide general discovery like this. Encapsulation: IPv6 over IPv4, or IPv6 over UDP over IPv4, or=20 specialist encapsulation Some limitations, e.g. 64K port numbers for a NAT box with many TEPs=20 behind it e.g. L2TP includes a demux key for the TEP. Might we do something generic enough to be used for other tunnel types? Are there off-the-shelf solutions? [Discussion] Miakawa) ISPs might have some access networks that are upgraded some not (Bound) Change to say ISP does not offer IPv6 natively to *all*=20 customers (Palet) Auto decide whether to tunnel or not depending on whether=20 native available (Palet) Some networks are IPv6-only, so need IPv4-in-IPv6 tunneling here (Hans Trefini) You have one solution providing light weight solution=20 with out mandatory authentication. This should be negotiated. Do you=20 also consider mobile end points? Not part of the current problem=20 statement, but inside or outside of NAT could be dynamic, but we do not=20= want to consider Mobile IP. Might want to consider IPSec tunnel=20 paradigm. (Ron Bonica) Could be applicable elsewhere, change IPv6 to any=20 arbitrary service, e.g. IPv4 multicast. Merging goals (Palet) ----------------------------- draft-palet-v6tc-goals-tunneling-00 [see presentation "merged Goals"] Converged three separate documents to work on a single document Basic objective to describe set of goals, and cross check against=20 scenarios. [Discusssion] (Meyer) IPv4 multicast tunneling often doesn't get removed from service. (Narten) Not engrained here, ISP can just stop using it. (Savola) multicast tunnels were inter-domain not to end user (Narten) tunnel setup is important for service, but also need=20 addresses... maybe combine all into one, (Chown) ISP has cost for tunnels - concentrator cost, customers can't=20 talk direct, tunnel overhead in bandwidth, so will want to remove. (Chown) On the draft, the scenario section should just be removed since=20= you have aggregated requirements into the first sections. The first=20 sections could be compressed more. (Kurtis) Mixing service description and tunnel configuration protocol (Mark Townsley) 'latency' is a vague term, what is acceptable latency?=20= is it set up once and stays, or fired up frequently? (Palet) Design protocol with different functionalities for different=20 networks? May not want keep alives in some networks for example. (Mark Townsley) Lots of issues - scalability, QoS, ...? (Thaler) On TEP, what is scope? Is it discovering endpoint in same ISP=20= or could it be larger? (Narten) Open question. (Thaler) Great if in scope, but makes it harder (Bound) Spec doesn't belong in this BoF or the IETF. No innovation or=20= technical creativity - is an interesting deployment spec but not sure=20 why I'm here listening to this. It should go away. (Ross Callen) If were some way to tell a v6 router there is someone=20 trying to get to you you may be able to fire up a tunnel dynamically? (Dave Green) Many systems integrators are doing this already, so why=20 not BCP? (Durand) Not clear something off the shelf ready yet (Dave Green) Firewall an issue if bypassing site security Existing protocol analysis (Parent) [see presentation "Protocol Analysis"] ISATAP, STEP, AYIYA, TSP, L2TP (RFC2661) Differences tend to lie in prefix delegation, NAT traversal,=20 (un)registered mode, security, setup latency, otherwise most goals are=20= met. [Discussion] (Mark Townsley) Again, latency is a tough thing to measure, e.g. 13=20 packets in AYIYA, is this an issue? Maybe total round trips would be a=20= better measure? (Bound) You missed IPv6 dominant network scenario and DSTM? No Teredo=20= either. (Parent) We can add them in. (Bound) Who are you representing? You missed some of the past five=20 year's work (Narten) I'd question whether Teredo is appropriate - not setup to ISP=20= TEP. (Bound) All you want to do is define parameters? (Narten) You need a tunnel, and you need to originate from client to=20 clear TEP in ISP. (Bound) Mechanisms will not be defined here (Durand) Not here to do that, just here to configure tunnels (Thaler) Clarify address stability please (Parent) IPv6 address will not change if underlying IPv4 address=20 changes, thus ISP uses own IPv6 address space. (Narten) If you roam to multiple POPs, do you keep stability? (Parent) Good question. (Townsley) Is it a strict requirement? Affects solution dramatically (Parent) Main issue is not embedding IPv4 addresses in IPv6 addresses,=20= for example. (Dupont) We used L2TP and I have that for any Linux or BSD. L2TO or not (Durand) ---------------------------- [See presentation "L2TP"] Need to look at total latency, e.g. if using DHCPv6 on top of the=20 tunnel, you add more latency, e.g. L2TP(8), PPP+CHAP(11), DHCPv6(4) =3D=20= 23 packets. May be a big issue if RTT is 0.5 sec in 3GPP. Strength of this requirement will vary with the scenario. Can we collapse all this into one protocol? Layers there for a reason e.g. PPP does MTU adaptation, L2TP is doing tunnel management, e.g.=20 keepalive and can make sure packets ordered If we don't use L2TP the node may need to do that. [Discussion] (Hans) Investigate IKE? (Durand) Yes, this is a candidate. (Dupont) L2TP is good candidate for header compression (Townsley) Few people implement header compression (Thaler) DHCPv6 isn't a major contributor to latency, but you don=92t=20 want to have to duplicate all new DHCPv6 options. Push back on putting=20= DHCPv6 into this. Stick to Layer 2. Solution Space Analysis (Savola) -------------------------- [See presentation "Solution Space Analysis"] First issue is tunnel link configuration What to be configured, and how to configure it. Separate question is how to do IP configuration of the tunnel, e.g.=20 DHCPv6, RA. Avoid reinventing IP configuration or DHCPv6. Generic solution might lead to some L2TP 'reinvention' A specific solution might address only IPv6 over (UDP) IPv4. So, main approaches would be - use L2TP, maybe modify it - use TSP - create collapsed in-band mechanism, reusing DHCPv6 or RAs Some considerations, like NAT detection (maybe just assume there is a=20 NAT?) Probably just pick the IPv6 over UDP IPv4 for encapsulation Authentication supported, but probably only when roaming? (otherwise=20 use IP check) (Durand) You have described in-band and out-of-band mechanisms. Will=20= now look at an example of each. (Savola) [See presentation "Step"] IP and link configuration is just 2 or 4 packets. (Parent) [See presentation "TSP"] Open Discussion ------------------------ (Hans) Why do you use XML if worried about efficiency? Other=20 efficiency issues exist (Savola) Were we redesigning it may be done in a more optimal way (Chown) Where are the potential ISP users of this? Note 'costly' is a=20= vague term - where is cost - e.g. user support, which is same for=20 native or tunneled? Would actual ISPs make a deployment using this=20 now ahead of a full native deployment? Any ISPs here? (Durand) Please comment (Miakawa) No implementation, we can't use it, timeline is important. =20 Not sure why no IPsec on the list. Problem space similar to VPN=20 extension issues. (Palet) Main difference is in Enterprise VPN don't need tunnel=20 discovery, will be manually configured. (Miakawa) Users don=92t care to configure network number. (Savola) VPNs must use encryption, here you may not want to do that for=20= scalability (Miakawa) Have to authenticate users. (JDurand) we deployed a broker, so surprised to see work on this. =20 networks in the middle, hence deployed broker, otherwise would go=20 native. (Narten) some ISPs don=92t want to upgrade across the board (JDurand) We bypass equipment in the middle (Miakawa) We are doing IPv6 native because cheaper than tunnel (Chown) Enterprise wants to offer v6 to