Re: [Softwires] map-t to proposed standard rather than experimental

2014-11-17 Thread Rémi Després
, could be to add in view of doubts expressed about RFC4821 practicability after negligible. RD Tom Taylor On 16/11/2014 11:55 AM, Rémi Després wrote: Hi Tom, If a statement proceeds to be added, I propose something like this in the introduction: Warning: on paths that traverse MAP

Re: [Softwires] map-t to proposed standard rather than experimental

2014-11-17 Thread Rémi Després
17 nov. 2014 14:45, Ted Lemon ted.le...@nominum.com : On Nov 17, 2014, at 3:25 AM, Rémi Després despres.r...@laposte.net wrote: If this is true (which isn’t clear to me at all ) wouldn’t RFC4821 deprecation be the right action? Without that, considering here, implicitly, that RFC4821

Re: [Softwires] map-t to proposed standard rather than experimental

2014-11-16 Thread Rémi Després
Le 16 nov. 2014 à 04:54, Ted Lemon ted.le...@nominum.com a écrit : On Nov 15, 2014, at 10:24 AM, Rémi Després despres.r...@laposte.net wrote: This seems to suggest that someone viewed this issue had been a factor in the coin toss. No one did AFAIK, and certainly not me. But this isn’t

Re: [Softwires] map-t to proposed standard rather than experimental

2014-11-16 Thread Rémi Després
Hi Tom, If a statement proceeds to be added, I propose something like this in the introduction: Warning: on paths that traverse MAP-T IPv6 networks, ICMP-independent PathMTU Discovery, as specified in [RFC 4821], ceases to be reliable. (This is because DF=1/MF=1 combination, used in [RFC

Re: [Softwires] map-t to proposed standard rather than experimental

2014-11-15 Thread Rémi Després
15 nov. 2014 01:40, Ted Lemon ted.le...@nominum.com : On Nov 14, 2014, at 12:22 PM, Rémi Després despres.r...@laposte.net wrote: If this is acceptable to whoever wants to deploy MAP-T, in due knowledge of its experimental status, it is not AFAIK acceptable in a standard. I do hear your

Re: [Softwires] map-t to proposed standard rather than experimental

2014-11-15 Thread Rémi Després
nov. 2014 01:40, Ted Lemon ted.le...@nominum.com : On Nov 14, 2014, at 12:22 PM, Rémi Després despres.r...@laposte.net wrote: If this is acceptable to whoever wants to deploy MAP-T, in due knowledge of its experimental status, it is not AFAIK acceptable in a standard. I do

Re: [Softwires] map-t to proposed standard rather than experimental

2014-11-15 Thread Rémi Després
15 nov. 2014 12:32, Ted Lemon ted.le...@nominum.com : It is true that double translation has the problem that the DF bit is not communicated through. This is a limitation of the MAP-T specification. I've asked the authors about this, and they did not deny that this limitation exists,

Re: [Softwires] map-t to proposed standard rather than experimental

2014-11-14 Thread Rémi Després
13 nov. 2014 22:40, Ted Lemon ted.le...@nominum.com : On Nov 13, 2014, at 11:32 AM, Rémi Després despres.r...@laposte.net wrote: (a) Incompatibility with path MTU discovery (standard-track RFC4821) is, in my understanding, sufficient a reason to keep MAP-T experimental. Pretty much

Re: [Softwires] map-t to proposed standard rather than experimental

2014-11-14 Thread Rémi Després
14 nov. 2014 20:35, Ted Lemon ted.le...@nominum.com : On Nov 14, 2014, at 12:49 AM, Rémi Després despres.r...@laposte.net wrote: - Only MAP-T lacks transparency to the IPv4 DF bit. So your concern is that if fragmentation at the translator results in an IPv6 packet that is larger than

Re: [Softwires] map-t to proposed standard rather than experimental

2014-11-13 Thread Rémi Després
Le 13 nov. 2014 à 01:46, Ted Lemon ted.le...@nominum.com a écrit : On Nov 11, 2014, at 11:46 PM, Rémi Després despres.r...@laposte.net wrote: What makes objections to become blocking may be unclear, but I hope that the above will be enough for the WG to maintain its old and wise consensus

Re: [Softwires] map-t to proposed standard rather than experimental

2014-11-13 Thread Rémi Després
Hi Edwin, Thanks for sharing you views. More comments below. ... a result of the directorate reviews and the IESG review, it became clear that the plan to advance MAP-T as experimental didn't make sense. AFAIK, not at all as clear as you say: - If both MAP-E and MAP-T would become standard,

Re: [Softwires] map-t to proposed standard rather than experimental

2014-11-13 Thread Rémi Després
13 nov. 2014 21:00, Ted Lemon ted.le...@nominum.com : On Nov 13, 2014, at 6:29 AM, Rémi Després despres.r...@laposte.net wrote: If the IESG, now proposes 2 standards instead of 1, that’s a choice I view as based on a misunderstanding. The IESG proposes one standard with three profiles

Re: [Softwires] map-t to proposed standard rather than experimental

2014-11-12 Thread Rémi Després
Hi Ted, You are right in that an old decision may always be revisited before casting it in concrete. Yet, changing an old decision has to be done carefully, especially if consequences of the change haven’t been documented. Comments below suggest that wisdom is rather to maintain the old

Re: [Softwires] MAP draft 11 question on fragment ID space reduction

2014-10-16 Thread Rémi Després
Hi, Ole, FWIW, a look at https://tools.ietf.org/html/draft-ietf-softwire-4rd-09#section-4.6.3 might be helpful. Cheers, RD Le 15 oct. 2014 à 15:27, Ole Troan otr...@employees.org a écrit : Ted, et al, there are good arguments going both ways, so apologies for my changing opinion here.

