Re: [Softwires] Comment about draft-dhankins-softwire-tunnel-option

2009-11-16 Thread mohamed.boucadair
Dear Dave, all, I'm not talking about that, but when I don't want to add any entry to my DNS due to some reasons (avoid extra configuration task of DNS for instance.) Cheers, Med -Message d'origine- De : Dave Thaler [mailto:dtha...@microsoft.com] Envoyé : lundi 16 novembre 2009

[Softwires] Widthraw an AFTR from the path (draft-boucadair-softwire-cgn-bypass)

2009-12-16 Thread mohamed.boucadair
Dear all, Please find below a link to a new submitted draft which aims to avoid involving several AFTR devices in the path. A procedure is proposed to withdraw an AFTR from the path. Comments are more than welcome. Cheers, Med -Message d'origine- De : i-d-announce-boun...@ietf.org

Re: [Softwires] GI-DS-lite as working group item?

2010-05-10 Thread mohamed.boucadair
Dear Alain, all, Please see inline. Cheers, Med -Message d'origine- De : Alain Durand [mailto:adur...@juniper.net] Envoyé : vendredi 7 mai 2010 18:19 À : Behcet Sarikaya Cc : BOUCADAIR Mohamed NCPI/NAD/TIP; softwires@ietf.org Objet : Re: [Softwires] GI-DS-lite as working group item?

Re: [Softwires] GI-DS-lite as working group item?

2010-05-12 Thread mohamed.boucadair
Dear Sri, Thank you for answers. Please see inline. Cheers, Med -Message d'origine- De : Sri Gundavelli [mailto:sgund...@cisco.com] Envoyé : mardi 11 mai 2010 23:31 À : BOUCADAIR Mohamed NCPI/NAD/TIP; Cameron Byrne Cc : softwires@ietf.org; BINET David NCPI/NAD/TIP Objet : Re:

Re: [Softwires] GI-DS-lite as working group item?

2010-05-12 Thread mohamed.boucadair
Re-, Please see inline. Cheers; Med -Message d'origine- De : Sri Gundavelli [mailto:sgund...@cisco.com] Envoyé : mercredi 12 mai 2010 09:12 À : BOUCADAIR Mohamed NCPI/NAD/TIP Cc : softwires@ietf.org Objet : Re: [Softwires] GI-DS-lite as working group item? Hi Mohamed, Please see

Re: [Softwires] GI-DS-lite as working group item?

2010-05-18 Thread mohamed.boucadair
Hi Yiu, Yes, I understand that point. My comment was related to the claim that GI-DS-Lite allows to migrate to IPv6...which I still don't agree with. What you mentioned is valid for any NAT-based solution. My concerns are as follows: (1) Since it seems that 3GPP is interested in this

Re: [Softwires] GI-DS-lite as working group item?

2010-05-19 Thread mohamed.boucadair
Hi Yiu, Please see inline. Cheers, Med -Message d'origine- De : Lee, Yiu [mailto:yiu_...@cable.comcast.com] Envoyé : mardi 18 mai 2010 21:58 À : BOUCADAIR Mohamed NCPI/NAD/TIP; Sri Gundavelli Cc : softwires@ietf.org Objet : Re: [Softwires] GI-DS-lite as working group item? Hi Med,

[Softwires] RE : DNS question about DS-lite

2010-05-27 Thread mohamed.boucadair
Dear Jacni, Please see inline. Cheers, Med De : softwires-boun...@ietf.org [softwires-boun...@ietf.org] de la part de Jacni Qin [jac...@gmail.com] Date d'envoi : jeudi 27 mai 2010 17:54 À : Lee, Yiu Cc : Durand, Alain; softwires@ietf.org Objet : Re:

[Softwires] TR: I-D Action:draft-lee-6man-ra-dslite-00.txt

2010-09-28 Thread mohamed.boucadair
Dear all, FYI, we have submitted this new I-D. Comments, critiques, suggestions and questions are more than welcome. As mentioned in the draft, the provisioning of the AFTR is a very sensitive for the delivery of the IPv4 connectivity when DS-Lite is enabled. Any failure to provision such

Re: [Softwires] DHCPv6 AFTR name option is needed

2010-10-07 Thread mohamed.boucadair
Dear Tomek, Thank you for this clarification. Providing the IP address in the option is not flexible enough and especially it may not be recommended to achieve load balancing. Otherwise the DHCPv6 server should act as a load balancer, which is not currently our preference. To illustrate more

Re: [Softwires] DHCPv6 AFTR name option is needed

2010-10-08 Thread mohamed.boucadair
Hi Yiu, all, If there is a real issue with defining two DHCPv6 options (which I don't see), an alternative would be to define one option with a sub-code field. This field indicates whether the option carries an IP address or a name option. Cheers, Med De :

Re: [Softwires] DHCPv6 AFTR name option is needed

2010-10-11 Thread mohamed.boucadair
Dear Raplh, Do you suggest the I-D should elaborate further on the FQDN use cases so this to be acceptable by the IESG? Chairs, how should we proceed? The version which passed the WG LC is not the 05. Cheers, Med -Message d'origine- De : softwires-boun...@ietf.org