remote users e.g. at home or at=20= WLAN hotspot - so see Thaler cross-ISP issue (Palet) Some existing tunnel brokers don=92t work in some cases, hence=20= this generic work. Also make the broker discovery automatic. (Bound) WG should do 4-in-6 and 6-in-4 and security should be=20 included. If broker can be made better its code that runs in user=20 space, so that's fair game. TEP discovery (Savola) -------------------------------- [see presentation "End Point Discovery"] Proposed solutions work using one of: - Well-known unicast address (anycast) for discovery of 'real' unicast=20= address - DNS forward or reverse - DHCP or PPP options - SLP If need to work through NAT, options limited. [Discussion] (Kurtis) This is problem we don=92t want to solve. Closer to service=20 description than having much to do with tunnel configuration protocol. =20= Should be separated. Only solutions I believe we could do are signed=20= reverse tree or manual configuration. Others wont scale or work. =20 Draft is weak on security. (Savola) I don't buy argument anycast can't be secured. (Kurtis) As a user I don't know if network is secure or not (i.e. is=20 anycast address configured locally or leaked from somewhere else - no=20 way to verify). (Savola) Could also spoof DNS! (Miakawa) I agree with Pekka. =46rom ISP point of view we don=92t care. = =20 Need username or password off client anyway. (Savola) TC and TEP discovery could be deployed without username or=20 passwd and just use IPv4 access authentication. (Kurtis) ISP may not care less, but me as a user, I do. No idea who is=20= receiving anycast traffic. (Williams) With millions of users we need to load balance tunnel=20 servers, can't statically allocate? (Durand) Layer 4 load balancer? (Narten) Dynamic discovery can be good, but is it a strong requirement?=20= Or is it 'needed' because it's nice to have. Wrap up ------------ (Durand) Time to wrap up. [Question] (Durand) How many people interested in TC work for 6 in 4 or 4 = in 6=20 only? - Lots, maybe 50% (Durand) For any kind of tunnels? - Few, maybe 10 (Meyer) Would be to everyone's benefit to find balance of IPv6 need and=20= generic solution for other uses. (Kurtis) We don't know enough yet. Getting a consolidated effort=20 across WGs doing this would be useful. (Ron Bonica) Suggest rule out any solution that can't be generalized to=20= other domains. (Savola) Need to analyze generic issue if we go wider, else lose IPv6=20 deadlines (Hinden) Have a zillion tunnel protocols and I don't see advantage of=20 new generic one. I vote for limited scope. (Durand) (hat off) example of the schizophrenia of IETF - requirements=20= analysis vs desire to be generic... ball going back and forth. =20 Chances of success higher if we stay focused on IPv6. (Townsley) Naive to think we'd create something to kill other protocols. (Narten) Brokers are being shipped - why is that not good enough? [Question] (Narten) Go with TSP as is? - about 10 people (Durand) Is TSP good enough to get by on? - about 10/20 people (Durand) Need something more? - less than 10 people (Narten) Which ISPs need to solve this problem? - 4 people =09 (Parent) TSP is just a draft - need expert review (Thaler) Maybe L2TP is enough? TSP doesn't solve TEP discovery. [Question] (Durand) Who wants TEP discovery solved? - 12 yes (Durand) And not? - none (Miakawa) Need implementations. Only Hexago client is GPL. (Savola) need to pick the TC protocol before pick TEP discovery (Townsley) Why not separate? (Savola) If some using L2TP, TSP, then can't assume same service=20 elements in place, need to make it interoperable. Meeting closed at 17.50pm. --Apple-Mail-12--270282577 Content-Type: text/enriched; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable TimesThanks to Tim Chown & Jeffrey Dunn for taking notes. - Alain. TC BoF IETF62, 3.30pm Monday 7th March Chairs: Alain Durand, Thomas Narten Mail list: v6tc@ietf.org Problem Statement (Narten) --------------------------- [See presentation "Problem Statement"] IPv6 enabled core, but no IPv6 in access network. How to set up tunnel between a home site and core? Need to agree properties: authentication, mtu, encapsulation Also need to find the TEP. Can make assumptions about the ISP e.g. ISP may have multiple POPs around world, so need to pick 'nearby' TEP Can make assumptions about the customer e.g. might be a node, or a router, with IPv4-only connection to ISP Need to have negotiation due to wide variety of access media and whether features like authentication are required, encryption of tunnel, etc. Need to consider keep alives, NAT refresh, etc. TEP discovery is orthogonal to the configuration. Generic automatic discovery is 'difficult' in the general case. Note that SMTP, SIP etc do not provide general discovery like this. Encapsulation: IPv6 over IPv4, or IPv6 over UDP over IPv4, or specialist encapsulation Some limitations, e.g. 64K port numbers for a NAT box with many TEPs behind it e.g. L2TP includes a demux key for the TEP. Might we do something generic enough to be used for other tunnel types? Are there off-the-shelf solutions? [Discussion] Miakawa) ISPs might have some access networks that are upgraded some not (Bound) Change to say ISP does not offer IPv6 natively to *all* customers (Palet) Auto decide whether to tunnel or not depending on whether native available (Palet) Some networks are IPv6-only, so need IPv4-in-IPv6 tunneling here (Hans Trefini) You have one solution providing light weight solution with out mandatory authentication. This should be negotiated. Do you also consider mobile end points? Not part of the current problem statement, but inside or outside of NAT could be dynamic, but we do not want to consider Mobile IP. Might want to consider IPSec tunnel paradigm. (Ron Bonica) Could be applicable elsewhere, change IPv6 to any arbitrary service, e.g. IPv4 multicast.=20 Merging goals (Palet) ----------------------------- draft-palet-v6tc-goals-tunneling-00 [see presentation "merged Goals"] Converged three separate documents to work on a single document Basic objective to describe set of goals, and cross check against scenarios. [Discusssion] (Meyer) IPv4 multicast tunneling often doesn't get removed from service. (Narten) Not engrained here, ISP can just stop using it. (Savola) multicast tunnels were inter-domain not to end user (Narten) tunnel setup is important for service, but also need addresses... maybe combine all into one, (Chown) ISP has cost for tunnels - concentrator cost, customers can't talk direct, tunnel overhead in bandwidth, so will want to remove.=20 (Chown) On the draft, the scenario section should just be removed since you have aggregated requirements into the first sections. The first sections could be compressed more. (Kurtis) Mixing service description and tunnel configuration protocol (Mark Townsley) 'latency' is a vague term, what is acceptable latency? is it set up once and stays, or fired up frequently? (Palet) Design protocol with different functionalities for different networks? May not want keep alives in some networks for example. (Mark Townsley) Lots of issues - scalability, QoS, ...? (Thaler) On TEP, what is scope? Is it discovering endpoint in same ISP or could it be larger? (Narten) Open question. =20 (Thaler) Great if in scope, but makes it harder (Bound) Spec doesn't belong in this BoF or the IETF. No innovation or technical creativity - is an interesting deployment spec but not sure why I'm here listening to this. It should go away. (Ross Callen) If were some way to tell a v6 router there is someone trying to get to you you may be able to fire up a tunnel dynamically? (Dave Green) Many systems integrators are doing this already, so why not BCP? (Durand) Not clear something off the shelf ready