[Softwires] 4rd update concerning NAT64+

2013-05-14 Thread Rémi Després
Dear Sheng, This is to confirm on the WG list what I discussed with you concerning 4rd and NAT64+. 1. Adaptation of the 4rd draft to 6man precluding IID-range reservations, appears to have been incomplete: - Without a 4rd IID-range reservation, a NAT64+ can no longer distinguish 4rd-capable

Re: [Softwires] France Telecom's IPR Statement about 4rd

2013-04-10 Thread Rémi Després
on which the WG, and in particular a knowledgeable contributor like Med, is well placed to conclude . Regards, RD Thanks Suresh On 04/09/2013 11:58 AM, Rémi Després wrote: Dear Med, dear all, I carefully checked France Telecom's IPR statement we just received about 4rd. For reasons

Re: [Softwires] France Telecom's IPR Statement about 4rd

2013-04-10 Thread Rémi Després
Le 2013-04-10 à 11:51, Simon Perreault simon.perrea...@viagenie.ca a écrit : Le 2013-04-10 09:23, Rémi Després a écrit : In my understanding, this justifies that an IPR statement that doesn't concern an RFC (with due understanding of initiators of the statement), should be deleted by its

[Softwires] France Telecom's IPR Statement about 4rd

2013-04-09 Thread Rémi Després
Dear Med, dear all, I carefully checked France Telecom's IPR statement we just received about 4rd. For reasons detailed below, I found that none of the three listed patents applies to 4rd. Could you please, Med, check the technical analysis and, if we reach common understanding, see to it that

Re: [Softwires] I-D Action: draft-ietf-softwire-map-deployment-01.txt

2013-03-01 Thread Rémi Després
2013-02-28 15:34, Qiong bingxu...@gmail.com : ... Currently, the title of this draft is still MAP only, as we have not found a good term to call MAP-E, MAP-T and 4rd-u. So we would like to get advice from the working group to address this problem. Thanks to Qiong for raising this question

Re: [Softwires] I-D Action: draft-ietf-softwire-map-dhcp-03.txt

2013-02-25 Thread Rémi Després
Hello, Tomek, Two comments related to recent discussions: 1. The PSID-len parameter of section 4.5 MUST NOT be used in BMRs that apply to several CEs (the general case in stateless use of MAP). If 1:1 mapping must be covered by MAP (next point), this should be noted in the text. 2. Whether

Re: [Softwires] [softwire] #25: Maintain or remove MAP1:1 Mode?

2013-02-18 Thread Rémi Després
2013-02-17 03:03, Qiong bingxu...@gmail.com : ... It is my opinion that we've discussed this 1:1 mode many many times before, and at each time concluded that a) it is a natural characteristic of MAP ii) it would actually require *more text* (and complexity) to remove it. Sorry I can

Re: [Softwires] [softwire] #25: Maintain or remove MAP1:1 Mode?

2013-02-15 Thread Rémi Després
2013-02-14 16:30, Rajiv Asati (rajiva) raj...@cisco.com : My vote is to keep 1:1 mode in MAP. Removing it just doesn't make sense Your point, similar to that of Ole, is that 1:1 is intrinsic to the design. Even if not explicitly stated, it therefore cannot be removed from it. To put an end

Re: [Softwires] [softwire] #25: Maintain or remove MAP1:1 Mode?

2013-02-15 Thread Rémi Després
2013-02-15 10:03, Wojciech Dec (wdec) w...@cisco.com : ... It is my opinion that we've discussed this 1:1 mode many many times before, and at each time concluded that a) it is a natural characteristic of MAP ii) it would actually require *more text* (and complexity) to remove it. Would you

Re: [Softwires] [softwire] #25: Maintain or remove MAP1:1 Mode?

2013-02-15 Thread Rémi Després
Le 2013-02-15 à 11:16, Wojciech Dec (wdec) w...@cisco.com a écrit : On 15/02/2013 10:11, Rémi Després despres.r...@laposte.net wrote: 2013-02-15 10:03, Wojciech Dec (wdec) w...@cisco.com : ... It is my opinion that we've discussed this 1:1 mode many many times before, and at each

Re: [Softwires] [softwire] #25: Maintain or remove MAP1:1 Mode?

2013-02-15 Thread Rémi Després
neutral.) Regards, RD On 15/02/2013 12:06, Rémi Després despres.r...@laposte.net wrote: ... It is thus clear that, if section 7.4 and examples 4 and 5 are deleted from the MAP draft, *no more text* is NEEDED in the draft itself. Applicability of MAP and of other solutions to 1:1 can be clarified

Re: [Softwires] [softwire] #25: Maintain or remove MAP1:1 Mode?