Re: [Softwires] DHCPv6 AFTR name option is needed

2010-10-12 Thread mohamed.boucadair
Dear Ted, The version which passed the Softwire LC is http://tools.ietf.org/html/draft-ietf-softwire-ds-lite-tunnel-option-04 which included both name and IP address options. After IESG review, 05 has been published but this version has significant changes. We are at least two service

Re: [Softwires] DHCP option for DS-lite

2010-10-12 Thread mohamed.boucadair
Dear Alain, all, I strongly object to define only a single AFTR address option. As I mentioned in previous e-mails, the FQDN name option is needed for some scenarios such as load balancing. Having DHCP server acting as a load balancer is not an option for us. If the problem is only with the

Re: [Softwires] DHCP option for DS-lite

2010-10-14 Thread mohamed.boucadair
David (document shepherd), Jari, all, In can answer to the technical questions, but before that let position this discussion in its context in the overall process (softwire should follow the ietf process). Below a reminder of the main steps for the adoption of this document: o

Re: [Softwires] Call for agenda items

2010-10-15 Thread mohamed.boucadair
Dear chairs, We would like to have a slot for (1) Draft name: http://tools.ietf.org/html/draft-boucadair-softwire-dslite-v6only-00 Time slot: 10 mins Presenter: Yiu Lee and for (2) Draft name: http://tools.ietf.org/html/draft-boucadair-softwire-cgn-bypass-03 Time slot: 10 mins Presenter:

Re: [Softwires] DHCP option for DS-lite

2010-10-18 Thread mohamed.boucadair
Dear Alain, all, In addition to the technical reasons mentioned in previous e-mails, I would like to raise that operational issues should be also taken into account for the provisioning of the DS-Lite AFTR reachability information. In particular, we are considering two levels of

[Softwires] Per-interface NAT in mobile networks

2010-10-25 Thread mohamed.boucadair
Dear all, When per-interface NAT is applied to 3GPP networks, a NAT function can be embedded in the GGSN/PGW. The GTP tunnel identifier will be used as an identifier in the NAT table to identify sessions belonging to each UE. Packets are then translated and forwarded to their

Re: [Softwires] Softwire agenda for IETF79

2010-11-04 Thread mohamed.boucadair
Dear Alain, I believe draft-cui-softwire-host-4over6 and draft-boucadair-softwire-dslite-v6only have the same scope: Provide IPv4 connectivity over an IPv6-only network. I would expect these I-Ds to be listed under the same category. Cheers, Med -Message d'origine- De :

Re: [Softwires] WG last call on draft-ietf-softwire-ds-lite-tunnel-option-07

2010-12-12 Thread mohamed.boucadair
Dear all, This version is almost Ok. I still have two comments: (1) Malformed DHCP answers sent by the DHCP Server: The I-D restricts the server to convey only on FQDN in the AFTR-Name. Then, it is coherent for the client to not accept an AFTR-Name which conveys several FQDN since this is a

[Softwires] DS-Lite I-D progress (was RE: dual-stack-lite-06 - Too biased against static port sharing)

2011-02-23 Thread mohamed.boucadair
Dear Alain, Yiu, Is there any plan to update the DS-Lite draft to take into account the comments received so far and to make this document progress? Cheers, Med -Message d'origine- De : francis.dup...@fdupont.fr [mailto:francis.dup...@fdupont.fr] Envoyé : mercredi 18 août 2010 21:48 À

Re: [Softwires] DS-lite update

2011-03-17 Thread mohamed.boucadair
Dear all, I have just read the new DS-Lite version and I have the following comments for Section 8: (1) 8.2. NAT conformance A dual-stack lite AFTR SHOULD implement behavior conforming to the best current practice, currently documented in [RFC4787] and [RFC5382]. Other discusions

Re: [Softwires] Motivation draft for stateless v4 over v6 solution

2011-05-26 Thread mohamed.boucadair
Dear Ole, For sure, the text can be shortened whenever possible. If you point me to sections you think it need to be re-worded, this would be appreciated. Thank you. Cheers, Med -Message d'origine- De : Ole Troan [mailto:ichiroumak...@gmail.com] De la part de Ole Troan Envoyé :

[Softwires] Next step for Stateless Motivations I-D

2011-06-10 Thread mohamed.boucadair
Dear all, An updated version of the Motivations for Stateless IPv4 over IPv6 Migration Solutions I-D has been submitted. The document is available at: http://tools.ietf.org/html/draft-operators-softwire-stateless-4v6-motivation-02 This document has been largely reviewed and inputs from other

Re: [Softwires] Yesterday's slides

2011-08-12 Thread mohamed.boucadair
Dear Dave, I would personally appreciate if you can draft your thoughts in form of an I-D before the meeting so that we can comment on them and discuss the points you are raising. FWIW, draft-operators-softwire-stateless-4v6-motivation does not argue against stateful but it elaborates on a

Re: [Softwires] draft-operators-softwire-stateless-4v6-motivation

2011-08-16 Thread mohamed.boucadair
Hi Rémi, Yes, there was a vote in favour of adopting this document as a WG document but as you know this vote should be confirmed in the ML. A call for adoption should normally be issued by the chairs according to the IETF procedure. As for the content of the next iteration of the document, we

Re: [Softwires] draft-operators-softwire-stateless-4v6-motivation

2011-08-17 Thread mohamed.boucadair
Dear Qiong, Yes, port ranges can be used in a CGN-based architecture too to reduce log file volume as discussed in http://tools.ietf.org/html/draft-operators-softwire-stateless-4v6-motivation-02#section-3.1.3 but then you should be aware you loose a feature offered by the CGN which is: * The

Re: [Softwires] Softwire Interim Meeting in Beijing

2011-08-22 Thread mohamed.boucadair
Dear all, I fully agree with Rajiv. I would like to add to the list of stateless solutions the proposal specified in: http://tools.ietf.org/html/draft-boucadair-behave-ipv6-portrange-04 and its companion I-D: http://tools.ietf.org/html/draft-boucadair-dhcpv6-shared-address-option-01.

