Re: [Softwires] IPv4 Residual Deployment - Unified-standard proposal 4rd

2012-03-15 Thread Rémi Després
Le 2012-03-15 à 10:29, Maoke a écrit : 2012/3/15 Maoke fib...@gmail.com 2012/3/15 Rémi Després despres.r...@laposte.net Le 2012-03-15 à 10:02, Maoke a écrit : 2012/3/15 Rémi Després remi.desp...@free.fr Maoke, Let's try, once more, to understand each other. If we

Re: [Softwires] IPv4 Residual Deployment - Unified-standard proposal 4rd

2012-03-15 Thread Maoke
2012/3/15 Rémi Després despres.r...@laposte.net Le 2012-03-15 à 10:22, Maoke a écrit : 2012/3/15 Rémi Després despres.r...@laposte.net Le 2012-03-15 à 10:02, Maoke a écrit : 2012/3/15 Rémi Després remi.desp...@free.fr Maoke, Let's try, once more, to understand each other. If we

[Softwires] 4rd-u tunnels and stateful NAT64s

2012-03-15 Thread Rémi Després
Maoke, Thanks for this question. This subject being new, I take it on a new thread. 2012-03-15 10:38, Maoke: ... i didn't understand the how the stateful NAT64 benefits from CNP. The point is that if a NAT64 is upgraded to support 4rd-u tunnels (thus becoming a NAT64+) it can take IPv6

Re: [Softwires] 4rd-u tunnels and stateful NAT64s

2012-03-15 Thread Rémi Després
Le 2012-03-15 à 10:59, Rémi Després a écrit : Maoke, Thanks for this question. This subject being new, I take it on a new thread. 2012-03-15 10:38, Maoke: ... i didn't understand the how the stateful NAT64 benefits from CNP. The point is that if a NAT64 is upgraded to support 4rd-u

Re: [Softwires] 4rd-u tunnels and stateful NAT64s

2012-03-15 Thread Rémi Després
Le 2012-03-15 à 11:45, Maoke a écrit : i understand NAT64 makes translation between arbitrary IPv6 address to arbitrary IPv4 address. i don't understand how you make CNP in any IPv6 address. in other words, we cannot limit NAT64 stateful service only serve those IPv6 addresses with

Re: [Softwires] IPv4 Residual Deployment - Unified-standard proposal 4rd

2012-03-15 Thread Rémi Després
Le 2012-03-15 à 11:40, Maoke a écrit : 2012/3/15 Rémi Després despres.r...@laposte.net Le 2012-03-15 à 10:29, Maoke a écrit : 2012/3/15 Maoke fib...@gmail.com 2012/3/15 Rémi Després despres.r...@laposte.net Le 2012-03-15 à 10:02, Maoke a écrit : 2012/3/15 Rémi

Re: [Softwires] 4rd-u tunnels and stateful NAT64s

2012-03-15 Thread Maoke
2012/3/15 Rémi Després despres.r...@laposte.net Le 2012-03-15 à 11:45, Maoke a écrit : i understand NAT64 makes translation between arbitrary IPv6 address to arbitrary IPv4 address. i don't understand how you make CNP in any IPv6 address. in other words, we cannot limit NAT64 stateful

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] IPv4 Residual Deployment - Unified-standard proposal 4rd

2012-03-15 Thread Maoke
2012/3/15 Rémi Després despres.r...@laposte.net Le 2012-03-15 à 11:40, Maoke a écrit : 2012/3/15 Rémi Després despres.r...@laposte.net Le 2012-03-15 à 10:29, Maoke a écrit : 2012/3/15 Maoke fib...@gmail.com 2012/3/15 Rémi Després despres.r...@laposte.net Le 2012-03-15 à 10:02,

Re: [Softwires] IPv4 Residual Deployment - Unified-standard proposal 4rd

2012-03-15 Thread Rémi Després
Le 2012-03-15 à 14:52, Maoke a écrit : 2012/3/15 Rémi Després despres.r...@laposte.net Le 2012-03-15 à 11:40, Maoke a écrit : 2012/3/15 Rémi Després despres.r...@laposte.net Le 2012-03-15 à 10:29, Maoke a écrit : 2012/3/15 Maoke fib...@gmail.com 2012/3/15 Rémi

Re: [Softwires] 4rd-u tunnels and stateful NAT64s

2012-03-15 Thread Rémi Després
Le 2012-03-15 à 14:47, Maoke a écrit : 2012/3/15 Rémi Després despres.r...@laposte.net Le 2012-03-15 à 11:45, Maoke a écrit : i understand NAT64 makes translation between arbitrary IPv6 address to arbitrary IPv4 address. i don't understand how you make CNP in any IPv6 address.