yet (Dave Green) Firewall an issue if bypassing site security Existing protocol analysis (Parent) [see presentation "Protocol Analysis"] ISATAP, STEP, AYIYA, TSP, L2TP (RFC2661) Differences tend to lie in prefix delegation, NAT traversal, (un)registered mode, security, setup latency, otherwise most goals are met. [Discussion] (Mark Townsley) Again, latency is a tough thing to measure, e.g. 13 packets in AYIYA, is this an issue? Maybe total round trips would be a better measure? (Bound) You missed IPv6 dominant network scenario and DSTM? No Teredo either. (Parent) We can add them in. =20 (Bound) Who are you representing? You missed some of the past five year's work (Narten) I'd question whether Teredo is appropriate - not setup to ISP TEP. (Bound) All you want to do is define parameters? (Narten) You need a tunnel, and you need to originate from client to clear TEP in ISP. (Bound) Mechanisms will not be defined here (Durand) Not here to do that, just here to configure tunnels (Thaler) Clarify address stability please (Parent) IPv6 address will not change if underlying IPv4 address changes, thus ISP uses own IPv6 address space. (Narten) If you roam to multiple POPs, do you keep stability? (Parent) Good question. (Townsley) Is it a strict requirement? Affects solution dramatically (Parent) Main issue is not embedding IPv4 addresses in IPv6 addresses, for example. (Dupont) We used L2TP and I have that for any Linux or BSD. L2TO or not (Durand) ---------------------------- [See presentation "L2TP"] Need to look at total latency, e.g. if using DHCPv6 on top of the tunnel, you add more latency, e.g. L2TP(8), PPP+CHAP(11), DHCPv6(4) =3D 23 packets. May be a big issue if RTT is 0.5 sec in 3GPP. Strength of this requirement will vary with the scenario. Can we collapse all this into one protocol? < Layers there for a reason e.g. PPP does MTU adaptation, L2TP is doing tunnel management, e.g. keepalive and can make sure packets ordered If we don't use L2TP the node may need to do that. [Discussion] (Hans) Investigate IKE? (Durand) Yes, this is a candidate. (Dupont) L2TP is good candidate for header compression (Townsley) Few people implement header compression (Thaler) DHCPv6 isn't a major contributor to latency, but you don=92t want to have to duplicate all new DHCPv6 options. Push back on putting DHCPv6 into this. Stick to Layer 2. Solution Space Analysis (Savola) -------------------------- [See presentation "Solution Space Analysis"] First issue is tunnel link configuration What to be configured, and how to configure it. Separate question is how to do IP configuration of the tunnel, e.g. DHCPv6, RA. Avoid reinventing IP configuration or DHCPv6. Generic solution might lead to some L2TP 'reinvention' A specific solution might address only IPv6 over (UDP) IPv4. So, main approaches would be - use L2TP, maybe modify it - use TSP - create collapsed in-band mechanism, reusing DHCPv6 or RAs Some considerations, like NAT detection (maybe just assume there is a NAT?) Probably just pick the IPv6 over UDP IPv4 for encapsulation Authentication supported, but probably only when roaming? (otherwise use IP check) (Durand) You have described in-band and out-of-band mechanisms. Will now look at an example of each. (Savola) < [See presentation "Step"] IP and link configuration is just 2 or 4 packets. (Parent) < [See presentation "TSP"] Open Discussion ------------------------ (Hans) Why do you use XML if worried about efficiency? Other efficiency issues exist (Savola) Were we redesigning it may be done in a more optimal way (Chown) Where are the potential ISP users of this? Note 'costly' is a vague term - where is cost - e.g. user support, which is same for native or tunneled? Would actual ISPs make a deployment using this now ahead of a full native deployment? Any ISPs here? (Durand) Please comment (Miakawa) No implementation, we can't use it, timeline is important.=20 Not sure why no IPsec on the list. Problem space similar to VPN extension issues. (Palet) Main difference is in Enterprise VPN don't need tunnel discovery, will be manually configured. (Miakawa) Users don=92t care to configure network number. (Savola) VPNs must use encryption, here you may not want to do that for scalability (Miakawa) Have to authenticate users. (JDurand) we deployed a broker, so surprised to see work on this. =20 networks in the middle, hence deployed broker, otherwise would go native. (Narten) some ISPs don=92t want to upgrade across the board (JDurand) We bypass equipment in the middle (Miakawa) We are doing IPv6 native because cheaper than tunnel=20 (Chown) Enterprise wants to offer v6 to remote users e.g. at home or at WLAN hotspot - so see Thaler cross-ISP issue (Palet) Some existing tunnel brokers don=92t work in some cases, hence this generic work. Also make the broker discovery automatic. (Bound) WG should do 4-in-6 and 6-in-4 and security should be included. If broker can be made better its code that runs in user space, so that's fair game. =20 TEP discovery (Savola) -------------------------------- [see presentation "End Point Discovery"] Proposed solutions work using one of: - Well-known unicast address (anycast) for discovery of 'real' unicast address - DNS forward or reverse - DHCP or PPP options - SLP If need to work through NAT, options limited. [Discussion] (Kurtis) This is problem we don=92t want to solve. Closer to service description than having much to do with tunnel configuration protocol.=20= Should be separated. Only solutions I believe we could do are signed reverse tree or manual configuration. Others wont scale or work. =20 Draft is weak on security. (Savola) I don't buy argument anycast can't be secured. (Kurtis) As a user I don't know if network is secure or not (i.e. is anycast address configured locally or leaked from somewhere else - no way to verify). (Savola) Could also spoof DNS! (Miakawa) I agree with Pekka. =46rom ISP point of view we don=92t care. = =20 Need username or password off client anyway. (Savola) TC and TEP discovery could be deployed without username or passwd and just use IPv4 access authentication. (Kurtis) ISP may not care less, but me as a user, I do. No idea who is receiving anycast traffic. (Williams) With millions of users we need to load balance tunnel servers, can't statically allocate? (Durand) Layer 4 load balancer? (Narten) Dynamic discovery can be good, but is it a strong requirement? Or is it 'needed' because it's nice to have. Wrap up ------------ (Durand) Time to wrap up. [Question] (Durand) How many people interested in TC work for 6 in 4 or 4 = in 6 only? - Lots, maybe 50% (Durand) For any kind of tunnels? Times New Roman- TimesFew, maybe 10 (Meyer) Would be to everyone's benefit to find balance of IPv6 need and generic solution for other uses. (Kurtis) We don't know enough yet. Getting a consolidated effort across WGs doing this would be useful. (Ron Bonica) Suggest rule out any solution that can't be generalized to other domains. (Savola) Need to analyze generic issue if we go wider, else lose IPv6 deadlines (Hinden) Have a zillion tunnel protocols and I don't see advantage of new generic one. I vote for limited scope. (Durand) (hat off) example of the schizophrenia of IETF - requirements analysis vs desire to be generic... ball going back and forth. =20 Chances of success higher if we stay focused on IPv6. (Townsley) Naive to think we'd create something to kill other protocols. (Narten) Brokers are being shipped - why is that not good enough? [Question] (Narten) Go with TSP as is? - about 10 people (Durand) Is TSP good enough to get by on? - about 10/20 people (Durand) Need something more? - less than 10 people (Narten) Which ISPs need to solve this problem? Times New Roman- Times4 people Times New Roman = Times (Parent) TSP is just a draft - need expert review (Thaler) Maybe L2TP is enough? TSP doesn't solve TEP discovery. [Question] (Durand) Who wants TEP discovery solved? - 12 yes (Durand) And not? Times New Roman- Timesnone (Miakawa) Need implementations. Only Hexago client is GPL. =20 (Savola) need to pick the TC protocol before pick TEP discovery (Townsley) Why not separate? (Savola) If some using L2TP, TSP, then can't assume same service elements in place, need to make it interoperable. 