Re: [Softwires] Comments on draft-qin-softwire-dslite-multicast-04

2011-08-24 Thread mohamed.boucadair
Hi Tina, Thank you very much for reviewing carefully this document. Your editorial suggestions will be considered when we will generate the next revision of the I-D. As for the comment about the co-location of the MLD Querier and mAFTR, this is a deployment scenario among others. The I-D

Re: [Softwires] Comments on draft-qin-softwire-dslite-multicast-04

2011-08-24 Thread mohamed.boucadair
Hi Tina, Please see inline. Cheers, Med De : softwires-boun...@ietf.org [mailto:softwires-boun...@ietf.org] De la part de Tina TSOU Envoyé : mercredi 24 août 2011 04:21 À : Jacni Qin Cc : softwires@ietf.org Objet : Re: [Softwires] Comments on

Re: [Softwires] Comments on draft-qin-softwire-dslite-multicast-04

2011-08-25 Thread mohamed.boucadair
Hi Tina, I agree with Yiu. FYI, we had a discussion between co-authors of the draft whether we maintain http://tools.ietf.org/html/draft-qin-softwire-dslite-multicast-04#section-8 or remove it. You can read in that section: Additionally, mechanisms such as MLD Snooping, MLD Proxying,

Re: [Softwires] Comments on draft-qin-softwire-dslite-multicast-04

2011-08-25 Thread mohamed.boucadair
Hi Tina, I agree with Yiu. FYI, we had a discussion between co-authors of the draft whether we maintain http://tools.ietf.org/html/draft-qin-softwire-dslite-multicast-04#section-8 or remove it. You can read in that section: Additionally, mechanisms such as MLD Snooping, MLD

Re: [Softwires] Comments on draft-qin-softwire-dslite-multicast-04

2011-08-26 Thread mohamed.boucadair
Hi Tina, Please see inline. Cheers Med De : Tina TSOU [mailto:tina.tsou.zout...@huawei.com] Envoyé : vendredi 26 août 2011 04:35 À : BOUCADAIR Mohamed OLNC/NAD/TIP; Jacni Qin Cc : softwires@ietf.org Objet : RE: [Softwires] Comments on

Re: [Softwires] Comments on draft-qin-softwire-dslite-multicast-04

2011-08-26 Thread mohamed.boucadair
Re-, L2-relatd considerations described in Section 8 of draft-qin does not require any specific behaviour from the mAFTR. I suggest we continue this thread off-line. Cheers, Med -Message d'origine- De : Tina TSOU [mailto:tina.tsou.zout...@huawei.com] Envoyé : vendredi 26 août 2011

[Softwires] Analysis of Port Indexing Algorithms (draft-bsd-softwire-stateless-port-index-analysis)

2011-09-05 Thread mohamed.boucadair
Dear all, We have just submitted an I-D analysing the port set algorithms we have on the table. A set of properties are used to characterize the port set algorithms. This is a call for review. In particular, we invite authors of the following proposals to review their section: o

Re: [Softwires] Analysis of Port Indexing Algorithms (draft-bsd-softwire-stateless-port-index-analysis)

2011-09-06 Thread mohamed.boucadair
Hi Jacni, Please see inline. Cheers, Med De : Jacni Qin [mailto:ja...@jacni.com] Envoyé : mardi 6 septembre 2011 11:30 À : BOUCADAIR Mohamed OLNC/NAD/TIP Cc : Wojciech Dec; softwires@ietf.org Objet : Re: [Softwires] Analysis of Port Indexing Algorithms

Re: [Softwires] Analysis of Port Indexing Algorithms (draft-bsd-softwire-stateless-port-index-analysis)

2011-09-07 Thread mohamed.boucadair
Hi Satoru, What I have done is I clarified the text as follows: o Complexity: Reflects the complexity level of understanding the algorithm and the expected complexity to configure an implementation. Is this fine or you think we need to elaborate further? Cheers, Med

[Softwires] Requirements for extending IPv6 addresses with port range (draft-boucadair-softwire-stateless-rfc6052-update)

2011-09-07 Thread mohamed.boucadair
Dear all, We submitted a new I-D identifying the requirements to be met when designing the format of IPv4-embedded IPv6 addresses/prefixes enclosing the port information. The first list of requirements is available at:

Re: [Softwires] Analysis of Port Indexing Algorithms (draft-bsd-softwire-stateless-port-index-analysis)

2011-09-07 Thread mohamed.boucadair
Re-, Please see inline. Cheers, Med De : Jacni Qin [mailto:ja...@jacni.com] Envoyé : mercredi 7 septembre 2011 10:12 À : BOUCADAIR Mohamed OLNC/NAD/TIP Cc : Wojciech Dec; softwires@ietf.org Objet : Re: [Softwires] Analysis of Port Indexing Algorithms