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

2012-03-15 Thread Alain Durand
On Mar 14, 2012, at 2:34 PM, Francis Dupont wrote: In your previous mail you wrote: However, the draft seems give people impression there is only one NAT at CPE(i.e. 2.3. Stateless DS-Lite CPE operation) and AFTR is responsible for decapsulation and IPv4 package validation. Did I miss

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

2012-03-15 Thread Francis Dupont
In your previous mail you wrote: Med: Why you need an IPv4 address to run PCP? An implementation example would be as follows: * At bootstrap of the CPE, once an AFTR is discovered, use the Plain IPv6 PCP mode and the new opcode and options defined in

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

2012-03-15 Thread Francis Dupont
In your previous mail you wrote: Med: The PCP case has been demoed. = My comment is about PCP without any extension. In the second demonstration scenario, the CPE requested several sets of noncontiguous ports (utilizing draft-tsou-pcp-natcoord-03 and

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

2012-03-15 Thread Francis Dupont
In your previous mail you wrote: [Qiong] We also have implemented and demoed in IETF 81th. Please refer to http://tools.ietf.org/id/draft-cui-softwire-b4-translated-ds-lite-04.txt in Appendix section. = same: my comment is about the base PCP for port range discovery. Regards

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

2012-03-15 Thread Francis Dupont
In your previous mail you wrote: 1) - we would have to define the DHCP port option. Not difficult but same amount of work as defining a new ICMP type. = is it a joke? DHCP has an extension mechanism, not ICMP. 2) - with the ICMP message, the ISP can change the port range without having to

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

2012-03-15 Thread Francis Dupont
In your previous mail you wrote: I failed to see how Stateless DS-Lite is different from B4 translated DS-lite. We need to first understand what sd-NAT is trying to solve, then decide whether it is needed or not. = I agree and IMHO they have the same issue: the per-CPE port range is far

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

2012-03-15 Thread Francis Dupont
In your previous mail you wrote: +1 Re-, Please see inline. (I cut here: too long and unreable with not-ASCII characters, quoted-printable silly coding and long lines) Regards francis.dup...@fdupont.fr ___ Softwires mailing list

Re: [Softwires] 4rd-u tunnels and stateful NAT64s

2012-03-15 Thread Maoke
2012/3/15 Rémi Després despres.r...@laposte.net Le 2012-03-15 à 14:47, Maoke a écrit : 2012/3/15 Rémi Després despres.r...@laposte.net Le 2012-03-15 à 11:45, Maoke a écrit : i understand NAT64 makes translation between arbitrary IPv6 address to arbitrary IPv4 address. i don't

Re: [Softwires] 4rd-u tunnels and stateful NAT64s

2012-03-15 Thread Maoke
on the other hand, may i suggest not to term 4rd tunnel anymore? it confuses. i emphasized it is NOT a TUNNEL to the common understanding at all (but it seems you never?seldom respond to this point, nor to the ICMP issue details. ) - maoke ___ Softwires

Re: [Softwires] I-D Action: draft-ietf-softwire-public-4over6-01.txt

2012-03-15 Thread Washam Fan
Hi Authors, For section 5.3, I think 2 things should be explicitly stated. 1. hairpinning should be supported on the 4over6 concentrator 2. when 4-in-6 packets received, the inner ipv4 src ip address should be checked against outter ipv6 src ip to see if they are match. (Actually, this should be

Re: [Softwires] I-D Action: draft-ietf-softwire-public-4over6-01.txt

2012-03-15 Thread Peng Wu
Hi Washam, Good points. Will add them in the next version. 2012/3/16 Washam Fan washam@gmail.com: Hi Authors, For section 5.3, I think 2 things should be explicitly stated. 1. hairpinning should be supported on the 4over6 concentrator 2. when 4-in-6 packets received, the inner ipv4 src