Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-transition-guidelines WGLC
Xing Li <xing@cernet.edu.cn> Fri, 10 September 2010 13:53 UTC
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Cc: 'Behave WG' <behave@ietf.org>, 'IPv6 v6ops' <v6ops@ops.ietf.org>, v4tov6transition@ietf.org
Subject: Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-transition-guidelines WGLC
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YangGL 写道: > Sorry, please let me emphasize my point again: I tested a deprecated NAT-PT > not because there isn't any stateless or stateful implementation (I know > about IVI). Reasons are as below: > 1. On the basis of theoretical analysis, IPv4 address embedded in payload is > a big problem to all kind of v6-v4 translation. At this point, I think there > is no big difference between NAT-PT and later technology. > IVI requires ALG, but dIVI (double IVI) does not require ALG. xing > 2. There is a Juniper firewall in my lab, it can support NAT-PT. So I can > carry on easily. > I don't want to argue again. Since many people question my test result, I am > going to do it again, welcome everybody to work with us, and Fred, please > give me the typical product list. > Please notice that the next test isn't an authentication entering China > telecom's network, just for study. > > > Best regards, > Yang Guoliang > > -----Original Message----- > From: Fred Baker [mailto:fred@cisco.com] > Sent: Friday, September 03, 2010 1:14 AM > To: YangGL > Cc: Yiu L. Lee; huang cancan; IPv6 v6ops; v4tov6transition@ietf.org; Kurt > Erik Lindqvist; Behave WG > Subject: Re: [v4tov6transition] draft-arkko-ipv6-transition-guidelines WGLC > > So you tested one implementation, one that uses a technology that the IETF > has deprecated (NAT-PT), and did not test the technology that has been > discussed in the behave working group under the name NAT64 (which is also a > stateful model). On the basis of testing one vendor's implementation of the > deprecated procedure, you assert that there is no implementation of the > behave technology that uses the stateless mode, and the stateful mode of the > behave technology that you didn't test either "doesn't work". > > Did I get that right? > > On Sep 2, 2010, at 2:33 AM, YangGL wrote: > > >> Hi Fred, >> The device in my NAT64 tests was NAT-PT from Juniper, it is stateful. >> Based on my knowledge of IPv4/IPv6 translation, the major differences >> > between stateful and stateless are bidirection and scalability. There are > similar impact to applications. My test goal is finding out the impact to > applications caused by IPv4/IPv6 translation, not whether a specific > translator work well. So I didn't test more products, also didn't run two > modes. > >> There are two major reasons for failure in my tests: >> 1. The protocols can't work with IPv4/IPv6 translator, such as IM and P2P. >> > There are IPv4 addresses embedded in payload, NAT-PT can't translate. > >> 2. The application programs are not designed for IPv6, such as some kind >> > of WEB browsers and Email clients. These programs can't work on the OS > without IPv4 address. > >> So far I cannot find a stateless/stateful solution to solve the problems >> > as above. > >> Best regards, >> Yang Guoliang >> >> >> -----Original Message----- >> From: Fred Baker [mailto:fred@cisco.com] >> Sent: Sunday, August 29, 2010 2:09 PM >> To: YangGL >> Cc: Yiu L. Lee; huang cancan; IPv6 v6ops; v4tov6transition@ietf.org; Kurt >> > Erik Lindqvist; Behave WG > >> Subject: Re: [v4tov6transition] draft-arkko-ipv6-transition-guidelines >> > WGLC > >> </chair> <!-- v6ops --> >> <author> <!-- draft-ietf-behave-v6v4-xlate --> >> >> May I ask a question? >> >> When you say you tested it with NAT64, what did you test with? >> >> There are two modes for translation between IPv4 and IPv6. The stateful >> > mode, described in draft-ietf-behave-v6v4-xlate-stateful, is essentially > identical in function to IPv4/IPv4 NAT, and allows IPv6 systems to connect > to IPv4 systems but not the reverse. The stateless mode, described in > draft-ietf-behave-v6v4-xlate, allows connections to be initiated in either > direction. The downside of the stateless mode is that it requires a direct > mapping between an IPv4 and an IPv6 address. The are two parts of a common > framework, use the same addressing plan, and the same DNS extension. > >> Are you running both modes, or only the stateful mode? If you are only >> > running the stateful mode, that what you're reporting is what we have been > saying for some time it will behave like. > >> http://datatracker.ietf.org/doc/draft-ietf-behave-address-format >> http://tools.ietf.org/html/draft-ietf-behave-address-format >> "IPv6 Addressing of IPv4/IPv6 Translators", Congxiao Bao, Christian >> Huitema, Marcelo Bagnulo, Mohammed Boucadair, Xing Li, 15-Aug-10, >> <draft-ietf-behave-address-format-10.txt> >> >> http://datatracker.ietf.org/doc/draft-ietf-behave-dns64 >> http://tools.ietf.org/html/draft-ietf-behave-dns64 >> "DNS64: DNS extensions for Network Address Translation from IPv6 Clients >> to IPv4 Servers", Marcelo Bagnulo, Andrew Sullivan, Philip Matthews, >> Iljitsch van Beijnum, 5-Jul-10, <draft-ietf-behave-dns64-10.txt> >> >> http://datatracker.ietf.org/doc/draft-ietf-behave-v6v4-framework >> http://tools.ietf.org/html/draft-ietf-behave-v6v4-framework >> "Framework for IPv4/IPv6 Translation", Fred Baker, Xing Li, Congxiao >> Bao, Kevin Yin, 17-Aug-10, <draft-ietf-behave-v6v4-framework-10.txt> >> >> http://datatracker.ietf.org/doc/draft-ietf-behave-v6v4-xlate >> http://tools.ietf.org/html/draft-ietf-behave-v6v4-xlate >> "IP/ICMP Translation Algorithm", Xing Li, Congxiao Bao, Fred Baker, >> 22-Aug-10, <draft-ietf-behave-v6v4-xlate-22.txt> >> >> http://datatracker.ietf.org/doc/draft-ietf-behave-v6v4-xlate-stateful >> http://tools.ietf.org/html/draft-ietf-behave-v6v4-xlate-stateful >> "Stateful NAT64: Network Address and Protocol Translation from IPv6 >> Clients to IPv4 Servers", Marcelo Bagnulo, Philip Matthews, Iljitsch van >> Beijnum, 12-Jul-10, <draft-ietf-behave-v6v4-xlate-stateful-12.txt> >> >> >> On Aug 28, 2010, at 5:40 PM, YangGL wrote: >> >> >>> Tests in my lab have proved that many popular applications cannot work on >>> > IPv6-only network with NAT64, such as IM, P2P, games, and part of video. WEB > and part of mail (Outlook and Outlook express) are the only applications we > can find working properly with NAT64. But there are more than 50% traffic is > P2P, WEB traffic is less than 20% on CT’s network. I think it is not a good > news to NAT64. > >>> Tests also prove that almost all of popular applications on Internet can >>> > work on IPv4-only network with single level and double level NAT44, such as > WEB, mail, IM, P2P, games, video and etc. > >>> NAT64 and NAT44 are similar in theory. But what make the difference of >>> > application support? I think it should be timing. NAT44 appears ten years > ago. There are a few applications on internet at that time. Subsequent > applications, such as IM, P2P, were designed to work with NAT44. NAT64 come > after this popular applications, situation is totally different. If NAT64 is > deployed on commercial network now, CT’s network traffic will cut down 70% > immediately, and most applications will release a new version for IPv6-only > or NAT64 in the next one year. But it is not a good idea to providers. > >>> Best regards, >>> Yang Guoliang >>> >>> 发件人: v4tov6transition-bounces@ietf.org >>> > [mailto:v4tov6transition-bounces@ietf.org] 代表 Yiu L. Lee > >>> 发送时间: 2010年8月25日 22:05 >>> 收件人: huang cancan >>> 抄送: Kurt Erik Lindqvist; IPv6 v6ops; v4tov6transition@ietf.org >>> 主题: Re: [v4tov6transition] draft-arkko-ipv6-transition-guidelines WGLC >>> >>> From user’s perspective, do they care IPv4 or IPv6? Most don’t. For >>> > example: a casual web user wants to access his/her favorite IPv4-only > website. If his web client and PC support IPv6 and on an IPv6-only network > with NAT64, the web traffic will go through the NAT once. If his web client > and PC support IPv4-only on an IPv4 network with NAT444, the web traffic > will go through the NAT twice. In the end, he/she still gets the same > content. From this perspective, both experience “could be” very similar. > >>> However, this use case is rather limited and not applicable to many >>> > applications. This is why I said “could be”. Also, both Cameron and I > agree that this is easier to implement IPv6-only on mobile network than on > fixed network because mobile operators have more control over the devices > and apps. IMHO, it will take longer time for fixed network operators to > support NAT64 only solution in the network. > >>> On 8/25/10 9:41 AM, "huang cancan" <cancanhuang110@gmail.com> wrote: >>> >>> well, I mean: why customer experience of IPv4-only + NAT444 could be the >>> > same as IPv6-only + NAT64? > >>> On Wed, Aug 25, 2010 at 9:24 PM, Yiu L. Lee <yiu_lee@cable.comcast.com> >>> > wrote: > >>> In order to deploy IPv6-only + NAT64, the client and network must talk >>> > IPv6. It also requires DNS64. These requirements are not needed for > IPv4-only + NAT444. From the deployment point of view, they are very > different technologies. > >>> >>> On 8/25/10 7:13 AM, "huang cancan" <cancanhuang110@gmail.com >>> > <http://cancanhuang110@gmail.com> > wrote: > >>> hi,Yiu: >>> As you mentioned below: >>> >>>> All I am saying is the customer >>>> experience of IPv4-only + NAT444 could be the same as IPv6-only + NAT64, >>>> > but > >>>> the technologies and plan to offer these service are very different. >>>> >>> Do you have any test data to support this conclusion? >>> >>> Can-can Huang >>> >>> >>> On Sat, Aug 21, 2010 at 7:37 AM, Yiu L. Lee <yiu_lee@cable.comcast.com >>> > <http://yiu_lee@cable.comcast.com> > wrote: > >>>> Agreed. The 2x cost is really just the packet core ... which is of >>>> course a lot of money to double for no tangible benefit ..... talk >>>> about no business case .... And, still have numbering issues, customer >>>> experience is the same as IPv4-only + NAT44 and approximately the same >>>> as IPv6-only + NAT64 >>>> >>>> >>> Life cycle of mobile equipments could be every 2-3 years, but life cycle >>> > of > >>> consumer electronics could be 5+ years. Consider many large TVs with >>> Internet service selling today are still running IPv4-only, fixed line >>> operators must prepare to support them in foreseeable future. >>> >>> That said, I am not saying an operator must build a dual-stack core >>> > network, > >>> there are technologies such as DS-lite and Softwire Mesh available to run >>> > a > >>> pure IPv6 core network with dual-stack edge. All I am saying is the >>> > customer > >>> experience of IPv4-only + NAT444 could be the same as IPv6-only + NAT64, >>> > but > >>> the technologies and plan to offer these service are very different. >>> >>> >>> >>> _______________________________________________ >>> v4tov6transition mailing list >>> v4tov6transition@ietf.org <http://v4tov6transition@ietf.org> >>> https://www.ietf.org/mailman/listinfo/v4tov6transition >>> >>> >>> >>> >>> _______________________________________________ >>> v4tov6transition mailing list >>> v4tov6transition@ietf.org >>> https://www.ietf.org/mailman/listinfo/v4tov6transition >>> > > _______________________________________________ > Behave mailing list > Behave@ietf.org > https://www.ietf.org/mailman/listinfo/behave >
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Seiichi Kawamura
- [v4tov6transition] Fwd: draft-arkko-ipv6-transiti… Fred Baker
- Re: [v4tov6transition] Fwd: draft-arkko-ipv6-tran… Seiichi Kawamura
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Tina TSOU
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Tom Taylor
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Yiu L. Lee
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Brian E Carpenter
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Yiu L. Lee
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Tina TSOU
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Yiu L. Lee
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Tina TSOU
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Tina TSOU
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Tina TSOU
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Maglione Roberta
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Tina TSOU
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Scott Brim
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Maglione Roberta
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Templin, Fred L
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Brian E Carpenter
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Seiichi Kawamura
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Ed Jankiewicz
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Cameron Byrne
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Hemant Singh (shemant)
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Cameron Byrne
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Randy Bush
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Templin, Fred L
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Jari Arkko
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Cameron Byrne
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Cameron Byrne
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Cameron Byrne
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Yiu L. Lee
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Cameron Byrne
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Dan Wing
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Jari Arkko
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Cameron Byrne
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Hui Deng
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Jari Arkko
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… huang cancan
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Mikael Abrahamsson
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… huang cancan
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Yiu L. Lee
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… huang cancan
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Yiu L. Lee
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Alain Durand
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Victor Kuarsingh
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Alain Durand
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Yiu L. Lee
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Randy Bush
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Alain Durand
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Alain Durand
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Victor Kuarsingh