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Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc --Apple-Mail-11--270282577-- From v6tc-bounces@ietf.org Tue Apr 12 16:26:15 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA06513; Tue, 12 Apr 2005 16:26:15 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLS7K-0005xL-NL; Tue, 12 Apr 2005 16:36:15 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLRx3-0002o2-3T; Tue, 12 Apr 2005 16:25:37 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLRx1-0002eN-Ef for v6tc@megatron.ietf.org; Tue, 12 Apr 2005 16:25:35 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA06197 for ; Tue, 12 Apr 2005 16:25:25 -0400 (EDT) Received: from 213-136-24-43.adsl.bit.nl ([213.136.24.43] helo=purgatory.unfix.org ident=postfix) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLS6U-0005qR-7f for v6tc@ietf.org; Tue, 12 Apr 2005 16:35:25 -0400 Received: from firenze.zurich.ibm.com (pat.zurich.ibm.com [195.176.20.45]) (using SSLv3 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by purgatory.unfix.org (Postfix) with ESMTP id 1B6CC8687; Tue, 12 Apr 2005 22:25:08 +0200 (CEST) Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: Jeroen Massar To: Fred Baker In-Reply-To: <23ec6165fdb2ab7b2f3946e45caef796@cisco.com> References: <425395F8.50501@renater.fr> <4253EBCF.8030800@renater.fr> <20050412143053.GQ22380@login.ecs.soton.ac.uk> <23ec6165fdb2ab7b2f3946e45caef796@cisco.com> Organization: Unfix Date: Tue, 12 Apr 2005 22:25:03 +0200 Message-Id: <1113337503.25395.80.camel@firenze.zurich.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.1.1 X-Spam-Score: 0.0 (/) X-Scan-Signature: 7fa173a723009a6ca8ce575a65a5d813 Cc: "'v6ops@ops.ietf.org '" , v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0404484946==" Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: a1852b4f554b02e7e4548cc7928acc1f --===============0404484946== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-LnwAzdPXsS6PlxThkM3y" --=-LnwAzdPXsS6PlxThkM3y Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Wed, 2005-04-13 at 02:44 +0800, Fred Baker wrote: > I'm perfectly happy to standardize on existing types of tunnels -=20 > IPsec, GRE, IPv4/IPv6, IPv4/IPv4, IPv6/IPv4, IPv6/IPv6, L2TP, or=20 > whatever. If we don't solve the rendezvous problem (and btw communicate=20 > to the peer what kind of tunnel a given gateway is willing to support)=20 > we have not *touched* the transition problem. L2TP seems to cover the hole quite well. Except for the fact that there is no discovery and the datastream of L2TPv2, as LTPv3 has some magic stuff to fix it, can easily be spoofed, just like proto-41. IPSec can solve this, but requires authentication and external setup again. L2TP covers imho 90% of the cases. But... if you don't have a PPP infra it will be (harder) to setup. And it doesn't allow for quick mobility like in AYIYA or proto41+heartbeat. Thus when switching IP addresses (walking to another floor with your wireless) the tunnel needs to notice (L2TP StopCCN) that it is failing and renegotiate, which takes a few secs, not more, but might give a different IP etc as it will do RA's again or DHCPv6, which might take a bit longer and most likely will break your SSH session if you like this. But we are not standardizing Mobile IP here ;) It might be, according to some that L2TP+PPP is heavy code, including definitions about 2k lines of code for a minimal implementation that works. Overhead of a L2TP tunnel including PPP is minimal. At least it won't be noticed much when you are streaming video's over your neato G3's or whatever cellphone. Btw, anonymous tunnels in L2TP can be solved by not letting the server request authentication and letting it reject auth attempts from the client. Though I have not been able to verify how many servers support this. TSP or a similar protocol is IMHO a must, because L2TP simply can't be deployed everywhere and better, not everybody wants it: Market::Decide() TSP is handy in all cases, it can also have a template pointing to a L2TP server etc. Next to that there is a client available for all platforms. As for the point made in the minutes that there is only one implementation, AICCU will support TSP too as an option in the near future. > And what I would like to see happen is for someone, somewhere - and=20 > note that I am very willing to do this in v6ops if people want and also=20 > willing to send it to v6tc or wherever else - to solve that rendezvous=20 > problem. As a result, I would like to see the various competing=20 > transition strategies all rendered OBE and get everyone to converge on=20 > a single transition approach. I've finally submitted my "_service" draft to the secretariat, it should appear shortly in dnsop. I'll forward it to v6ops + v6tc when it is there. In "short": Anycast prefix 1.2.3.0/24, on which on 1.2.3.53 there is a DNS server listening. This is a (caching) recursive server which can be used for looking up anything (www.google.com www.ietf.org etc). It is also authoritive for the "_service." domain, in which we stick SRV records. Usually _service is a DNAME to _service.example.net. Which fulfills the searchpath, if the user does not have this special DNS server configured, but does have it's ISP's domain in the searchpath, then the resolver will come to _service.example.net because of the searchpath. Thus, client gets turned on, it gets connectivity, it needs to lookup something, resolver is default configured to 1.2.3.53, resolving thus works. The prefix is anycasted by it's or another ISP, who can filter on wish etc. If user needs a service, eg SMTP, it resolves the SMTP SRV records, which can specify load balancing and other stuff. Same for POP3, IMAP, or lookup eg help.www._service which returns a TXT record to the URL of the servicedesk of the ISP you are using. For the v6ops/v6tc case a client can first try l2tp.ipv6._service if that exists, use it, then try tsp.ipv6._service, if that exists, use that one. Discovery solved in the most generic way. It does indeed take a couple of resolves, but hey people want it automatically. As for the ones screaming "but I don't want a default thing" then configure the client you are using for doing this. Of course a similar prefix for IPv6 so that this also solves dns configuration. Another good thing is that, assuming you have connectivity you will always have the closest dns server, also ISP's can then nicely block all the RFC1918 registrations in those, but that is most likely just a good hope from me, most don't even filter... Greets, Jeroen --=-LnwAzdPXsS6PlxThkM3y Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Jeroen Massar / http://unfix.org/~jeroen/ iD8DBQBCXC6fKaooUjM+fCMRAlB0AKCZp3HAlVnHsxo08hihz3xNKppSiACfYdUK C1LjqBDiT42H5j0mKxKByjY= =W+nC -----END PGP SIGNATURE----- --=-LnwAzdPXsS6PlxThkM3y-- --===============0404484946== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc --===============0404484946==-- From v6tc-bounces@ietf.org Tue Apr 12 16:56:52 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA10357; Tue, 12 Apr 2005 16:56:52 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLSay-0007Pr-BF; Tue, 12 Apr 2005 17:06:53 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLS8G-0004J7-TW; Tue, 12 Apr 2005 16:37:12 