Re: [Softwires] Requirements for extending IPv6 addresses with port range (draft-boucadair-softwire-stateless-rfc6052-update)

2011-09-07 Thread mohamed.boucadair
Dear Maoke, Please see inline. Cheers, Med De : Maoke [mailto:fib...@gmail.com] Envoyé : mercredi 7 septembre 2011 15:43 À : BOUCADAIR Mohamed OLNC/NAD/TIP Objet : Re: [Softwires] Requirements for extending IPv6 addresses with port range

Re: [Softwires] Analysis of Port Indexing Algorithms (draft-bsd-softwire-stateless-port-index-analysis)

2011-09-08 Thread mohamed.boucadair
Hi Rémi, Please see inline. Cheers, Med -Message d'origine- De : Rémi Després [mailto:despres.r...@free.fr] Envoyé : mercredi 7 septembre 2011 10:56 À : BOUCADAIR Mohamed OLNC/NAD/TIP Cc : GangChen; softwires@ietf.org; Wojciech Dec Objet : Re: [Softwires] Analysis of Port Indexing

Re: [Softwires] Analysis of Port Indexing Algorithms (draft-bsd-softwire-stateless-port-index-analysis)

2011-09-08 Thread mohamed.boucadair
Hi Rémi, Please see inline. Cheers, Med De : Rémi Després [mailto:despres.r...@laposte.net] Envoyé : mercredi 7 septembre 2011 14:06 À : BOUCADAIR Mohamed OLNC/NAD/TIP Cc : Jacni Qin; Softwires-wg; Wojciech Dec Objet : Re: [Softwires] Analysis of Port Indexing

Re: [Softwires] Analysis of Port Indexing Algorithms (draft-bsd-softwire-stateless-port-index-analysis)

2011-09-09 Thread mohamed.boucadair
Dear Gang, The logic we adopted for guessing complexity of a valid port and for the whole range is as mentioned in http://tools.ietf.org/html/draft-bsd-softwire-stateless-port-index-analysis-00#section-2: In each analyzed port derivation algorithm, an attacker may implement a redirection

Re: [Softwires] Requirements for extending IPv6 addresses with port range (draft-boucadair-softwire-stateless-requirements)

2011-09-09 Thread mohamed.boucadair
Dear all, To avoid confusion with address format discussion, we generated an document grouping a set of requirements to be met by stateless solutions. I know some of you have in mind a set of features to be supported. These features may be translated into requirements. Comments and inputs are

[Softwires] Stateless Motivations I-D: call for review

2011-09-12 Thread mohamed.boucadair
Dear all, A new version of the motivations I-D is available at: http://tools.ietf.org/html/draft-ietf-softwire-stateless-4v6-motivation-00 I updated the I-D according to the conclusions of this thread: http://www.ietf.org/mail-archive/web/softwires/current/msg02558.html. The changes since

Re: [Softwires] Analysis of Port Indexing Algorithms (draft-bsd-softwire-stateless-port-index-analysis)

2011-09-12 Thread mohamed.boucadair
Hi Rémi, Thank you for this input. As for the differentiated port sets, I'm planning to add the following properties to -01 of draft-bsd-* (need to be discussed with my co-authors): o Differentiated Port Sets (Bound to the same IP address): Capability to assign port sets of

Re: [Softwires] Analysis of Port Indexing Algorithms (draft-bsd-softwire-stateless-port-index-analysis)

2011-09-13 Thread mohamed.boucadair
Hi Rémi, Thank you or your answer but my question was not on the CPE side but the operations at the border router side. Cheers, Med -Message d'origine- De : Rémi Després [mailto:despres.r...@laposte.net] Envoyé : lundi 12 septembre 2011 17:05 À : BOUCADAIR Mohamed OLNC/NAD/TIP Cc :

Re: [Softwires] Analysis of Port Indexing Algorithms (draft-bsd-softwire-stateless-port-index-analysis)

2011-09-13 Thread mohamed.boucadair
Hi Rémi, I didn't get my answer yet. I'm looking for the explanation about the behaviour of an 6/4 interconnection node receiving IPv4 packets destined to CPEs assigned with port sets of different sizes. What is the configuration of that node? Cheers, Med -Message d'origine- De :

[Softwires] RE : Analysis of Port Indexing Algorithms (draft-bsd-softwire-stateless-port-index-analysis)

2011-09-14 Thread mohamed.boucadair
Hi Behcet, This property aims to assess if the proposed algorithms: 1. Preserve the port parity as discussed in Section 4.2.2 of [RFC4787]. and 2. Preserve port contiguity as discussed in Section 4.2.3 of [RFC4787] (i.e., RTCP=RTP+1). An elaboration is also provided in:

Re: [Softwires] Analysis of Port Indexing Algorithms (draft-bsd-softwire-stateless-port-index-analysis)

2011-09-19 Thread mohamed.boucadair
Dear Gang, Please see inline. Cheers, Med -Message d'origine- De : GangChen [mailto:phdg...@gmail.com] Envoyé : samedi 17 septembre 2011 10:29 À : BOUCADAIR Mohamed OLNC/NAD/TIP Cc : Simon Perreault; softwires@ietf.org Objet : Re: [Softwires] Analysis of Port Indexing Algorithms

Re: [Softwires] RE : Analysis of Port Indexing Algorithms (draft-bsd-softwire-stateless-port-index-analysis)

2011-09-20 Thread mohamed.boucadair
Hi Behcet, It is part of the service provider business to offer services which rely on the 0-1023 range even in a shared address environment (e.g., host an FTP server, etc.). Because statically not all subscribers use these features, the whole 0-1023 range may be assigned only to few

Re: [Softwires] Keeping support of CE IPv4 prefixes in the v4/v6 address mapping?