2013-02-15 Thread Rémi Després
Le 2013-02-15 à 14:40, Wojciech Dec (wdec) w...@cisco.com a écrit : On 15/02/2013 14:30, Rémi Després despres.r...@laposte.net wrote: 2013-02-15 12:16, Wojciech Dec (wdec) w...@cisco.com : Remi, The question Ole posed still stands: - what does remove MAP 1:1 mode mean

Re: [Softwires] [softwire] #25: Maintain or remove MAP1:1 Mode?

2013-02-15 Thread Rémi Després
Le 2013-02-15 à 16:14, Wojciech Dec (wdec) w...@cisco.com a écrit : On 15/02/2013 14:51, Rémi Després despres.r...@laposte.net wrote: We've previously established consensus that MAP supports 1:1 mode (it likely happened at the meeting after you bid farewell to the group). Suresh can

Re: [Softwires] [softwire] #25: Maintain or remove MAP1:1 Mode?

2013-02-14 Thread Rémi Després
2013-02-14 12:12, Ole Troan o...@cisco.com: Med, To start with, there was no consensus to include MAP1:1 in the MAP spec. Unless I'm mistaken, objection to include that mode in the base MAP spec was raised several times in the mailing list. It was mainly raised by authors of Lw4o6 but

[Softwires] MAP-E CE address format

2013-01-30 Thread Rémi Després
2013-01-29 19:54, Ole Troan otr...@employees.org : Remi, ... can we please hold back a little and let other people in the working group voice their opinion? To make progress, I feel it should be acceptable to continue to: - ask for clarifications on some points that IMHO remain obscure

Re: [Softwires] MAP-E CE address format

2013-01-30 Thread Rémi Després
Le 2013-01-30 à 10:04, Ole Troan otr...@employees.org a écrit : Remi, can we please hold back a little and let other people in the working group voice their opinion? To make progress, I feel it should be acceptable to continue to: - ask for clarifications on some points that IMHO

Re: [Softwires] Section 5.1 of the MAP draft

2013-01-30 Thread Rémi Després
Le 2013-01-30 13:47, Ole Troan o...@cisco.com : Tom, [...] I don't at all see why moving the port mapping algorithm out of the document would make things simpler. it would make it a lot more complex. then you'd end up with having to support many different port algorithms. My

Re: [Softwires] Limiting the length of the MAP endpoint IPv6 prefix

2013-01-30 Thread Rémi Després
2013-01-28 17:36, Senthil Sivakumar (ssenthil) ssent...@cisco.com : ... Yet, operators have the constraint of RFC 4291 that For all unicast addresses, except those that start with the binary value 000, Interface IDs are required to be 64 bits long and to be constructed in Modified EUI-64

Re: [Softwires] Section 5.1 of the MAP draft

2013-01-30 Thread Rémi Després
2013-01-30 16:52, Tom Taylor tom.taylor.s...@gmail.com : On 30/01/2013 9:56 AM, Rémi Després wrote: Le 2013-01-30 13:47, Ole Troan o...@cisco.com : Tom, [...] [Ole said:] I'm fine with fixing a to 4. if an end user needs well known ports, give her a full address. [Rémi said

Re: [Softwires] [softwire] #19: IPv4 address superfluous in MAP-E Interface IDs

2013-01-29 Thread Rémi Després
The key is keep it simple, with neither IPv4 addresses nor PSIDs in MAP-E IIDs. More explanations below. 2013-01-28 14:51, Wojciech Dec wdec.i...@gmail.comt : Hi, the IPv4 and PSID in the IID are particularly useful in cases of address independence (ie 1:1). As said previously, the

[Softwires] 1:1 MAP-E with shared addresses

2013-01-29 Thread Rémi Després
2013-01-29 10:50, Ole Troan otr...@employees.org : ... (c) Once the rule is looked at, getting the PSID is easy (no more magic needed than to get find the PSID length ;-)). unless you are in 1:1 mode. There is a point here which AFAIK has never been discussed before. (A reference is

Re: [Softwires] Limiting the length of the MAP endpoint IPv6 prefix

2013-01-29 Thread Rémi Després
Hi, Linda, 2013-01-29 à 07:54, wang.c...@zte.com.cn a écrit : Hi,Remi softwires-boun...@ietf.org 写于 2013-01-29 00:16:32: Senthil, 2013-01-2815:24, Senthil Sivakumar (ssenthil) ssent...@cisco.com : I believe the prefix length 64 should be allowed. It is

Re: [Softwires] 1:1 MAP-E with shared addresses

2013-01-29 Thread Rémi Després
Ole, Thanks for the clarification. More comments inline. 2013-01-29 à 18:14, Ole Troan otr...@employees.org : Remi, (c) Once the rule is looked at, getting the PSID is easy (no more magic needed than to get find the PSID length ;-)). unless you are in 1:1 mode. There is a point here

Re: [Softwires] [softwire] #19: IPv4 address superfluous in MAP-E Interface IDs

2013-01-28 Thread Rémi Després
On 26/01/2013 5:50 AM, Rémi Després wrote: Hi, Senthil, 2013-01-25 à 21:20, Senthil Sivakumar (ssenthil) ssent...@cisco.com : On 1/25/13 1:09 PM, Tom Taylor tom.taylor.s...@gmail.com wrote: We have two choices on this one: a) prohibit the use of an end user IPv6 prefix of length

Re: [Softwires] Limiting the length of the MAP endpoint IPv6 prefix

2013-01-28 Thread Rémi Després
Le 2013-01-27 à 23:07, Tom Taylor tom.taylor.s...@gmail.com a écrit : The examples in my previous note sort of provided backing for my view that the MAP endpoint IPv6 prefix can be limited to a maximum of a /64, thus making the IID fully conformant both to RFC 4291 and to RFC 6052.