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLS8G-0004Ih-5M for v6tc@megatron.ietf.org; Tue, 12 Apr 2005 16:37:12 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA08095 for ; Tue, 12 Apr 2005 16:37:01 -0400 (EDT) Received: from sj-iport-5.cisco.com ([171.68.10.87]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLSHm-0006Tj-2p for v6tc@ietf.org; Tue, 12 Apr 2005 16:47:02 -0400 Received: from sj-core-4.cisco.com (171.68.223.138) by sj-iport-5.cisco.com with ESMTP; 12 Apr 2005 13:36:54 -0700 Received: from imail.cisco.com (imail.cisco.com [128.107.200.91]) by sj-core-4.cisco.com (8.12.10/8.12.6) with ESMTP id j3CKap05017665; Tue, 12 Apr 2005 13:36:52 -0700 (PDT) Received: from [210.72.28.195] (tky-vpn-client-230-23.cisco.com [10.70.230.23]) by imail.cisco.com (8.12.11/8.12.10) with ESMTP id j3CKSJTN031231; Tue, 12 Apr 2005 13:28:20 -0700 In-Reply-To: <1113337503.25395.80.camel@firenze.zurich.ibm.com> References: <425395F8.50501@renater.fr> <4253EBCF.8030800@renater.fr> <20050412143053.GQ22380@login.ecs.soton.ac.uk> <23ec6165fdb2ab7b2f3946e45caef796@cisco.com> <1113337503.25395.80.camel@firenze.zurich.ibm.com> Mime-Version: 1.0 (Apple Message framework v619.2) Message-Id: <0df7389c7b1b0e371b1693d86bda2fef@cisco.com> From: Fred Baker Subject: Re: [v6tc] Re: Tunneling and Transition Drafts Date: Wed, 13 Apr 2005 04:36:45 +0800 To: Jeroen Massar X-Pgp-Agent: GPGMail 1.0.2 X-Mailer: Apple Mail (2.619.2) IIM-SIG: v:"1.1"; h:"imail.cisco.com"; d:"cisco.com"; z:"home"; m:"krs"; t:"1113337701.984318"; x:"432200"; a:"rsa-sha1"; b:"nofws:4464"; e:"Iw=="; n:"sQYarK2E51MdcTiUqeif3F7cWdxIfoCiXhdfb9vD5ee/j0jXL15gbFxF2p" "XIweAblu0N6XAgK7k+wrbr7bQDJaCDqOmzqpRUBjIRQAXQ7NzadpmR3pUL6wxaRUtW+c43sl9jC" "50Qg1sXHpPjt8Y+Y16ioyQAQAdSunM4YhevURc="; s:"CFd3Nyp0+q2B+QH2UOJj8o46gHUE2bDekvdPI4NenUjKnjbeBtbghQQO56CQPuVbWGWJz1SJ" "+iOkrkWnoOmDWBfutiSf1ON5q+M1iGZuUW3DFweeon3HGcVBZEHE3DQgWSciTAJDmc/eXEm8tOS" "PJY4++QcPsNbgJrvdR0tkrZA="; c:"From: Fred Baker "; c:"Subject: Re: [v6tc] Re: Tunneling and Transition Drafts"; c:"Date: Wed, 13 Apr 2005 04:36:45 +0800" IIM-VERIFY: s:"y"; v:"y"; r:"60"; h:"imail.cisco.com"; c:"message from imail.cisco.com verified; " X-Spam-Score: 0.0 (/) X-Scan-Signature: 67c1ea29f88502ef6a32ccec927970f0 Cc: "'v6ops@ops.ietf.org '" , v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0828379836==" Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: f49c97ce49302a02285a2d36a99eef8c --===============0828379836== Content-Type: multipart/signed; protocol="application/pgp-signature"; micalg=pgp-sha1; boundary="Apple-Mail-10--260463903" --Apple-Mail-10--260463903 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Realistically, I think all of the various tunneling technologies will in fact be used. The important question is the rendezvous problem. On Apr 13, 2005, at 4:25 AM, Jeroen Massar wrote: > On Wed, 2005-04-13 at 02:44 +0800, Fred Baker wrote: > >> I'm perfectly happy to standardize on existing types of tunnels - >> IPsec, GRE, IPv4/IPv6, IPv4/IPv4, IPv6/IPv4, IPv6/IPv6, L2TP, or >> whatever. If we don't solve the rendezvous problem (and btw >> communicate to the peer what kind of tunnel a given gateway is >> willing to support) we have not *touched* the transition problem. > > L2TP seems to cover the hole quite well. Except for the fact that > there is no discovery and the datastream of L2TPv2, as LTPv3 has some > magic stuff to fix it, can easily be spoofed, just like proto-41. > IPSec can solve this, but requires authentication and external setup > again. > > L2TP covers imho 90% of the cases. But... if you don't have a PPP > infra it will be (harder) to setup. And it doesn't allow for quick > mobility like in AYIYA or proto41+heartbeat. Thus when switching IP > addresses (walking to another floor with your wireless) the tunnel > needs to notice (L2TP StopCCN) that it is failing and renegotiate, > which takes a few secs, not more, but might give a different IP etc as > it will do RA's again or DHCPv6, which might take a bit longer and > most likely will break your SSH session if you like this. But we are > not standardizing Mobile IP here ;) > > It might be, according to some that L2TP+PPP is heavy code, including > definitions about 2k lines of code for a minimal implementation that > works. Overhead of a L2TP tunnel including PPP is minimal. At least it > won't be noticed much when you are streaming video's over your neato > G3's or whatever cellphone. > > Btw, anonymous tunnels in L2TP can be solved by not letting the server > request authentication and letting it reject auth attempts from the > client. Though I have not been able to verify how many servers support > this. > > TSP or a similar protocol is IMHO a must, because L2TP simply can't be > deployed everywhere and better, not everybody wants it: > Market::Decide() TSP is handy in all cases, it can also have a > template pointing to a L2TP server etc. Next to that there is a client > available for all platforms. > > As for the point made in the minutes that there is only one > implementation, AICCU will support TSP too as an option in the near > future. > >> And what I would like to see happen is for someone, somewhere - and >> note that I am very willing to do this in v6ops if people want and >> also willing to send it to v6tc or wherever else - to solve that >> rendezvous problem. As a result, I would like to see the various >> competing transition strategies all rendered OBE and get everyone to >> converge on a single transition approach. > > I've finally submitted my "_service" draft to the secretariat, it > should appear shortly in dnsop. I'll forward it to v6ops + v6tc when > it is there. > > In "short": > > Anycast prefix 1.2.3.0/24, on which on 1.2.3.53 there is a DNS server > listening. This is a (caching) recursive server which can be used for > looking up anything (www.google.com www.ietf.org etc). It is also > authoritive for the "_service." domain, in which we stick SRV records. > Usually _service is a DNAME to _service.example.net. Which fulfills > the searchpath, if the user does not have this special DNS server > configured, but does have it's ISP's domain in the searchpath, then > the resolver will come to _service.example.net because of the > searchpath. > > Thus, client gets turned on, it gets connectivity, it needs to lookup > something, resolver is default configured to 1.2.3.53, resolving thus > works. The prefix is anycasted by it's or another ISP, who can filter > on wish etc. If user needs a service, eg SMTP, it resolves the SMTP > SRV records, which can specify load balancing and other stuff. Same > for POP3, IMAP, or lookup eg help.www._service which returns a TXT > record to the URL of the servicedesk of the ISP you are using. > > For the v6ops/v6tc case a client can first try l2tp.ipv6._service if > that exists, use it, then try tsp.ipv6._service, if that exists, use > that one. Discovery solved in the most generic way. It does indeed > take a couple of resolves, but hey people want it automatically. As > for the ones screaming "but I don't want a default thing" then > configure the client you are using for doing this. > > Of course a similar prefix for IPv6 so that this also solves dns > configuration. Another good thing is that, assuming you have > connectivity you will always have the closest dns server, also ISP's > can then nicely block all the RFC1918 registrations in those, but that > is most likely just a good hope from me, most don't even filter... > > Greets, > Jeroen > --Apple-Mail-10--260463903 content-type: application/pgp-signature; x-mac-type=70674453; name=PGP.sig content-description: This is a digitally signed message part content-disposition: inline; filename=PGP.sig Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (Darwin) iD8DBQFCXDFdbjEdbHIsm0MRAtPgAKD1rizcQhQMK+q6I5euM62CXpdVQwCgsvGg