2011-11-03 Thread mohamed.boucadair
Hi Rémi, all, Since there is only an excerpt of e-mails, I lost the context. Could you please clarify what is the issue discussed here? Thanks. Cheers, Med -Message d'origine- De : Rémi Després [mailto:despres.r...@laposte.net] Envoyé : jeudi 3 novembre 2011 10:05 À : Jacni

[Softwires] Closing draft-ietf-softwire-stateless-4v6-motivation

2012-02-10 Thread mohamed.boucadair
Dear WG members, I would like to close this document so that we can meet the following item from the WG Charter: 4. Developments for stateless legacy IPv4 carried over IPv6 - develop a solution motivation document to be published as an RFC - develop a protocol specification response to the

Re: [Softwires] Closing draft-ietf-softwire-stateless-4v6-motivation

2012-02-13 Thread mohamed.boucadair
Dear Cameron, Yes, I know it is tempting to have such section but it won't help in making a decision and, furthermore, it may maintain a tension between stateless and stateful camps. We tried in the document to be neutral as much as possible and avoid claiming stateless is superior to stateful

Re: [Softwires] Closing draft-ietf-softwire-stateless-4v6-motivation

2012-02-20 Thread mohamed.boucadair
Dear chairs, WG members, The answers received so far are in favour of initiating a WG LC on this document. As an editor of the document, I would like to progress this document for the next IETF meeting. Chairs, could you please issue the WG LC? Thanks. Cheers, Med -Message

[Softwires] draft-penno-softwire-sdnat vs. draft-cui-softwire-b4-translated-ds-lite

2012-03-13 Thread mohamed.boucadair
Hi Reinaldo, all, I read the updated version of draft-penno-softwire-sdnat. I like this new version. Below some questions for clarification: (1) draft-penno is converging to what is documented in draft-cui-softwire-b4-translated-ds-lite: (*) Question 1: It is not clear in text if

Re: [Softwires] draft-penno-softwire-sdnat vs. draft-cui-softwire-b4-translated-ds-lite

2012-03-14 Thread mohamed.boucadair
Hi Francis, Please see inline. Cheers, Med -Message d'origine- De : francis.dup...@fdupont.fr [mailto:francis.dup...@fdupont.fr] Envoyé : mardi 13 mars 2012 17:56 À : BOUCADAIR Mohamed OLNC/NAD/TIP Cc : draft-penno-softwire-sd...@tools.ietf.org; Softwires WG;

Re: [Softwires] draft-penno-softwire-sdnat vs.draft-cui-softwire-b4-translated-ds-lite

2012-03-14 Thread mohamed.boucadair
Re-, Thanks Rajiv for the pointer. BTW unlike the constraints we have in MAP (e.g., the bits forming PSID must be adjacent), draft-cui-* and the like can use pseudo-random algorithms to generate port ranges. Cheers, Med -Message d'origine- De : Rajiv Asati (rajiva)

Re: [Softwires] draft-penno-softwire-sdnat vs. draft-cui-softwire-b4-translated-ds-lite

2012-03-14 Thread mohamed.boucadair
Dear Qiong, Please see inline. Cheers, Med De : Qiong [mailto:bingxu...@gmail.com] Envoyé : mercredi 14 mars 2012 00:50 À : Francis Dupont Cc : BOUCADAIR Mohamed OLNC/NAD/TIP; Softwires WG; draft-cui-softwire-b4-translated-ds-lite;

Re: [Softwires] draft-penno-softwire-sdnat vs. draft-cui-softwire-b4-translated-ds-lite

2012-03-14 Thread mohamed.boucadair
Re-, Thanks Alain for the answers. Please see inline. Cheers, Med -Message d'origine- De : Alain Durand [mailto:adur...@juniper.net] Envoyé : mercredi 14 mars 2012 12:11 À : BOUCADAIR Mohamed OLNC/NAD/TIP Cc : draft-penno-softwire-sd...@tools.ietf.org; Softwires WG;

Re: [Softwires] draft-penno-softwire-sdnat vs. draft-cui-softwire-b4-translated-ds-lite

2012-03-15 Thread mohamed.boucadair
Re-, Please see inline. Cheers, Med -Message d'origine- De : Alain Durand [mailto:adur...@juniper.net] Envoyé : jeudi 15 mars 2012 12:11 À : BOUCADAIR Mohamed OLNC/NAD/TIP Cc : draft-penno-softwire-sd...@tools.ietf.org; Softwires WG; draft-cui-softwire-b4-translated-ds-lite

Re: [Softwires] draft-penno-softwire-sdnat vs. draft-cui-softwire-b4-translated-ds-lite

2012-03-16 Thread mohamed.boucadair
Hi Francis, Yes, you are right. There is no explicit method in PCP to get the external IP address. You know we have both asked for it in early days of PCP but the WG consensus was that we can mimic this by using MAP with short lifetime. As for your PS, this a discussion point for the PCP WG.