Re: [Softwires] [softwire] #19: IPv4 address superfluous in MAP-E Interface IDs

2013-01-28 Thread Rémi Després
Le 2013-01-28 à 10:16, Ole Troan otr...@employees.org a écrit : Remi, Tom, Rémi has a point. RFC 4291 doesn't seem to leave wiggle room. Section 2.5.1 says: (*) For all unicast addresses, except those that start with the binary value 000, Interface IDs are required to be 64 bits long

Re: [Softwires] Limiting the length of the MAP endpoint IPv6 prefix

2013-01-28 Thread Rémi Després
Senthil, 2013-01-2815:24, Senthil Sivakumar (ssenthil) ssent...@cisco.com : I believe the prefix length 64 should be allowed. It is upto the operator to choose the prefix length of their choice. Agreed. No one suggest to say the contrary. Yet, operators have the constraint of RFC 4291

Re: [Softwires] Limiting the length of the MAP endpoint IPv6 prefix

2013-01-28 Thread Rémi Després
Le 2013-01-28 à 17:30, Ole Troan otr...@employees.org a écrit : Remi, I believe the prefix length 64 should be allowed. It is upto the operator to choose the prefix length of their choice. Agreed. No one suggest to say the contrary. Yet, operators have the constraint of RFC

Re: [Softwires] [softwire] #19: IPv4 address superfluous in MAP-E Interface IDs

2013-01-26 Thread Rémi Després
Hi, Senthil, 2013-01-25 à 21:20, Senthil Sivakumar (ssenthil) ssent...@cisco.com : On 1/25/13 1:09 PM, Tom Taylor tom.taylor.s...@gmail.com wrote: We have two choices on this one: a) prohibit the use of an end user IPv6 prefix of length greater than 64 bits; I would think that is

[Softwires] PSID superfluous in MAP-E IIDs (part of ticket #19)

2013-01-24 Thread Rémi Després
2013-01-24 17:27, Ole Troan otr...@employees.org : hi, can we please keep discussion on the list. not via the issue tracker? - the issue tracker was AFAIK created by the chairs to be used. - I was answering a new input from Ole on the issue tracker itself, and containing a question (see

[Softwires] FYI - RFC 6751 available - Native IPv6 behind NAT44s (6a44)

2012-10-16 Thread Rémi Després
Hello all, RFC 6751 is now available at http://tools.ietf.org/html/rfc6751). It describes a new tunneling solution for providers to offer IPv6 service behind IPv4-only CPEs. Like 6rd, 6a44 is a provider-local solution using provider allocated prefixes. As such, it has over Teredo an advantage

Re: [Softwires] Is ACL really a point to drive MAP-T solution?

2012-09-07 Thread Rémi Després
Gang, I think you are on a wrong track here. 1. In Vancouver it was decided that MAP-E would be standard track, and both MAP-T and 4rd experimental. There is no longer any way to prevent those who want experimental MAP-T to have it. 2. The argument against ACLs is also an argument against 4rd.

Re: [Softwires] Is ACL really a point to drive MAP-T solution?

2012-09-07 Thread Rémi Després
2012-09-07 à 10:19, Maoke: i share the same view with Remi. and ACL is not the only reason that MAP-T is needed. - maoke Yes, we do agree that work on experimental MAP-T can continue in Softwire (as decided in Vancouver) But lets avoid confusion concerning my position: I am not personally

[Softwires] Fwd: I-D Action: draft-ietf-softwire-map-02.txt

2012-09-06 Thread Rémi Després
Suresh, May I suggest that, in in the future, the MAP-E specification be in a MAP-E document rather than in a generic MAP document (e.g. in draft-ietf-softwire-map-e-00). This will become particularly relevant when the MAP-T document will follow. Regards, RD Début du message réexpédié :

Re: [Softwires] Call for confirming the selection of MAP-E as the basis for the proposed standard stateless solution

2012-08-08 Thread Rémi Després
Hi, Suresh, 2012-08-08 00:02, Suresh Krishnan : Hi all, During the softwire WG meeting at IETF84 a series of questions* to determine the preferred solution in the meeting room indicated that the sense of the room was in favor of MAP-E as the basis for the proposed standard stateless

Re: [Softwires] Call for confirming the selection of MAP-E as the basis for the proposed standard stateless solution

2012-08-08 Thread Rémi Després
Le 2012-08-08 à 16:13, Rajiv Asati (rajiva) a écrit : +1 I also support MAP-E and MAP-T, as Maglione pointed out. We need to be respectful of the design team that produced MAP based on consideration and requirements. Not to forget that MAP-T (unlike others) has already been deployed.