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Yiu L. Lee
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Cameron Byrne
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Cameron Byrne
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Yiu L. Lee
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- [v4tov6transition] NAT444 v NAT64 Brian E Carpenter
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Hui Deng
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… David Meyer
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… David Meyer
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Behcet Sarikaya
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Leo Vegoda
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Joel Jaeggli
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Joel Jaeggli
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Rémi Després
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Ed Jankiewicz
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Yiu L. Lee
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Brian E Carpenter
- [v4tov6transition] Annotated Bibliography of v4v6… Ed Jankiewicz
- Re: [v4tov6transition] Annotated Bibliography of … Olivier MJ Crepin-Leblond
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… YangGL
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Yiu L. Lee
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… YangGL
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Brian E Carpenter
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… YangGL
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… YangGL
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… huang cancan
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… huang cancan
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Brian E Carpenter
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Cameron Byrne
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… huang cancan
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… YangGL
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Tina TSOU
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… Joel Jaeggli
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Rémi Després
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… satoru.matsushima
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Lee, Yiu
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Tina TSOU
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… satoru.matsushima
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… satoru.matsushima
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Tina TSOU
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Rémi Després
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Tina TSOU
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… YangGL
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… YangGL
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Dan Wing
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Fred Baker
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Joel Jaeggli
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Gert Doering
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Pekka Savola
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Gert Doering
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… YangGL
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… YangGL
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Tina TSOU
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… Dan Wing
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… Tina TSOU
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… Tina TSOU
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Christopher Morrow
- [v4tov6transition] Comment on draft-lee-v4v6tran-… Tina TSOU
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Tina TSOU
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… Tina TSOU
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… Dan Wing
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… Christopher Morrow
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… Cameron Byrne
- [v4tov6transition] DS hosts & DS networks - need … Rémi Després
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… Christopher Morrow
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… YangGL
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… YangGL
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… Xing Li
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… Xing Li
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… Xing Li
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… Xing Li
- Re: [v4tov6transition] [BEHAVE] draft-arkko-ipv6-… YangGL
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Satoru Matsushima
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Yiu L. Lee
- Re: [v4tov6transition] draft-arkko-ipv6-transitio… Rémi Després