Re: Hop-by-Hop Extension Header processed in Slow Path?

2011-02-04 Thread marcelo bagnulo braun
Hi Thomas, I would like to hear your take on how we should encode conex information in IPv6 packets (http://datatracker.ietf.org/wg/conex/charter/) This is critical for conex and we are not clear on how we could do this in a way that could be deployed. Thanks in advance for any opinions

Re: [BEHAVE] Reason(s) for Modified EUI-64 format to apply to ALL non-0::/3 IPv6 addresses ?

2009-12-11 Thread marcelo bagnulo braun
Xu Xiaohu escribió: -邮件原件- 发件人: marcelo bagnulo braun [mailto:marc...@it.uc3m.es] 发送时间: 2009年12月10日 23:41 收件人: Xu Xiaohu 抄送: 'Christian Huitema'; beh...@ietf.org; ipv6@ietf.org 主题: Re: [BEHAVE] Reason(s) for Modified EUI-64 format to apply to ALL non-0::/3 IPv6 addresses ? Xu

Re: [BEHAVE] Reason(s) for Modified EUI-64 format to apply to ALL non-0::/3 IPv6 addresses ?

2009-12-10 Thread marcelo bagnulo braun
Xu Xiaohu escribió: -邮件原件- 发件人: marcelo bagnulo braun [mailto:marc...@it.uc3m.es] 发送时间: 2009年12月10日 9:26 收件人: Xu Xiaohu 抄送: 'Christian Huitema'; beh...@ietf.org; ipv6@ietf.org 主题: Re: [BEHAVE] Reason(s) for Modified EUI-64 format to apply to ALL non-0::/3 IPv6 addresses ? Xu

Re: [BEHAVE] Reason(s) for Modified EUI-64 format to apply to ALL non-0::/3 IPv6 addresses ?

2009-12-09 Thread marcelo bagnulo braun
Christian Huitema escribió: At least the former usage has some certain applications. For example, in case of NAT64, if a dual-stack host could distinguish synthesized IPv6 addresses from native IPv6 addresses, it will not prefer a synthesized IPv6 address to an IPv4 address for initiating a

Re: [BEHAVE] Reason(s) for Modified EUI-64 format to apply to ALL non-0::/3 IPv6 addresses ?

2009-12-09 Thread marcelo bagnulo braun
Christian Huitema escribió: It seems ok to redefine the specification once the constraint on IPv4-embeded IPv6 addresses has been removed, just as what we are now doing on SIIT. (E.g., replacing the IPv4-Compatible IPv6 Address and IPv4-Mapped IPv6 Address with IPv4-translatable IPv6 address and

Re: [BEHAVE] Reason(s) for Modified EUI-64 format to apply to ALL non-0::/3 IPv6 addresses ?

2009-12-09 Thread marcelo bagnulo braun
Xu Xiaohu escribió: -邮件原件- 发件人: behave-boun...@ietf.org [mailto:behave-boun...@ietf.org] 代表 marcelo bagnulo braun 发送时间: 2009年12月9日 21:24 收件人: Christian Huitema 抄送: beh...@ietf.org; Xu Xiaohu; ipv6@ietf.org 主题: Re: [BEHAVE] Reason(s) for Modified EUI-64 format to apply to ALL

Re: Node Requirements: Issue 13 - CGA/SeND support

2009-07-23 Thread marcelo bagnulo braun
Thomas Narten escribió: What information do we have from the real world about deployability? It would be foolish to mandate something that doesn't work well. I think these are key questions we need to think hard about. As far as I can tell, SEND has not been implemented in any

Re: [BEHAVE] Perils of structured host identifiers

2009-07-08 Thread marcelo bagnulo braun
Iljitsch van Beijnum escribió: On 8 jul 2009, at 9:42, marcelo bagnulo braun wrote: for example, suppose you want to run shim6 on the nat64 box, how would you do it if you cannot use the lower 64 bits to store crypto info? So then you would have one NAT64 with two Prefix64s, where the CGA

Re: [BEHAVE] Perils of structured host identifiers

2009-07-06 Thread marcelo bagnulo braun
Christian Huitema escribió: May I throw a dose of caution in this debate about host identifiers formats? Many transition mechanisms rely on encoding information in the 64 bit host identifier. This is of course a tempting design point, because it diminishes the amount of state that servers

Re: draft-baker-6man-multiprefix-default-route-00.txt is a newdraft

2007-11-13 Thread marcelo bagnulo braun
Hi Albert, El 12/11/2007, a las 19:28, Manfredi, Albert E escribió: I found nothing objectionable at all in the draft. Matter of fact, it seems to address something that also occurs with IPv4, with multihomed hosts. And that apparently, some OSs screw up royally. Which is, if a multi-homed