Re: [Softwires] [softwire] #5: Problems of MAP-T and MAP-E with sites that already use subnet ID = 0

2012-07-27 Thread Rémi Després
Le 2012-07-27 à 16:20, Wojciech Dec a écrit : On 25 July 2012 16:13, Rémi Després despres.r...@laposte.net wrote: Le 2012-07-25 à 15:59, Wojciech Dec (wdec) a écrit : On 25/07/2012 15:47, Rémi Després despres.r...@laposte.net wrote: take it to 6man. 6man has

Re: [Softwires] DHCPv6 section of the 4rd draft

2012-07-27 Thread Rémi Després
Le 2012-07-27 à 16:55, Tomek Mrugalski a écrit : On 24.07.2012 15:10, Rémi Després wrote: Hi, Tomek, Hi Remi. hi all, Since you are the known DHCP expert in Softwire concerning stateless Thank you for your kind words. I just know DHCPv6 a bit, but I definitely don't consider myself

Re: [Softwires] [softwire] #5: Problems of MAP-T and MAP-E with sites that already use subnet ID = 0

2012-07-25 Thread Rémi Després
Le 2012-07-24 à 12:46, Ole Trøan a écrit : 1. No, 4rd doesn't have the same problem as MAP concerning sites that use subnet 0. Wojciech, if you see a reason why a site should renumber its subnet 0 to use 4rd, please explain. because no-one will ever do this? Assuming that details that

Re: [Softwires] [softwire] #5: Problems of MAP-T and MAP-E with sites that already use subnet ID = 0

2012-07-25 Thread Rémi Després
Le 2012-07-25 à 09:55, Ole Trøan a écrit : Remi, because no-one will ever do this? Assuming that details that follow mean that an expert can configure a node with an address that isn't unauthorized by any RFC, and in particular a 4rd-reserved address, that's acknowledged. But

Re: [Softwires] [softwire] #5: Problems of MAP-T and MAP-E with sites that already use subnet ID = 0

2012-07-25 Thread Rémi Després
Le 2012-07-25 à 15:56, Wojciech Dec (wdec) a écrit : On 25/07/2012 15:47, Rémi Després despres.r...@laposte.net wrote: Le 2012-07-24 à 12:46, Ole Trøan a écrit : 1. No, 4rd doesn't have the same problem as MAP concerning sites that use subnet 0. Wojciech, if you see a reason why

Re: [Softwires] [softwire] #5: Problems of MAP-T and MAP-E with sites that already use subnet ID = 0

2012-07-25 Thread Rémi Després
Le 2012-07-25 à 15:59, Wojciech Dec (wdec) a écrit : On 25/07/2012 15:47, Rémi Després despres.r...@laposte.net wrote: take it to 6man. 6man has to be involved, sure, but Softwire should first be clear about the purpose, and possible drawbacks if any. If you see such drawbacks

[Softwires] DHCPv6 section of the 4rd draft

2012-07-24 Thread Rémi Després
Hi, Tomek, Since you are the known DHCP expert in Softwire concerning stateless solutions, could you kindly review section 4.8 of the 4rd-03 draft, and comment on the ML its use of DHCPv6? (Doing so, of course, will not prejudge what the WG will decide concerning MAP-T+E vs 4rd.) In

Re: [Softwires] map-00: review on the mode 1:1

2012-07-20 Thread Rémi Després
Hi, Wojciech, 2012-07-20 12:56, Wojciech Dec: Hi Maoke, ... therefore i am objective of introducing PSID into the rule and making the architecture stateless only in wording. If you mean that by having PSID as part of the rule, moves MAP from being stateless to stateful, then that's a

[Softwires] New comparison tables of key features of MAP-T, MAP-E and 4rd

2012-07-19 Thread Rémi Després
Hello, all, tools.ietf.org/html/draft-despres-softwire-stateless-analysis-tool-02 has been posted. As said in the abstract: This document proposes a discussion tool for the Softwire meeting at IETF 84 in Vancouver. Significant differentiating features between the MAP approach (proposed

Re: [Softwires] Comment on draft-ietf-softwire-4rd-02

2012-07-12 Thread Rémi Després
Hi, Behcet, In the abstract, customers is intended to mean customers *of operators* (CPEs, not end-user hosts). This can be clarified by, for example, replacing customers by customer sites. Agreed? Thanks, RD Le 2012-07-11 à 21:41, Behcet Sarikaya a écrit : Hi Remi, I was reading this

Re: [Softwires] Call for adoption of draft-mdt-softwire-map-deployment-02 as wg draft

2012-07-11 Thread Rémi Després
2012-07-10 à 20:34, Suresh Krishnan : ... Once the document comes under wg change control, it is the consensus of the wg that will drive it further. If there is wg consensus to include 4rd related text in this document either in addition to or in lieu of the MAP related text, that is what

Re: [Softwires] Call for adoption of draft-mdt-softwire-map-deployment-02 as wg draft

2012-07-10 Thread Rémi Després
Hi, Suresh, This draft contains valuable advices which can apply to 4rd as well as to MAP-T+E, but is exclusively MAP oriented. As such, I find it premature to move it to WG-draft status. If 4rd is chosen for standardization, adapting this deployment draft to it looks easy. I therefore

Re: [Softwires] Call for adoption of draft-mdt-softwire-map-deployment-02 as wg draft

2012-07-10 Thread Rémi Després
2012-07-10 13:03, Maoke : hi Remi, 2012/7/10 Rémi Després despres.r...@laposte.net Hi, Suresh, This draft contains valuable advices which can apply to 4rd as well as to MAP-T+E, but is exclusively MAP oriented. surely it is a MAP-oriented stuff as only the MAP-T+E are considered

[Softwires] Fwd: TCP/IPv6 faster than TCP/IPv4/IPv6?

