Re: [v6ops] 82nd IETF DRAFT Agenda
Yu Guanghui <ygh@dlut.edu.cn> Mon, 31 October 2011 07:19 UTC
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From: Yu Guanghui <ygh@dlut.edu.cn>
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Date: Mon, 31 Oct 2011 15:03:53 +0800
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References: <519971001.31182@tju.edu.cn> <4EADD509.3090101@bogus.com> <7291EFAC-46CA-423F-B033-F9B0443CC014@cisco.com> <4EAE0A77.8050003@bogus.com> <E09AFC73-EE37-4FD6-B955-AD86F65BC9DF@dlut.edu.cn> <4EAE1350.2050503@bogus.com> <0630F413-A258-4FDA-B42C-776923241E20@dlut.edu.cn> <4EAE2B2B.1090603@bogus.com>
To: Joel jaeggli <joelja@bogus.com>
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Cc: v6ops@ietf.org, v6ops-chairs@tools.ietf.org
Subject: Re: [v6ops] 82nd IETF DRAFT Agenda
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在 2011-10-31,下午12:59, Joel jaeggli 写道: > On 10/30/11 21:53 , Yu Guanghui wrote: >> Here is a example: >> >> ping ivi.dlut.edu.cn <- it's a pure IPv6 site behind a stateless translator. >> PING ivi.dlut.edu.cn (58.200.163.1) 56(84) bytes of data. >> 64 bytes from 58.200.163.1: icmp_seq=1 ttl=45 time=103 ms >> 64 bytes from 58.200.163.1: icmp_seq=2 ttl=45 time=106 ms >> >> but when we trace it: >> >> traceroute ivi.dlut.edu.cn >> traceroute to ivi.dlut.edu.cn (58.200.163.1), 30 hops max, 40 byte packets >> 1 202.118.66.1 (202.118.66.1) 0.399 ms 0.459 ms 0.582 ms >> ... >> 10 202.112.61.182 (202.112.61.182) 15.579 ms * 15.503 ms <- what happened here? maybe a firewall, router or translator? >> 11 * * * >> 12 * * * >> .... >> 29 * * * >> 30 * * * > > right... > > and we know that this guy: > > 202.112.61.182 > > Is the last hop on this side of the event horizon. just like if there > were a firewall or a non-stateful icmp filter. The difference is it happens close to the end host in IPv4 firewall schema, but in stateless IPv4-IPv6 Schema, it maybe happen in somewhere IPv4-IPv6 edge of ISP ( in middle of end hosts). > > > >> >> We will don't what happened after hop 10. If we have a special mapping address, for example 192.70.192.0, we will understand there's a translator and have some other helpful information. >> >> >> Yu Guanghui <ygh at dlut.edu.cn> >> Network and Information Center >> Dalian University of Technology, China >> Tel: +86 411 84708117 >> >> 在 2011-10-31,上午11:17, Joel jaeggli 写道: >> >>> On 10/30/11 20:00 , Yu Guanghui wrote: >>>> >>>> >>>> 在 2011-10-31,上午10:39, Joel jaeggli 写道: >>>> >>>>> On 10/30/11 18:50 , Fred Baker wrote: >>>>>> >>>>>> On Oct 31, 2011, at 6:51 AM, Joel jaeggli wrote: >>>>>> >>>>>>> On 10/30/11 03:32 , 孟少卿 wrote: >>>>>>>> Hi all I also support draft-xli-v6ops-ivi-icmp-address-00.txt to >>>>>>>> be adopted as a WG document in V6ops. A special block of IPv4 >>>>>>>> address mapping for the non-directly translatable IPv6 address >>>>>>>> will helpful for us to troubleshoot. We have deployed the >>>>>>>> stateless translator for about two years in the campus networks. >>>>>>> >>>>>>> What addresses do you presentialy use a the source address for >>>>>>> icmp messages sent from the stateless translator? >>>>>> >>>>>> My understanding is that he doesn't - the message is dropped. The net >>>>>> effect in a traceroute (IPv4) is to see something that looks like a >>>>>> routing loop or a black hole on the far side (IPv6) of the >>>>>> translator. He'd like something that shows that distance is >>>>>> progressing and it's a state number of hops beyond the translator. >>>>>> It's not all the information one would like to see, but it's more and >>>>>> better than "* * *". >>>>> >>>>> Why not use a gua v4 address bound to the translator >>>>> >>>> >>>> From IPv4 side, We can't identify it's a translator