bSENMyTVeCZbQvM5pzwa+Fo= =thwz -----END PGP SIGNATURE----- --Apple-Mail-10--260463903-- --===============0828379836== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc --===============0828379836==-- From v6tc-bounces@ietf.org Tue Apr 12 17:06:29 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id RAA11482; Tue, 12 Apr 2005 17:06:29 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLSkH-0007tI-M6; Tue, 12 Apr 2005 17:16:30 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLSBo-0004ox-Bb; Tue, 12 Apr 2005 16:40:52 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLSBl-0004oC-Ut for v6tc@megatron.ietf.org; Tue, 12 Apr 2005 16:40:50 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA08535 for ; Tue, 12 Apr 2005 16:40:39 -0400 (EDT) Received: from 213-136-24-43.adsl.bit.nl ([213.136.24.43] helo=purgatory.unfix.org ident=postfix) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLSLI-0006fH-Bt for v6tc@ietf.org; Tue, 12 Apr 2005 16:50:40 -0400 Received: from firenze.zurich.ibm.com (pat.zurich.ibm.com [195.176.20.45]) (using SSLv3 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by purgatory.unfix.org (Postfix) with ESMTP id 538648687; Tue, 12 Apr 2005 22:40:37 +0200 (CEST) Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: Jeroen Massar To: Fred Baker In-Reply-To: <0df7389c7b1b0e371b1693d86bda2fef@cisco.com> References: <425395F8.50501@renater.fr> <4253EBCF.8030800@renater.fr> <20050412143053.GQ22380@login.ecs.soton.ac.uk> <23ec6165fdb2ab7b2f3946e45caef796@cisco.com> <1113337503.25395.80.camel@firenze.zurich.ibm.com> <0df7389c7b1b0e371b1693d86bda2fef@cisco.com> Organization: Unfix Date: Tue, 12 Apr 2005 22:40:35 +0200 Message-Id: <1113338435.25395.83.camel@firenze.zurich.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.1.1 X-Spam-Score: 0.0 (/) X-Scan-Signature: e5ba305d0e64821bf3d8bc5d3bb07228 Cc: "'v6ops@ops.ietf.org '" , v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0238410573==" Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 538aad3a3c4f01d8b6a6477ca4248793 --===============0238410573== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-YRIarwF9YNMnd9ZvKZQ3" --=-YRIarwF9YNMnd9ZvKZQ3 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Wed, 2005-04-13 at 04:36 +0800, Fred Baker wrote: > Realistically, I think all of the various tunneling technologies will=20 > in fact be used. The important question is the rendezvous problem. Full ack. Which is why I decided to stick most of them into AICCU ;) Has a BSD-alike license so vendors can abuse it if they want to. Greets, Jeroen --=-YRIarwF9YNMnd9ZvKZQ3 Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Jeroen Massar / http://unfix.org/~jeroen/ iD8DBQBCXDJDKaooUjM+fCMRAsrSAJ99H/atdgKeiiVX/K5q+ArVv5KPFwCfSkRN Ixy8lW0kioKAtvnLlPK9oM4= =0TLj -----END PGP SIGNATURE----- --=-YRIarwF9YNMnd9ZvKZQ3-- --===============0238410573== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc --===============0238410573==-- From v6tc-bounces@ietf.org Wed Apr 13 05:33:54 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA09250; Wed, 13 Apr 2005 05:33:54 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLePg-000189-RW; Wed, 13 Apr 2005 05:44:02 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLeDe-000299-Gs; Wed, 13 Apr 2005 05:31:34 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLeDc-00027G-G4 for v6tc@megatron.ietf.org; Wed, 13 Apr 2005 05:31:32 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA08918 for ; Wed, 13 Apr 2005 05:31:22 -0400 (EDT) Received: from 213-136-24-43.adsl.bit.nl ([213.136.24.43] helo=purgatory.unfix.org ident=postfix) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLeNF-00011z-E3 for v6tc@ietf.org; Wed, 13 Apr 2005 05:41:29 -0400 Received: from firenze.zurich.ibm.com (pat.zurich.ibm.com [195.176.20.45]) (using SSLv3 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by purgatory.unfix.org (Postfix) with ESMTP id 2224A897B; Wed, 13 Apr 2005 11:31:11 +0200 (CEST) Subject: Re: [v6tc] Re: Tunneling and Transition Drafts From: Jeroen Massar To: Ronald.vanderPol@rvdp.org In-Reply-To: <20050413090132.GD28016@sara.nl> References: <425395F8.50501@renater.fr> <4253EBCF.8030800@renater.fr> <20050412143053.GQ22380@login.ecs.soton.ac.uk> <23ec6165fdb2ab7b2f3946e45caef796@cisco.com> <20050413090132.GD28016@sara.nl> Organization: Unfix Date: Wed, 13 Apr 2005 11:31:09 +0200 Message-Id: <1113384669.3801.32.camel@firenze.zurich.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.1.1 X-Spam-Score: 0.0 (/) X-Scan-Signature: 34d35111647d654d033d58d318c0d21a Cc: "'v6ops@ops.ietf.org '" , v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0010099854==" Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 825e642946eda55cd9bc654a36dab8c2 --===============0010099854== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-DIXyZ/AbBfHrirQfpy9M" --=-DIXyZ/AbBfHrirQfpy9M Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Wed, 2005-04-13 at 11:01 +0200, Ronald.vanderPol@rvdp.org wrote: > On Wed, Apr 13, 2005 at 02:44:49 +0800, Fred Baker wrote: > > At that point we have to solve a rendezvous problem. When two of one=20 > > kind of host need to communicate over a network of the other kind, we=20 > > obviously want to tunnel. >=20 > The 6bone ended up in a useless tunnel mess. Keep it simple has always > turned out to be the best approach. I think a dual-stack network is > easier to manage than a tunneled network. When users on an IPv4-only > network want to use IPv6-only services, they should convince the network > managers to upgrade to dual-stack. Otherwise, the tunnel mess will stay > forever, because there is no incentive to upgrade to dual-stack. Of course dual-stack is the way to go, but the biggest reason that people do not upgrade to dual-stack is the lack of support in their hardware. If they where able to dual-stack stuff, they would not even bother with tunneling. Also we are talking about tunneling inside the same AS here, not like the 6bone globally. A packet over a tunnel will thus have 90% the same path it would take when being native. See my traceroutes below, I'll post the diffs to the native path when it becomes native as my ISP indeed moved to their own ATM trunk and now can provide it natively, before they couldn't as the technology didn't allow for it. > Isn't the main reason for tunneling the fact that too few networks are > deploying IPv6? Trying to force IPv6 deployment by creating complicated > tunnel overlays seems to me like wrong engineering. No, the main reason seems to be support and stability. Also, they don't earn money selling IPv6 thus they are not allowed politically to deploy it. Greets, Jeroen -- IPv4: jeroen@purgatory:~$ traceroute www.bit.nl traceroute to http-unix.bip.bit.nl (213.136.12.232), 64 hops max, 40 byte packets 1 213-136-24-1.adsl.bit.nl (213.136.24.1) 12 ms 11 ms 11 ms 2 i49.ge-0-1-0.jun1.kelvin.network.bit.nl (213.136.31.33) 11 ms 22 ms 11 ms 3 http.lb.network.bit.nl (213.136.12.232) 12 ms 11 ms 11 ms IPv6: jeroen@purgatory:~$ traceroute6 www.bit.nl traceroute to http-unix.bip.bit.nl (2001:7b8:3:5::80:1) from 2001:7b8:300:0:290:27ff:fe24:c19f, 30 hops max, 16 byte packets 1 gw-1.ede-01.nl.sixxs.net (2001:7b8:2ff::1) 16.866 ms 13.277 ms 13.863 ms 2 sixxs-gw.ipv6.network.bit.nl (2001:7b8:3:4f:290:6900:4fc6:d81f) 13.697 ms 13.612 ms 19.932 ms 3 2001:7b8:3:5::80:1 (2001:7b8:3:5::80:1) 12.444 ms 19.834 ms 13.277 ms And just in case one is wondering, the tunnel box is found over this path: jeroen@purgatory:~$ traceroute nlede01.sixxs.net traceroute to nlede01.sixxs.net (193.109.122.244), 64 hops max, 40 byte packets 1 213-136-24-1.adsl.bit.nl (213.136.24.1) 12 ms 11 ms 11 ms 2 i49.ge-0-1-0.jun1.kelvin.network.bit.nl (213.136.31.33) 11 ms 11 ms 11 ms 3 