2012-07-09 Thread Rémi Després
The following email, sent by lorenzo to the mailing list didn't reach it because he isn't registered in Softwire. Upon his request, here is a retransmission. Regards, RD De : Lorenzo Colitti lore...@google.com Date : 2012-07-06 10:59 À : Rémi Després despres.r...@laposte.net Cc : softwires

Re: [Softwires] Call for adoption of draft-mdt-softwire-map-dhcp-option-03 as wg draft

2012-07-06 Thread Rémi Després
2012-07-06 06:33, Suresh Krishnan : Hi all, This call is being initiated to determine whether there is WG consensus towards adoption of draft-mdt-softwire-map-dhcp-option-03 as a softwire WG draft. When I asked Alain whether WG drafts on 4rd and MAP should be Experimental or

Re: [Softwires] Call for adoption of draft-mdt-softwire-map-dhcp-option-03 as wg draft

2012-07-06 Thread Rémi Després
Suresh, For consistency, we do need a complement to map-01 which shows proposed DHCPv6 formats. = Support to have it as WG draft, provided: - the accepted status status is the same for map and 4rd documents (still to be determined AFAIK). - It is understood that the WG plans to choose which of

[Softwires] TCP/IPv6 faster than TCP/IPv4/IPv6?

2012-07-04 Thread Rémi Després
Hi all, There has been discussions, during IETF 83 and after, to warn that, in some circumstances, direct TCP over IPv6 can be significantly faster than TCP/IPv4/IPv6. A cc is sent to Lorenzo, because he privately reported some direct knowledge of the subject (I personally have none).

[Softwires] 4rd update

2012-06-30 Thread Rémi Després
? Regards, RD De : Rémi Després despres.r...@laposte.net Date : 2012-06-19 15:28 À : Softwires WG softwires@ietf.org Objet : Novelty in draft-ietf-softwire-4rd-01 Dear all, The main difference between -00 and -O1 concerns protection against address or protocol corruption during 4rd

Re: [Softwires] Document actions on MAP and 4rd

2012-06-28 Thread Rémi Després
Le 2012-06-28 à 17:16, Suresh Krishnan a écrit : Hi all, There has been quite a bit of traffic on the mailing list as to whether the current map and 4rd drafts actually represent wg consensus. In order to clear the air around this, we have asked the map and the 4rd editors to revert to the

Re: [Softwires] A new consensus opportunity with a MAP-bis

2012-06-28 Thread Rémi Després
(ability to combine complete IPv4 transparency with IPv6-ACL compatibility) How to introduce this 3rd choice in WG documents is AFAIK in chairs' hands. Regards, RD Best regards, --satoru On 2012/06/23, at 1:52, Rémi Després wrote: Yong, Suresh, Ralph, For mesh stateless v4/v6, we

Re: [Softwires] [Softwire] draft-ietf-softwire-map-00 does NOT reflect the consensus from the WG

2012-06-26 Thread Rémi Després
Le 2012-06-26 à 08:04, Wojciech Dec a écrit : On 25 June 2012 17:28, Rémi Després despres.r...@laposte.net wrote: 2012-06-25 à 16:24, Wojciech Dec: ... The updated MAP draft does not change the MAP architecture nor its technical underpinnings. In fact there are no changes, bar

Re: [Softwires] [Softwire] draft-ietf-softwire-map-00 does NOT reflect the consensus from the WG

2012-06-26 Thread Rémi Després
2012-06-26 à 09:37, Wojciech Dec: On 26 June 2012 09:13, Rémi Després despres.r...@laposte.net wrote: Le 2012-06-26 à 08:04, Wojciech Dec a écrit : On 25 June 2012 17:28, Rémi Després despres.r...@laposte.net wrote: ... Having asked several times for a list of substantial evolutions from

Re: [Softwires] [Softwire] draft-ietf-softwire-map-00 does NOT reflect the consensus from the WG

2012-06-26 Thread Rémi Després
2012-06-26 à 10:50, Wojciech Dec: On 26 June 2012 10:37, Rémi Després despres.r...@laposte.net wrote: 2012-06-26 à 09:37, Wojciech Dec: On 26 June 2012 09:13, Rémi Després despres.r...@laposte.net wrote: Le 2012-06-26 à 08:04, Wojciech Dec a écrit : On 25 June 2012 17:28, Rémi

Re: [Softwires] [Softwire] draft-ietf-softwire-map-00 does NOT reflect the consensus from the WG

2012-06-25 Thread Rémi Després
2012-06-25 à 16:24, Wojciech Dec: ... The updated MAP draft does not change the MAP architecture nor its technical underpinnings. In fact there are no changes, bar editorial to the normative parts of MAP, Having asked several times for a list of substantial evolutions from previous MAP

[Softwires] A new consensus opportunity with a MAP-bis

2012-06-22 Thread Rémi Després
Yong, Suresh, Ralph, For mesh stateless v4/v6, we have so far a choice between only two solutions, MAP as is and 4rd. On can hope that the consensus that couldn't be reached in Paris will be achievable in Vancouver, but this isn't sure, each camp keeping its own expectation. Looking at recent