or a regular router if use a IPv4 address bound to the translator. >>> >>> it is a router... >>> >>>> >>>>> It might not be asthetically pleasing but it identifies the source >>>>> rather well and it's not likely to be filtered. >>>>> >>>>>> In the reverse direction, traceroute6 from the IPv6 side, the ICMP6 >>>>>> message can represent the IPv4 address as ::ipv4 or ::FFFF:ipv4. We >>>>>> see that in the wild now. >>>>>> >>>>>>>> Best Regards Shaoqing Meng Tianjin University Information and >>>>>>>> Network Center >>>>>>>> >>>>>>>> -----邮件原件----- 发件人: v6ops-bounces@ietf.org >>>>>>>> [mailto:v6ops-bounces@ietf.org] 代表 Xing Li 发送时间: 2011年10月24日 >>>>>>>> 18:37 收件 人: V6ops Chairs 抄送: v6ops@ietf.org WG 主题: Re: [v6ops] >>>>>>>> Fwd: 82nd IETF DRAFT Agenda >>>>>>>> >>>>>>>> Hi, Fred and All, >>>>>>>> >>>>>>>> 于 2011/10/14 5:52, Fred Baker 写道: >>>>>>>>> The initial version of the agenda has been posted. It places >>>>>>>>> v6ops on Wednesday and Friday mornings, a total of 4.5 hours. >>>>>>>>> I personally am satisfied with it, but if folks have issues I >>>>>>>>> can pass them along. >>>>>>>>> >>>>>>>>> I'll note that the deadline for -00 drafts is 24 October, and >>>>>>>>> the deadline for updated drafts is a week later. For discussion >>>>>>>>> in the working group meetings, I'm looking for a draft posted >>>>>>>>> after 25 July, with supporting email discussion on the list. >>>>>>>>> >>>>>>>>> I'm looking for (and in some cases have seen) commentary on >>>>>>>>> each of: >>>>>>>>> >>>>>>>>> -rw-rw-r-- 1 fred fred 13796 Jul 25 23:59 >>>>>>>>> draft-xli-v6ops-ivi-icmp-address-00.txt >>>>>>>> >>>>>>>> I would like to request that the V6ops WG adopt >>>>>>>> draft-xli-v6ops-ivi-icmp-address-00.txt as a WG adoption. >>>>>>>> >>>>>>>> The draft describes the operational considerations of mapping >>>>>>>> ICMPv6 packets through an RFC6145 gateway where the IPv6 address >>>>>>>> is not directly translatable into an IPv4 address, and requests >>>>>>>> an IANA Special Purpose IPv4 address allocation (192.70.192.0/24) >>>>>>>> to allow this address mapping to take place using a >>>>>>>> protocol-specific designated address block in IPv4. >>>>>>>> >>>>>>>> The authors are hopeful that this will not require any valuable >>>>>>>> face-to-face WG time at IETF 82 and the WG's consideration of >>>>>>>> this document can be undertaken entirely on the mailing list. >>>>>>>> >>>>>>>> Regards, >>>>>>>> >>>>>>>> xing >>>>>>>> >>>>>>>>> -rw-rw-r-- 1 fred fred 34974 Sep 14 10:45 >>>>>>>>> draft-ietf-v6ops-happy-eyeballs-04.txt -rw-rw-r-- 1 fred >>>>>>>>> fred 26625 Sep 27 13:22 >>>>>>>>> draft-kuarsingh-v6ops-6to4-provider-managed-tunnel-04.txt >>>>>>>>> -rw-rw-r-- 1 fred fred 25341 Oct 2 11:39 >>>>>>>>> draft-jjmb-v6ops-comcast-ipv6-experiences-02.txt -rw-rw-r-- 1 >>>>>>>>> fred fred 28127 Oct 6 14:13 >>>>>>>>> draft-gashinsky-v6ops-v6nd-problems-00.txt -rw-rw-r-- 1 fred >>>>>>>>> fred 45016 Oct 7 12:39 draft-ietf-v6ops-6204bis-00.txt >>>>>>>>> -rw-rw-r-- 1 fred fred 8877 Oct 10 09:00 >>>>>>>>> draft-ietf-v6ops-ipv6-discard-prefix-00.txt -rw-rw-r-- 1 fred >>>>>>>>> fred 15656 Oct 12 20:38 >>>>>>>>> draft-carpenter-v6ops-label-balance-00.txt >>>>>>>>> >>>>>>>>> plus any new drafts that are posted. >>>>>>>>> >>>>>>>>> Begin forwarded message: >>>>>>>>> >>>>>>>>>> From: IETF Agenda<agenda@ietf.org> Date: October 13, 2011 >>>>>>>>>> 2:13:10 PM PDT To: Working Group Chairs<wgchairs@ietf.org> >>>>>>>>>> Cc:irsg@irtf.org Subject: 82nd IETF DRAFT Agenda >>>>>>>>>> >>>>>>>>>> The DRAFT agenda is ready for viewing. Please note the >>>>>>>>>> cutoff date for requests to reschedule Working Group and BOF >>>>>>>>>> meetings is October 17, 2011 17:00 PT. The final agenda will >>>>>>>>>> be published on October 