Re: [Softwires] draft-penno-softwire-sdnat vs. draft-cui-softwire-b4-translated-ds-lite

2012-03-20 Thread mohamed.boucadair
Hi Yiu, Sending back an ICMP message when receiving a port out of range should be configurable IMHO. When receiving a port out of range, the behaviour of REQ#12 (A, B and C) of http://tools.ietf.org/html/draft-ietf-behave-lsn-requirements-05#section-3 can be followed by the AFTR. No need to

Re: [Softwires] [MBONED] ask for adoption of draft-qin-softwire-multicast-prefix-option

2012-03-21 Thread mohamed.boucadair
Dear Stig, For sure mboned will had the opportunity to review it. No matter where the document is specified if a piece of work is needed. This is the kind of cross-WG documents that would require some flexibility form the IETF to make progress. Cheers, Med -Message d'origine- De :

Re: [Softwires] Fragmentation in sdnat-02

2012-03-21 Thread mohamed.boucadair
Dear Washam, This is an issue common to all stateless solutions, including deterministic NAT with (anaycast) IPv4 address pool. FWIW, we recorded this issue here: http://tools.ietf.org/html/draft-dec-stateless-4v6-04#section-5.15.2. As a solution to this issue, we proposed to implement the

Re: [Softwires] Fragmentation in sdnat-02

2012-03-22 Thread mohamed.boucadair
Dear Gang, Thanks, but I failed to find the text describing how to handle two fragments received by two distinct BRs. Could you please point me to that text in case I miss it? Cheers, Med -Message d'origine- De : GangChen [mailto:phdg...@gmail.com] Envoyé : jeudi 22 mars 2012 08:33 À

Re: [Softwires] Fragmentation in sdnat-02

2012-03-23 Thread mohamed.boucadair
Hi Rémi, This is well understood. The issue and the behaviour you are describing is common to all address sharing solutions with or without NAT; including all A+P flavours (MAP, 4rd, SDNAT). The point is: ** IF ** the issue raised by Washam is judged ** SEVERE ** issue, consider the solution

Re: [Softwires] Path to move forward with 4rd.

2012-03-23 Thread mohamed.boucadair
Dear WG members, I didn't had time to read the last version of 4rd-U but I read carefully -03 when it was published. I really appreciated the work done by Rémi to write down -03. The document is well written, easy to read and the requirements are clearly sketched. I really think this spirit

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

2012-04-26 Thread mohamed.boucadair
Dear all, I personally regret this decision and reject the justifications provided. If you don't want people to contribute and express their opinion, it is easy: make it a close community. If you insist to ignore what expressed the majority of individuals who participated to the poll, may I

Re: [Softwires] WG last call on draft-ietf-softwire-dslite-multicast-02

2012-06-07 Thread mohamed.boucadair
Hi Simon, We tried in this document to avoid as much as possible including implementation details but instead we focused on the external behaviour of the interworking functions. Let me recall there are already available implementations based on the specification of

Re: [Softwires] WG last call on draft-ietf-softwire-dslite-multicast-02

2012-06-07 Thread mohamed.boucadair
Re-, See inline. Cheers, Med -Message d'origine- De : Simon Perreault [mailto:simon.perrea...@viagenie.ca] Envoyé : jeudi 7 juin 2012 15:47 À : BOUCADAIR Mohamed OLNC/NAD/TIP Cc : Yong Cui; softwires@ietf.org Objet : Re: [Softwires] WG last call on

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

2012-06-07 Thread mohamed.boucadair
Hi Peng, I vote for having one single document which covers both shared and full IPv4 address. If you start for instance from draft-cui-softwire-b4-translated-ds-lite, what is needed is to add one sentence to say a full IPv4 address can be provisioned. Does this make

Re: [Softwires] WG last call on draft-ietf-softwire-dslite-multicast-02

2012-06-08 Thread mohamed.boucadair
Hi Woj, Your comment is valid. The point I wanted to make is to recall the initial motivation of this draft: solve an issue raised by DS-Lite people. Evidently, the proposed approach can be deployed in any 4-6-4 scenario. This will be reflected in the updated version of the draft. Cheers,

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

2012-06-08 Thread mohamed.boucadair
Dear Dapeng, Please see inline. Cheers, -Message d'origine- De : liu dapeng [mailto:maxpass...@gmail.com] Envoyé : vendredi 8 juin 2012 13:49 À : BOUCADAIR Mohamed OLNC/NAD/TIP Cc : Yong Cui; softwires@ietf.org Objet : Re: [Softwires] WG last call on

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

2012-06-11 Thread mohamed.boucadair
Hi Dapeng, A state maintained in the endpoint does not make the solution stateful, see this excerpt from RFC1958: This principle has important consequences if we require applications to survive partial network failures. An end-to-end protocol design should not rely on the maintenance

Re: [Softwires] WG last call on draft-ietf-softwire-dslite-multicast-02

2012-06-11 Thread mohamed.boucadair
Hi Behcet, I failed to understand the point you are trying to make. The current situations is: * this document provides multicast extension to deliver multicast to DS-Lite serviced customers * we rely on multicast capabilities, as such no AMT-like considerations are included * the proposed