[Softwires] 3-tuple based FL in 4rd tunnels

2012-06-21 Thread Rémi Després
this to softwire if useful.) More opinions from the WG? Regards, RD On 2012-06-19 08:36, Rémi Després wrote: Hi, Brian, In the still progressing 4rd design, flow labels happen to be a convenient tool to maintain, after 4rd domain traversal, IPv4-like protection of addresses and protocol

[Softwires] Novelty in draft-ietf-softwire-4rd-01

2012-06-19 Thread Rémi Després
Dear all, The main difference between -00 and -O1 concerns protection against address or protocol corruption during 4rd-domain traversal: Problem: the CNP only protected IPv4 addresses of full-or-shared-address CEs? In particular, they didn't protect IPv4 addresses embedded in BR-destined IPv6

Re: [Softwires] I-D Action: draft-ietf-softwire-map-00.txt

2012-06-11 Thread Rémi Després
Ole, Thank you for this update on what is meant by MAP today. Which parameters are advertised to CEs will be completely clear, I suppose, when the DHCPv6 document is also available, but the draft contains IMHO useful clarifications. Two immediate points: - Last sentence of page 8 is DNS64

Re: [Softwires] WG last call on draft-ietf-softwire-public-4over6-01

2012-06-08 Thread Rémi Després
Peng, 2012-06-07 à 16:04, Peng Wu: Hi Ole and all, Thank you all for the discussions on this topic, as well as sharing your opinions during the offline discussions in the last couple of days. Let me try to summarize. I understand that we MAY adapt MAP to be 4over6-like, or even DS-lite

Re: [Softwires] WG last call on draft-ietf-softwire-public-4over6-01

2012-06-07 Thread Rémi Després
Qiong, all, Le 2012-06-07 à 16:23, Qiong a écrit : Hi Ole, On Thu, Jun 7, 2012 at 4:48 PM, Ole Trøan otr...@employees.org wrote: I think we should still keep the initial feature of these solutions. all the proposed solutions, including DS-lite shares a large set of commonalities.

Re: [Softwires] I-D Action: draft-ietf-softwire-4rd-00.txt

2012-06-04 Thread Rémi Després
Maoke, Please see comments inline. 2012-06-04 04:35, Maoke: sorry for the late reply. 2012/5/23 Simon Perreault simon.perrea...@viagenie.ca (Did you intend to send this to the WG?) thanks for reminding :) i did reply but not reply-all. On 2012-05-22 21:38, Maoke wrote: My

Re: [Softwires] WG last call on draft-ietf-softwire-stateless-4v6-motivation-01

2012-06-01 Thread Rémi Després
Support. RD Le 2012-05-27 à 16:28, Yong Cui a écrit : Hi folks, This is a wg last call on draft-ietf-softwire-stateless-4v6-motivation-01. http://datatracker.ietf.org/doc/draft-ietf-softwire-stateless-4v6-motivatio n/ As usual, please send editorial comments to the authors and

Re: [Softwires] WG last call on draft-ietf-softwire-public-4over6-01

2012-06-01 Thread Rémi Després
2012-05-30 15:55, Ole Trøan: public 4over6 is exactly the same as MAP in hub and spoke mode with one mapping rule per subscriber. Could you clarify how this relates to the MAP-rule definition saying Each MAP node in the domain has the same set of rules.

Re: [Softwires] I-D Action: draft-ietf-softwire-4rd-00.txt

2012-05-23 Thread Rémi Després
not touching the first bit of Hop Limit now. thanks! regards, maoke 2012/5/23 Rémi Després despres.r...@laposte.net Hi Maoke, Thank you for this quick reaction. 2012-05-22 03:54, Maoke : hi Remi and other authors, thanks a lot for updating the draft. semantics review

[Softwires] 4rd-00 now available

2012-05-22 Thread Rémi Després
Hello, all, The solution that, with Reinaldo Penno, Yiu Lee, Gang Chen, and Sheng Jiang, we submit to the WG, as proposed standard for stateless IPv4 via IPv6, is now available. The acronym is now just 4rd as other proposals using it have all expired (4rd-E and 4rd T). As done for 6rd

Re: [Softwires] I-D Action: draft-ietf-softwire-4rd-00.txt

2012-05-22 Thread Rémi Després
Hi Maoke, Thank you for this quick reaction. 2012-05-22 03:54, Maoke : hi Remi and other authors, thanks a lot for updating the draft. semantics review will follow and here i only make an incomprehensive but quick response. please don't hesitate to point out if i misunderstand. i

Re: [Softwires] Result from the consensus call on Map vs 4rd-U and official way forward

2012-05-04 Thread Rémi Després
Le 2012-05-04 à 12:08, Leaf yeh a écrit : Jacni - Anyway, if generally we have a single target or design goal,… There are many design goals here. What Ole said in this email is the solution of Encapsulation Translation will meet the different ones, which sounds mutually exclusive. Will

Re: [Softwires] Result from the consensus call on Map vs 4rd-U and official way forward