nlede01.sixxs.net (193.109.122.244) 13 ms 11 ms 10 ms Which explains the 1ms difference in latency ;) --=-DIXyZ/AbBfHrirQfpy9M Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Jeroen Massar / http://unfix.org/~jeroen/ iD8DBQBCXObdKaooUjM+fCMRAleKAJ9EAXkzVMtm19dyTuJb/bYCbbi5IQCeN/Dp 3OpV8/hza4X6/4GpUbi6Ok4= =s13A -----END PGP SIGNATURE----- --=-DIXyZ/AbBfHrirQfpy9M-- --===============0010099854== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc --===============0010099854==-- From v6tc-bounces@ietf.org Wed Apr 13 05:47:33 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA10091; Wed, 13 Apr 2005 05:47:33 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLecv-0001To-4P; Wed, 13 Apr 2005 05:57:41 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLeQI-00057K-OI; Wed, 13 Apr 2005 05:44:38 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLeQH-00056l-9F for v6tc@megatron.ietf.org; Wed, 13 Apr 2005 05:44:37 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA09837 for ; Wed, 13 Apr 2005 05:44:34 -0400 (EDT) Received: from raven.ecs.soton.ac.uk ([152.78.70.1]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLea1-0001M6-AV for v6tc@ietf.org; Wed, 13 Apr 2005 05:54:42 -0400 Received: from magpie.ecs.soton.ac.uk (magpie.ecs.soton.ac.uk [152.78.68.131]) by raven.ecs.soton.ac.uk (8.12.10/8.12.10) with ESMTP id j3D9iTi3000413; Wed, 13 Apr 2005 10:44:29 +0100 (BST) Received: from login.ecs.soton.ac.uk (IDENT:root@login [152.78.68.162]) by magpie.ecs.soton.ac.uk (8.9.3/8.9.3) with ESMTP id KAA16726; Wed, 13 Apr 2005 10:44:28 +0100 (BST) Received: (from tjc@localhost) by login.ecs.soton.ac.uk (8.11.6/8.11.6) id j3D9iSd27831; Wed, 13 Apr 2005 10:44:28 +0100 Date: Wed, 13 Apr 2005 10:44:28 +0100 From: Tim Chown To: v6tc@ietf.org, "'v6ops@ops.ietf.org '" Subject: Re: [v6tc] Re: Tunneling and Transition Drafts Message-ID: <20050413094428.GE26674@login.ecs.soton.ac.uk> Mail-Followup-To: v6tc@ietf.org, "'v6ops@ops.ietf.org '" References: <425395F8.50501@renater.fr> <4253EBCF.8030800@renater.fr> <20050412143053.GQ22380@login.ecs.soton.ac.uk> <23ec6165fdb2ab7b2f3946e45caef796@cisco.com> <20050413090132.GD28016@sara.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050413090132.GD28016@sara.nl> User-Agent: Mutt/1.4i X-MailScanner-Information: Please contact helpdesk@ecs.soton.ac.uk for more information X-ECS-MailScanner: Found to be clean X-MailScanner-From: tjc@smtp.ecs.soton.ac.uk X-Spam-Score: 0.0 (/) X-Scan-Signature: 9466e0365fc95844abaf7c3f15a05c7d X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 97adf591118a232206bdb5a27b217034 On Wed, Apr 13, 2005 at 11:01:32AM +0200, Ronald.vanderPol@rvdp.org wrote: > > > But it also misses something basic - the value that IPv6 brings to the > > party is mostly related to increasing the address pool. If that is not > > true, if we have enough IPv4 addresses that we can build parallel > > networks everywhere, then we don't need a new protocol in the first > > place. If it is true (and it is) then you have to assume that there > > will be edge networks and service networks that are IPv6-only or > > IPv6-dominant pretty early - pick your reason. Once you have an > > IPv6-only/dominant service network, you have the question of IPv4 hosts > > having to use it to communicate over it, IPv6-only/dominant hosts > > needing to communicate over IPv4-only/dominant networks, and IPv6-only > > hosts needing to communicate with IPv4-only hosts. > > You seem to assume also that upgrading the IPv4-only network to dual > stack is not an option. Between networks the "enough IPv4 addresses that we can build parallel networks everywhere" argument works, for the ISP systems. In end user or customer systems, I would expect we'll see a lot of dual stack that is IPv4+NAT alongside global IPv6. From the ISP perspective what they might see now is a handul of users achieving that by using a tunnel broker (probably not one run by the ISP itself) and the challenge is offering (native, dual-stack) IPv6 from the ISP infrastructure directly. -- Tim/::1 _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Wed Apr 13 05:53:42 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA10619; Wed, 13 Apr 2005 05:53:42 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLeis-0001el-76; Wed, 13 Apr 2005 06:03:50 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLeYe-0006xS-37; Wed, 13 Apr 2005 05:53:16 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLeYc-0006wb-6K for v6tc@megatron.ietf.org; Wed, 13 Apr 2005 05:53:14 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA10496 for ; Wed, 13 Apr 2005 05:53:03 -0400 (EDT) Received: from sj-iport-1-in.cisco.com ([171.71.176.70] helo=sj-iport-1.cisco.com) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLeiF-0001ca-IH for v6tc@ietf.org; Wed, 13 Apr 2005 06:03:11 -0400 Received: from sj-core-5.cisco.com (171.71.177.238) by sj-iport-1.cisco.com with ESMTP; 13 Apr 2005 02:52:57 -0700 X-IronPort-AV: i="3.92,97,1112598000"; d="scan'208"; a="628392404:sNHT30954752" Received: from imail.cisco.com (imail.cisco.com [128.107.200.91]) by sj-core-5.cisco.com (8.12.10/8.12.6) with ESMTP id j3D9qsJd007859; Wed, 13 Apr 2005 02:52:54 -0700 (PDT) Received: from [61.48.216.25] (sjc-vpn2-135.cisco.com [10.21.112.135]) by imail.cisco.com (8.12.11/8.12.10) with ESMTP id j3D9iKKe003668; Wed, 13 Apr 2005 02:44:21 -0700 In-Reply-To: <20050413090132.GD28016@sara.nl> References: <425395F8.50501@renater.fr> <4253EBCF.8030800@renater.fr> <20050412143053.GQ22380@login.ecs.soton.ac.uk> <23ec6165fdb2ab7b2f3946e45caef796@cisco.com> <20050413090132.GD28016@sara.nl> Mime-Version: 1.0 (Apple Message framework v619.2) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: Content-Transfer-Encoding: 7bit From: Fred Baker Subject: Re: [v6tc] Re: Tunneling and Transition Drafts Date: Wed, 13 Apr 2005 17:52:51 +0800 To: Ronald.vanderPol@rvdp.org X-Mailer: Apple Mail (2.619.2) IIM-SIG: v:"1.1"; h:"imail.cisco.com"; d:"cisco.com"; z:"home"; m:"krs"; t:"1113385462.661561"; x:"432200"; a:"rsa-sha1"; b:"nofws:1498"; e:"Iw=="; n:"sQYarK2E51MdcTiUqeif3F7cWdxIfoCiXhdfb9vD5ee/j0jXL15gbFxF2p" "XIweAblu0N6XAgK7k+wrbr7bQDJaCDqOmzqpRUBjIRQAXQ7NzadpmR3pUL6wxaRUtW+c43sl9jC" "50Qg1sXHpPjt8Y+Y16ioyQAQAdSunM4YhevURc="; s:"MU4j9m9NQar4m5gbvflNJrpMhtHd9pp6Ah1y/RAl73DSAilabVvEk8wxXqGF7Nw3OIM46zSg" "sjs8UKDX6jUs/90urGu2Hmc18VuHkzdttg/WiupEodClqAUdtegrVt4vnvkU4I7jpU/qcdGvuhC" "iwzOKh3ZoruB9Bj/aDsNmGr4="; c:"From: Fred Baker "; c:"Subject: Re: [v6tc] Re: Tunneling and Transition Drafts"; c:"Date: Wed, 13 Apr 2005 17:52:51 +0800" IIM-VERIFY: s:"y"; v:"y"; r:"60"; h:"imail.cisco.com"; c:"message from imail.cisco.com verified; " X-Spam-Score: 0.0 (/) X-Scan-Signature: 97adf591118a232206bdb5a27b217034 Content-Transfer-Encoding: 7bit Cc: "'v6ops@ops.ietf.org '" , v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.0 (/) X-Scan-Signature: 8b30eb7682a596edff707698f4a80f7d Content-Transfer-Encoding: 7bit On Apr 13, 2005, at 5:01 PM, Ronald.vanderPol@rvdp.org wrote: >> But it also misses something basic - the value that IPv6 brings to >> the party is mostly related to increasing the address pool. If that >> is not true, if we have enough IPv4 addresses that we can build >> parallel networks everywhere, then we don't need a new protocol in >> the first place. If it is true (and it is) then you have to assume >> that there will be edge networks and service networks that are >> IPv6-only or IPv6-dominant pretty early - pick your reason. Once you >> have an IPv6-only/dominant service network, you have the question of >> IPv4 hosts having to use it to communicate over it, >> IPv6-only/dominant hosts needing to communicate over >> IPv4-only/dominant networks, and IPv6-only hosts needing to >> communicate with IPv4-only hosts. > > You seem to assume also