21, 2011. >>>>>>>>>> >>>>>>>>>> https://datatracker.ietf.org/meeting/82/agenda.html >>>>>>>>>> https://datatracker.ietf.org/meeting/82/agenda.txt >>>>>>>>>> >>>>>>>>>> http://www.ietf.org/meeting/82/index.html >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Thanks, Wanda >>>>>>>>>> >>>>>>>>>> Only 30 days until Taipei, 82nd IETF! Online registration for >>>>>>>>>> the IETF meeting is at: >>>>>>>>>> http://www.ietf.org/meeting/register.html >>>>>>>>>> >>>>>>>>> _______________________________________________ v6ops mailing >>>>>>>>> list v6ops@ietf.org >>>>>>>>> https://www.ietf.org/mailman/listinfo/v6ops >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> _______________________________________________ v6ops mailing >>>>>>>> list v6ops@ietf.org https://www.ietf.org/mailman/listinfo/v6ops >>>>>>>> >>>>>>>> _______________________________________________ v6ops mailing >>>>>>>> list v6ops@ietf.org https://www.ietf.org/mailman/listinfo/v6ops >>>>>>>> >>>>>>> >>>>>> >>>>>> >>>>> >>>>> _______________________________________________ >>>>> v6ops mailing list >>>>> v6ops@ietf.org >>>>> https://www.ietf.org/mailman/listinfo/v6ops >>>> >>>> >>> >> >> >
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Fred Baker
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Joel jaeggli
- [v6ops] Fwd: 82nd IETF DRAFT Agenda Fred Baker
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Fred Baker
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Brian E Carpenter
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda t.petch
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Fred Baker
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Yu Guanghui
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Joel jaeggli
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Xing Li
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Fred Baker
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Li pengfei
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Zhankao WEN
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda clong_liu
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Warren Kumari
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Warren Kumari
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Warren Kumari
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Qiong
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Xing Li
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Ray Hunter
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Xing Li
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Joel jaeggli
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Joel jaeggli
- [v6ops] 答复: Fwd: 82nd IETF DRAFT Agenda 王竹威
- Re: [v6ops] draft-xli-v6ops-ivi-icmp-address (was… George, Wes
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Fred Baker
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Ray Hunter
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda buptnoc
- Re: [v6ops] 答复: Fwd: 82nd IETF DRAFT Agenda buptnoc
- [v6ops] 答复: Fwd: 82nd IETF DRAFT Agenda 孟少卿
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda 孟少卿
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda th@imu.edu.cn
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Joel jaeggli
- Re: [v6ops] Fwd: 82nd IETF DRAFT Agenda Jiang swall
- Re: [v6ops] 82nd IETF DRAFT Agenda Yu Guanghui
- Re: [v6ops] 82nd IETF DRAFT Agenda Joel jaeggli
- Re: [v6ops] 82nd IETF DRAFT Agenda Yu Guanghui
- Re: [v6ops] 82nd IETF DRAFT Agenda Joel jaeggli
- [v6ops] 答复: Fwd: 82nd IETF DRAFT Agenda 孟少卿
- Re: [v6ops] 82nd IETF DRAFT Agenda Yu Guanghui
- Re: [v6ops] 82nd IETF DRAFT Agenda Yu Guanghui
- [v6ops] 答复: Fwd: 82nd IETF DRAFT Agenda Justin Chen
- [v6ops] 答复: Fwd: 82nd IETF DRAFT Agenda Justin Chen