2012-05-04 Thread Rémi Després
accepted by the group. Right? That's the purpose of this question: will standard unicity be confirmed by the WG an important criterion? If you agree, we can resume this discussion when all specifications are available. Kind regards, RD Best Regards, Leaf From: Rémi Després

Re: [Softwires] Result from the consensus call on Map vs 4rd-U and official way forward

2012-05-03 Thread Rémi Després
2012-05-03 à 10:38, Ole Trøan: ... let us accept that the requirements for translation and the requirements for encapsulation are mutually exclusive. Agreed: each of E or T doesn't cover by itself all expressed requirements for a stateless 4via6 solution. The question that remains, however,

Re: [Softwires] Fwd: New Version Notification for draft-chen-softwire-4rd-u-comment-00.txt

2012-04-12 Thread Rémi Després
Maoke, We haven't reached common understanding on tunnel and transparency yet. Please see below. 2012-04-12 03:13, Maoke: second point, on tunnel and transparency. 2012/4/11 Rémi Després despres.r...@laposte.net 6. The statement that double translation is also a sort of tunneling

Re: [Softwires] Fwd: New Version Notification for draft-chen-softwire-4rd-u-comment-00.txt

2012-04-12 Thread Rémi Després
2012-04-12 à 12:33, Maoke: 2012/4/12 Rémi Després despres.r...@laposte.net Maoke, We haven't reached common understanding on tunnel and transparency yet. Please see below. ok. 2012-04-12 03:13, Maoke: second point, on tunnel and transparency. 2012/4/11 Rémi

Re: [Softwires] Fwd: New Version Notification for draft-chen-softwire-4rd-u-comment-00.txt

2012-04-12 Thread Rémi Després
Le 2012-04-12 à 18:15, Maoke a écrit : hi Remi, this acknowledges the part not belonging to technical issues. 2012/4/11 Rémi Després despres.r...@laposte.net Maoke, Good to see that at least one who has read the 4rd-u draft still considers that technical considerations are worth

Re: [Softwires] Fwd: New Version Notification for draft-chen-softwire-4rd-u-comment-00.txt

2012-04-11 Thread Rémi Després
Maoke, Good to see that at least one who has read the 4rd-u draft still considers that technical considerations are worth working on. Thanks. IMHO, you did a great job to structure this (useful) discussion. Here are quick comments/suggestions/corrections I propose: 4.1. (M2) Rather than

Re: [Softwires] Mailing list question to gauge consensus on 4rd-U vs MAP

2012-04-11 Thread Rémi Després
. Your full name, your affiliation, your choice: YES or NO Rémi Després, RD-IPtech, neither YES nor NO (both impossible) Regards, RD

Re: [Softwires] Fwd: New Version Notification for draft-chen-softwire-4rd-u-comment-00.txt

2012-04-11 Thread Rémi Després
Le 2012-04-11 à 15:44, Maoke a écrit : postpone other parts, but focus on the checksum issue. 2012/4/11 Rémi Després despres.r...@laposte.net 5.4 Impact c. - it is true that, in the IPv6 packet of a tunneled ICMPv4 message, the ICMPv4 checksum doesn't ensure IPv6 address integrity

Re: [Softwires] Fwd: New Version Notification for draft-chen-softwire-4rd-u-comment-00.txt

2012-04-11 Thread Rémi Després
Le 2012-04-11 à 17:54, Maoke a écrit : 2012/4/12 Rémi Després despres.r...@laposte.net Le 2012-04-11 à 15:44, Maoke a écrit : postpone other parts, but focus on the checksum issue. 2012/4/11 Rémi Després despres.r...@laposte.net 5.4 Impact c. - it is true that, in the IPv6

Re: [Softwires] MAP-ET vs 4rd-U

2012-04-10 Thread Rémi Després
Le 2012-04-10 à 07:35, GangChen a écrit : Hello all, I have tried to work hard and technically contribute to all documents: MAP-algorithm, MAP-T, MAP-E, MAP-Deployment, 4rd-U, and also cosigned with all of them. Please allow me to share some points here. Basic idea of MAP algorithm were

Re: [Softwires] MAP-ET vs 4rd-U

2012-04-10 Thread Rémi Després
Le 2012-04-10 à 09:59, Wojciech Dec a écrit : On 10 April 2012 09:31, Rémi Després despres.r...@laposte.net wrote: Le 2012-04-10 à 07:35, GangChen a écrit : Hello all, I have tried to work hard and technically contribute to all documents: MAP-algorithm, MAP-T, MAP-E, MAP

[Softwires] Provisioning Hub-and-spoke in MAP - How?

2012-04-10 Thread Rémi Després
, implicitly, or possibly both? - How? - Which tests have confirmed that it worked? Answer by any one who asserts he or she understands how MAP works will be welcome. Thanks, RD De : Ole Trøan o...@cisco.com Date : 2012-03-14 14:29 À : Rémi Després despres.r...@laposte.net Cc : Tomasz

Re: [Softwires] Provisioning Hub-and-spoke in MAP - How?

2012-04-10 Thread Rémi Després
CEs are proposed to know whether they must work in mesh or hub-an-spoke topology (even if MAP remains experimental). RD -Woj. On 10 April 2012 12:01, Rémi Després despres.r...@laposte.net wrote: Wojciech, This isn't answers to questions I asked. They remain open. RD Le 2012-04

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