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

2012-06-11 Thread mohamed.boucadair
Re-, I was answering to your last proposed wording to include the port translation in the host. Except that change, all your proposed changes are included in my local copy: * The title has been updated as your requested * The introduction has been updated. Cheers, Med -Message

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

2012-06-11 Thread mohamed.boucadair
Hi Yiu, Works for me. Thanks. Cheers, Med -Message d'origine- De : Lee, Yiu [mailto:yiu_...@cable.comcast.com] Envoyé : lundi 11 juin 2012 16:54 À : BOUCADAIR Mohamed OLNC/NAD/TIP; liu dapeng Cc : softwires@ietf.org; Yong Cui Objet : Re: [Softwires] WG last call on

Re: [Softwires] I-D Action: draft-ietf-softwire-stateless-4v6-motivation-02.txt

2012-06-12 Thread mohamed.boucadair
Re-, Please see inline. Cheers, Med -Message d'origine- De : liu dapeng [mailto:maxpass...@gmail.com] Envoyé : mardi 12 juin 2012 11:49 À : BOUCADAIR Mohamed OLNC/NAD/TIP Cc : softwires@ietf.org Objet : Re: [Softwires] I-D Action: draft-ietf-softwire-stateless-4v6-motivation-02.txt

Re: [Softwires] WG last call on draft-ietf-softwire-dslite-multicast-02

2012-06-13 Thread mohamed.boucadair
Behcet, If you are suggesting we need get rid of multicast capabilities and use unicast between the AFTR and B4, I still claim this is a bad design choice. The rationale for the design documented in the draft is as follows (excerpt from the draft): If customers have to access IPv4

Re: [Softwires] WG last call on draft-ietf-softwire-dslite-multicast-02

2012-06-13 Thread mohamed.boucadair
Re-, Did you read draft-ietf-softwire-dslite-multicast? I have some doubts given your message below. Cheers, Med -Message d'origine- De : Behcet Sarikaya [mailto:sarikaya2...@gmail.com] Envoyé : lundi 11 juin 2012 18:08 À : BOUCADAIR Mohamed OLNC/NAD/TIP Cc : softwires@ietf.org;

Re: [Softwires] I-D Action: draft-ietf-softwire-stateless-4v6-motivation-02.txt

2012-06-13 Thread mohamed.boucadair
Re-, Please see inline. Cheers, Med -Message d'origine- De : liu dapeng [mailto:maxpass...@gmail.com] Envoyé : mercredi 13 juin 2012 12:09 À : BOUCADAIR Mohamed OLNC/NAD/TIP Cc : softwires@ietf.org Objet : Re: [Softwires] I-D Action:

Re: [Softwires] I-D Action: draft-ietf-softwire-stateless-4v6-motivation-02.txt

2012-06-13 Thread mohamed.boucadair
Hi Tom, Thank for the proposal. I can update the text with your proposed wording if Dapeng is OK. Dapeng, are you happy with the text proposed by Tom? Cheers, Med -Message d'origine- De : Tom Taylor [mailto:tom.taylor.s...@gmail.com] Envoyé : mercredi 13 juin 2012 17:44 À :

Re: [Softwires] [softwire] #10: Nothing in common with DS-Lite

2012-07-27 Thread mohamed.boucadair
Dear all, I really don't understand this issue. It is even misplaced to have this comment at this stage, since this is a document which has been adopted by the WG and the solution it specifies is the same as the one reviewed by the WG prior to its adoption (i.e., since April 2011). Anyway,

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

2012-07-27 Thread mohamed.boucadair
Woj, The argument you are raising applies also for (1) and (3): one can argue this justifies editing an RFC6333-bis to cover the per-subscriber state case ;-) As I mentioned in my first message, MAP can be extended to cover the per-subscriber case at the cost of adding confusion by abandoning

Re: [Softwires] [softwire] #10: Nothing in common with DS-Lite

2012-07-27 Thread mohamed.boucadair
Re-, Yes, the CGN is not required. This design choice is motivated in the draft (read the Introduction text). What is the issue then? If you are saying this is a generic solution and it does not apply only to ds-lite, this point is taken (see the note below). Cheers, Med

Re: [Softwires] [softwire] #10: Nothing in common with DS-Lite

2012-07-30 Thread mohamed.boucadair
Hi Stig, Wouldn't be sufficient enough to add this sentence to the abstract and the Introduction: The proposed solution can be deployed for other 4-6-4 use cases. Thanks. Cheers, Med -Message d'origine- De : Stig Venaas [mailto:s...@venaas.com] Envoyé : vendredi 27 juillet 2012

Re: [Softwires] [softwire] #10: Nothing in common with DS-Lite

2012-07-30 Thread mohamed.boucadair
Hi Behcet, Please see inline. Cheers, Med -Message d'origine- De : Behcet Sarikaya [mailto:sarikaya2...@gmail.com] Envoyé : vendredi 27 juillet 2012 18:48 À : BOUCADAIR Mohamed OLNC/NAD/TIP Cc : softwire issue tracker; draft-ietf-softwire-dslite-multic...@tools.ietf.org;