Re: draft-baker-6man-multiprefix-default-route-00.txt is a newdraft

2007-11-12 Thread marcelo bagnulo braun
Hi Havard, El 12/11/2007, a las 17:27, Havard Eidnes escribió: AFAIU, you are essentially proposing to perform source address based routing by the hosts and by the routers in a multiprefix site, is that correct? I don't like the term, because I first do a destination lookup and only look up

Re: RFC3484 problem: scoping with site-locals/ULAs

2006-05-16 Thread marcelo bagnulo braun
El 15/05/2006, a las 17:54, Rémi Denis-Courmont escribió: Le Dimanche 14 Mai 2006 17:44, vous avez écrit : El 13/05/2006, a las 12:14, Rémi Denis-Courmont escribió: There are possibly more troublesome issues: 1/ how to handle UDP, which is also supported by getaddrinfo(), and has more varied

Re: RFC3484 problem: scoping with site-locals/ULAs

2006-05-11 Thread marcelo bagnulo braun
El 10/05/2006, a las 18:45, Rémi Denis-Courmont escribió: Le Mercredi 10 Mai 2006 10:35, marcelo bagnulo braun a écrit : ulas and private address can be used to reach a global destiantion address heavily depending on the local setup, hence local configuration per case is needed in the general

Re: RFC3484 problem: scoping with site-locals/ULAs

2006-05-11 Thread marcelo bagnulo braun
El 11/05/2006, a las 1:21, Perry Lorier escribió: Rémi Denis-Courmont wrote: Le Mercredi 10 Mai 2006 10:35, marcelo bagnulo braun a écrit : ulas and private address can be used to reach a global destiantion address heavily depending on the local setup, hence local configuration per case

Re: RFC3484 problem: scoping with site-locals/ULAs

2006-05-11 Thread marcelo bagnulo braun
El 10/05/2006, a las 18:49, Durand, Alain escribió: In my previous live, we were all using a large server for many things. That server had 17 physical interfaces. Each interface had one IPv4 address and 2 IPv6 addressses. Each client had also one IPv4 address and two IPv6 addresses. That

Re: RFC3484 problem: scoping with site-locals/ULAs

2006-05-11 Thread marcelo bagnulo braun
El 11/05/2006, a las 12:10, David Woodhouse escribió: On Thu, 2006-05-11 at 09:53 +0300, marcelo bagnulo braun wrote: right, but i guess it should be possible to define some heuristics to reduce the number of attempts since it is likely that several of those addresses have the same

Re: RFC3484 problem: scoping with site-locals/ULAs

2006-05-10 Thread marcelo bagnulo braun
El 09/05/2006, a las 17:27, Pekka Savola escribió: 2) v6 ULA address selection problems Deploying ULAs doesn't help here, it just makes the problem worse as you couldn't even use the 'matching scope' tweak. Do we need to specify that v6 ULAs should be treated as site scope for the

Re: I-D ACTION:draft-bagnulo-ipv6-rfc3484-update-00.txt

2005-12-06 Thread marcelo bagnulo braun
Hi Francis, thanks for your feedback comments below... El 05/12/2005, a las 10:46, Francis Dupont escribió: In your previous mail you wrote: Comments? = I have some comments: - if the border router for X to A knows the outage it can deprecate the A prefix and propagate the

Re: Solutions for distributing RFC 3484 address selection policies

2005-08-12 Thread marcelo bagnulo braun
Hi Greg, El 12/08/2005, a las 2:14, Greg Daley escribió: Is this what people want to use the proposed option for, though? Or are they just interested in providing an information service about the advertised prefixes? I guess that it also would make sense to provide label/preference

Re: [GLOBAL-V6] Re: I-D ACTION:draft-narten-ipv6-3177bis-48boundary-00.txt

2005-07-19 Thread marcelo bagnulo braun
Is it practical to change in other regions? We had a discussion about IPv6 address management in the LACNIC VIII meeting in Lima (30 of june 2005) and my reading of the comments of the meeting is that they are pretty much in line with the considerations expressed by Thomas in his drafts.

Re: [GLOBAL-V6] Re: I-D ACTION:draft-narten-ipv6-3177bis-48boundary-00.txt

2005-07-18 Thread marcelo bagnulo braun
Hi Kosuke, El 18/07/2005, a las 15:12, Kosuke Ito escribió: marcelo bagnulo braun wrote: Hi, El 14/07/2005, a las 16:43, Kosuke Ito escribió: Do we like to creat SWAMP already? i fail to understand why this change would create swamp? could you expand on this? I just extend my

Re: [GLOBAL-V6] Re: I-D ACTION:draft-narten-ipv6-3177bis-48boundary-00.txt

2005-07-17 Thread marcelo bagnulo braun
Hi, El 14/07/2005, a las 16:43, Kosuke Ito escribió: Do we like to creat SWAMP already? i fail to understand why this change would create swamp? could you expand on this? Regarding the assignment size, when we held JP Open Policy Meeting last week, there are many voices saying that