that upgrading the IPv4-only network to dual > stack is not an option. No. I presume that it is optional, and I know of a number of networks that as we speak are deploying in a form that Jim Bound at the March meeting described as "ipv6-only"or "ipv6-dominant". IPv6-only is what it sounds like; IPv6-dominant is the case where a network deploys dual stacked but offers no IPv4 service to its customers. > Isn't the main reason for tunneling the fact that too few networks are > deploying IPv6? Trying to force IPv6 deployment by creating > complicated tunnel overlays seems to me like wrong engineering. In the discussion I had with a university network this afternoon, it was to connect the IPv4 islands over the central IPv6 infrastructure. Yes, we had that discussion too, and continue to have it. But I have never particularly noticed that the fact that I thought my customer was doing something unnecessarily self-limiting ever made much of a dent. _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Wed Apr 13 05:56:34 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA10822; Wed, 13 Apr 2005 05:56:33 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLeld-0001j1-ME; Wed, 13 Apr 2005 06:06:41 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLeaG-0007Le-Tt; Wed, 13 Apr 2005 05:54:56 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLdlL-0004uZ-Uy for v6tc@megatron.ietf.org; Wed, 13 Apr 2005 05:02:20 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA07179 for ; Wed, 13 Apr 2005 05:02:09 -0400 (EDT) Received: from rvdp.sara.nl ([145.100.24.109]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLduy-0000Mc-IP for v6tc@ietf.org; Wed, 13 Apr 2005 05:12:16 -0400 Received: from rvdp.sara.nl (localhost [127.0.0.1]) by rvdp.sara.nl (8.13.3/8.12.11) with ESMTP id j3D91XdT016969; Wed, 13 Apr 2005 11:01:33 +0200 (CEST) Received: (from rvdp@localhost) by rvdp.sara.nl (8.13.3/8.12.11/Submit) id j3D91WCx007835; Wed, 13 Apr 2005 11:01:32 +0200 (CEST) Date: Wed, 13 Apr 2005 11:01:32 +0200 From: Ronald.vanderPol@rvdp.org To: Fred Baker Subject: Re: [v6tc] Re: Tunneling and Transition Drafts Message-ID: <20050413090132.GD28016@sara.nl> References: <425395F8.50501@renater.fr> <4253EBCF.8030800@renater.fr> <20050412143053.GQ22380@login.ecs.soton.ac.uk> <23ec6165fdb2ab7b2f3946e45caef796@cisco.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <23ec6165fdb2ab7b2f3946e45caef796@cisco.com> User-Agent: Mutt/1.4.2.1i X-Spam-Score: 0.3 (/) X-Scan-Signature: e1e48a527f609d1be2bc8d8a70eb76cb X-Mailman-Approved-At: Wed, 13 Apr 2005 05:54:54 -0400 Cc: "'v6ops@ops.ietf.org '" , v6tc@ietf.org X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.3 (/) X-Scan-Signature: 4adaf050708fb13be3316a9eee889caa On Wed, Apr 13, 2005 at 02:44:49 +0800, Fred Baker wrote: > The key question is how one enables two systems to talk with each > other. This is trivial if we have a parallel implementation - dual > stacks in both hosts and the entire network. In that case, pick one and > go with it, and those systems that have not yet turned on IPv6 use > IPv4. That is already a pretty strong recommendation. Right. > But it also misses something basic - the value that IPv6 brings to the > party is mostly related to increasing the address pool. If that is not > true, if we have enough IPv4 addresses that we can build parallel > networks everywhere, then we don't need a new protocol in the first > place. If it is true (and it is) then you have to assume that there > will be edge networks and service networks that are IPv6-only or > IPv6-dominant pretty early - pick your reason. Once you have an > IPv6-only/dominant service network, you have the question of IPv4 hosts > having to use it to communicate over it, IPv6-only/dominant hosts > needing to communicate over IPv4-only/dominant networks, and IPv6-only > hosts needing to communicate with IPv4-only hosts. You seem to assume also that upgrading the IPv4-only network to dual stack is not an option. > At that point we have to solve a rendezvous problem. When two of one > kind of host need to communicate over a network of the other kind, we > obviously want to tunnel. The 6bone ended up in a useless tunnel mess. Keep it simple has always turned out to be the best approach. I think a dual-stack network is easier to manage than a tunneled network. When users on an IPv4-only network want to use IPv6-only services, they should convince the network managers to upgrade to dual-stack. Otherwise, the tunnel mess will stay forever, because there is no incentive to upgrade to dual-stack. Isn't the main reason for tunneling the fact that too few networks are deploying IPv6? Trying to force IPv6 deployment by creating complicated tunnel overlays seems to me like wrong engineering. rvdp _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc From v6tc-bounces@ietf.org Wed Apr 13 09:36:40 2005 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id JAA25394; Wed, 13 Apr 2005 09:36:40 -0400 (EDT) Received: from megatron.ietf.org ([132.151.6.71]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLiCe-0007OB-4n; Wed, 13 Apr 2005 09:46:49 -0400 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLhvt-00020X-9b; Wed, 13 Apr 2005 09:29:29 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1DLexi-0002wn-SA for v6tc@megatron.ietf.org; Wed, 13 Apr 2005 06:19:10 -0400 Received: from ietf-mx.ietf.org (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA11910 for ; Wed, 13 Apr 2005 06:19:00 -0400 (EDT) Received: from rvdp.sara.nl ([145.100.24.109]) by ietf-mx.ietf.org with esmtp (Exim 4.33) id 1DLf7L-0002DE-AA for v6tc@ietf.org; Wed, 13 Apr 2005 06:29:08 -0400 Received: from rvdp.sara.nl (localhost [127.0.0.1]) by rvdp.sara.nl (8.13.3/8.12.11) with ESMTP id j3DAIUl4009133; Wed, 13 Apr 2005 12:18:30 +0200 (CEST) Received: (from rvdp@localhost) by rvdp.sara.nl (8.13.3/8.12.11/Submit) id j3DAIUlg027262; Wed, 13 Apr 2005 12:18:30 +0200 (CEST) Date: Wed, 13 Apr 2005 12:18:29 +0200 From: Ronald.vanderPol@rvdp.org To: v6tc@ietf.org, "'v6ops@ops.ietf.org '" Subject: Re: [v6tc] Re: Tunneling and Transition Drafts Message-ID: <20050413101829.GE28016@sara.nl> References: <425395F8.50501@renater.fr> <4253EBCF.8030800@renater.fr> <20050412143053.GQ22380@login.ecs.soton.ac.uk> <23ec6165fdb2ab7b2f3946e45caef796@cisco.com> <20050413090132.GD28016@sara.nl> <20050413094428.GE26674@login.ecs.soton.ac.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050413094428.GE26674@login.ecs.soton.ac.uk> User-Agent: Mutt/1.4.2.1i X-Spam-Score: 0.3 (/) X-Scan-Signature: 08170828343bcf1325e4a0fb4584481c X-Mailman-Approved-At: Wed, 13 Apr 2005 09:29:27 -0400 X-BeenThere: v6tc@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: v6tc.ietf.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: v6tc-bounces@ietf.org Errors-To: v6tc-bounces@ietf.org X-Spam-Score: 0.3 (/) X-Scan-Signature: 79899194edc4f33a41f49410777972f8 On Wed, Apr 13, 2005 at 10:44:28 +0100, Tim Chown wrote: > Between networks the "enough IPv4 addresses that we can build parallel > networks everywhere" argument works, for the ISP systems. In end user > or customer systems, I would expect we'll see a lot of dual stack that > is IPv4+NAT alongside global IPv6. From the ISP perspective what they > might see now is a handul of users achieving that by using a tunnel broker > (probably not one run by the ISP itself) and the challenge is offering > (native, dual-stack) IPv6 from the ISP infrastructure directly. I fully agree with this. I was not suggesting to hand out more IPv4 addresses. I was suggesting to hand out more IPv6 addresses and give them them native IPv6 access instead of tunneled access. rvdp _______________________________________________ v6tc mailing list v6tc@ietf.org https://www1.ietf.org/mailman/listinfo/v6tc