[Softwires] draft-ietf-softwire-dslite-multicast-03

2012-08-23 Thread mohamed.boucadair
Dear all, A new version taking into account comments received during the WGLC has been submitted. The main changes are: * change the title * clarify the solution is generic for any 4-6-4 use case and the solution has been designed with DS-Lite in mind * add a discussion about scoping: preserve

Re: [Softwires] draft-ietf-softwire-dslite-multicast-03

2012-08-23 Thread mohamed.boucadair
Hi Behcet, I'm ready to record in the document whatever the WG agrees to do. But as far as I know the solution which consists in encapsulating all multicast flows to the unicast AFTR has not been accepted by the working group. The drawbacks are even been documented in this draft. I'm aware

[Softwires] draft-cordeiro-softwire-experience-mapt

2012-09-18 Thread mohamed.boucadair
Dear Edwin, Thank you for sharing the experiment results. I saw you made tests for torrent applications. FWIW, we had done an extensive testing of this application. The results of these testing are valid for all address sharing variants (including A+P):

Re: [Softwires] [Gen-art] Review: draft-ietf-softwire-stateless-4v6-motivation-04

2012-10-05 Thread mohamed.boucadair
Dear Joel, Thank you for the review. Please see inline. Cheers, Med -Message d'origine- De : softwires-boun...@ietf.org [mailto:softwires-boun...@ietf.org] De la part de Joel M. Halpern Envoyé : vendredi 5 octobre 2012 17:15 À : A. Jean Mahoney Cc : softwires@ietf.org;

Re: [Softwires] [Gen-art] Review: draft-ietf-softwire-stateless-4v6-motivation-04

2012-10-08 Thread mohamed.boucadair
Dear Joel, Please see inline. Cheers, Med -Message d'origine- De : Joel M. Halpern [mailto:j...@joelhalpern.com] Envoyé : vendredi 5 octobre 2012 17:52 À : BOUCADAIR Mohamed OLNC/OLN Cc : A. Jean Mahoney; softwires@ietf.org; gen-...@ietf.org; Yong Cui;

Re: [Softwires] I-D Action: draft-ietf-softwire-multicast-prefix-option-02.txt

2012-10-17 Thread mohamed.boucadair
Dear all, A new version was submitted with the following change: * Remove a normative reference. We believe this version is ready for a WGLC. Cheers, Med -Message d'origine- De : softwires-boun...@ietf.org [mailto:softwires-boun...@ietf.org] De la part de internet-dra...@ietf.org

Re: [Softwires] I-D Action: draft-ietf-softwire-multicast-prefix-option-02.txt

2012-10-18 Thread mohamed.boucadair
Dear Ted, Please see inline. Cheers, Med -Message d'origine- De : Ted Lemon [mailto:ted.le...@nominum.com] Envoyé : jeudi 18 octobre 2012 14:51 À : BOUCADAIR Mohamed OLNC/OLN Cc : softwires@ietf.org Objet : Re: [Softwires] I-D Action: draft-ietf-softwire-multicast-prefix-option-02.txt

Re: [Softwires] I-D Action: draft-ietf-softwire-dslite-multicast-04.txt

2012-10-18 Thread mohamed.boucadair
Behcet, Please see inline. Cheers, Med -Message d'origine- De : Behcet Sarikaya [mailto:sarikaya2...@gmail.com] Envoyé : jeudi 18 octobre 2012 21:40 À : BOUCADAIR Mohamed OLNC/OLN Cc : softwires@ietf.org Objet : Re: [Softwires] I-D Action: draft-ietf-softwire-dslite-multicast-04.txt

[Softwires] Unified Softwire CPE: draft-bfmk-softwire-unified-cpe

2012-11-29 Thread mohamed.boucadair
Dear all, As agreed in Atlanta, we prepared an I-D describing a proposed approach for the unified CPE. We hope this version is a good starting point to have fruitful discussion. Your comments, suggestions and contributions are more than welcome. Cheers, Med -Message d'origine- De

Re: [Softwires] Unified Softwire CPE: draft-bfmk-softwire-unified-cpe

2012-11-30 Thread mohamed.boucadair
Dear Maoke, Thank you for the review and comments. Please see inline. Cheers, Med De : Maoke [mailto:fib...@gmail.com] Envoyé : vendredi 30 novembre 2012 03:31 À : Suresh Krishnan Cc : BOUCADAIR Mohamed OLNC/OLN; draft-cui-softwire-b4-translated-ds-lite;

Re: [Softwires] Unified Softwire CPE: draft-bfmk-softwire-unified-cpe

2012-11-30 Thread mohamed.boucadair
Hi Woj, Many thanks for the comments. Please see inline. Cheers, Med -Message d'origine- De : Wojciech Dec (wdec) [mailto:w...@cisco.com] Envoyé : vendredi 30 novembre 2012 11:42 À : BOUCADAIR Mohamed OLNC/OLN; draft-ietf-softwire-...@tools.ietf.org;

Re: [Softwires] Unified Softwire CPE: draft-bfmk-softwire-unified-cpe

2012-11-30 Thread mohamed.boucadair
Hi Simon, Please see inline. Cheers, Med -Message d'origine- De : softwires-boun...@ietf.org [mailto:softwires-boun...@ietf.org] De la part de Simon Perreault Envoyé : vendredi 30 novembre 2012 13:59 À : softwires@ietf.org Objet : Re: [Softwires] Unified Softwire CPE:

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