Re: [Softwires] Softwire Interim Meeting, 2011 Sep. 26-27

[Tetsuya Murakami <[e-mail]>]

On 2011/09/25, at 7:36, Satoru Matsushima wrote:

> On 2011/09/25, at 22:11, Ole Troan wrote:
> 
>>> Ole's agenda is a big improvement, as in it addresses the concerns I (and others voiced) in the past weeks. That said, to make the proceedings follow a more structured  Introduction; Requirements; Details, sequence, I would like to propose the following (changes in the order of things proposed by Ole):
>> 
>> after meeting with the chairs this afternoon, I understand their reasoning for the original agenda and I'm fine with keeping it as originally proposed.
>> 
> 
> 
> I think that it sounds good to have Ole and Woj suggested agenda. But I'd like to know what their reasoning for the original agenda. Could you share it with us?

+1

The agenda posted by Woj looks good.

Thanks,
Tetsuya Murakami

> --satoru
> 
> 
>> cheers,
>> Ole
>> 
>> 
>>> 
>>> 1. Intro, logistics, chairs
>>> 
>>> 2. Stateless IPv4 address sharing overview and requirements
>>> 
>>> 2.1 General
>>> - Satoru: http://tools.ietf.org/html/draft-ietf-softwire-stateless-4v6-motivation-00
>>> - Wojciech: http://tools.ietf.org/html/draft-dec-stateless-4v6-03
>>> - Xiaohong: http://tools.ietf.org/html/draft-boucadair-softwire-stateless-requirements-00
>>> 
>>> 2.2 Operator's perspectives
>>> - Satoru: An operator's view, address mapping in particular with our cases
>>> - Xing: The operational requiements and the experience of the single and dual
>>> stateless translation concerning CERNET (IPv4) and CNGI-CERNET2 (IPv6).
>>> - ChongfengXie ChinaTelecom
>>> - Hui Deng: Operator's Comparision between encapsulation and translation
>>> 
>>> 3. Stateless solutions and mechanisms
>>> 
>>> 3.1. dIVI
>>> - Xing: https://datatracker.ietf.org/doc/draft-xli-behave-divi-pd
>>> - Xing: https://datatracker.ietf.org/doc/draft-xli-behave-divi
>>> 
>>> 3.2. 4rd
>>> - Tetsuya: http://tools.ietf.org/html/draft-murakami-softwire-4rd-00
>>> 
>>> 3.3 SMAP
>>> - Xiaohong: http://tools.ietf.org/html/draft-boucadair-behave-ipv6-portrange-04
>>> - Xiaohong: http://tools.ietf.org/html/draft-deng-v6ops-aplusp-experiment-results-01
>>> 
>>> 3.4 SA46T-AS
>>> - Naoki: http://tools.ietf.org/html/draft-matsuhira-sa46t-as-00
>>> 
>>> 4 Summary:
>>> - Ole Troan: Comparision between encapsulation and translation
>>> - All: Day 1 summary & initial conclusions
>>> 
>>> Tuesday:
>>> 
>>> 5.1. Stateless address mapping algorithms
>>> - Ole port algorithm requirements, selection criteria
>>> - Remi: http://tools.ietf.org/html/draft-despres-softwire-stateless-analysis-tool-00
>>> - Xiaohong: http://tools.ietf.org/html/draft-bsd-softwire-stateless-port-index-analysis-00
>>> -  Jacni Qin: http://tools.ietf.org/html/draft-despres-softwire-4rd-addmapping-00
>>> 
>>> 5.2. DS-lite enhancements (4over6, NAT bypass...)
>>> 
>>> 6. Day 2 & Meeting Conclusions
>>> 
>>> Regards,
>>> Woj.
>>> 
>>> On 25 September 2011 15:28, Ole Troan <[e-mail]> wrote:
>>> all,
>>> 
>>> we're working on many interrelated problems:
>>> 
>>> 1. DS-lite with A+P (SMAP)
>>> 2. Provisioning of IPv4 over DS-lite (4over6)
>>> 3. Stateless IPv4 address sharing over IPv6 (4rd, dIVI)
>>> 4. Stateless IPv4 over IPv6 tunneling (SA46)
>>> 
>>> given that the main focus of the interim is 3. let me propose an alternative agenda for Monday.
>>> same topics, just different structure.
>>> 
>>> Monday:
>>> 1. Intro, logistics, chairs
>>> 
>>> 2. Stateless IPv4 address sharing overview and requirements
>>> - Xiaohong: http://tools.ietf.org/html/draft-boucadair-behave-ipv6-portrange-04
>>> - Xiaohong: http://tools.ietf.org/html/draft-boucadair-softwire-stateless-requirements-00
>>> - Satoru: http://tools.ietf.org/html/draft-ietf-softwire-stateless-4v6-motivation-00
>>> - Wojciech: http://tools.ietf.org/html/draft-dec-stateless-4v6-03
>>> - Xiaohong: http://tools.ietf.org/html/draft-deng-v6ops-aplusp-experiment-results-01
>>> 
>>> 2.1. dIVI
>>> - Xing: https://datatracker.ietf.org/doc/draft-xli-behave-divi-pd
>>> - Xing: https://datatracker.ietf.org/doc/draft-xli-behave-divi
>>> 
>>> 2.2. 4rd
>>> - Tetsuya: http://tools.ietf.org/html/draft-murakami-softwire-4rd-00
>>> 
>>> 2.3 Summary:
>>> - Ole Troan: Comparision between encapsulation and translation
>>> - Hui Deng: Comparision between encapsulation and translation
>>> 
>>> 2.4. Stateless address mapping algorithms
>>> - Ole port algorithm requirements, selection criteria
>>> - Remi: http://tools.ietf.org/html/draft-despres-softwire-stateless-analysis-tool-00
>>> - Xiaohong: http://tools.ietf.org/html/draft-bsd-softwire-stateless-port-index-analysis-00
>>> 
>>> Tuesday:
>>> 3. DS-lite enhancements (4over6, NAT bypass...)
>>> 4. Operator-session
>>> 5. Conclusions
>>> 
>>> cheers,
>>> Ole
>>> 
>>>> ===================================================
>>>>                   AGENDA
>>>> ===================================================
>>>> ---------------9/26 Monday 9:00-17:30---------------
>>>> 
>>>> FIT BUILDING 1-315, TSINGHUA UNIVERSITY
>>>> 
>>>> 1.Intro, logistic (30min) - Chairs
>>>> 9:00-9:30
>>>> Taxonomy, problem space: (stateful/stateless, translation/tunneling, etc.)
>>>> Starting point: operator-driven Stateless motivation draft and the
>>>> 4-quadrant discussion at Quebec
>>>> Goal: have a common terminology
>>>> 
>>>> 
>>>> 2. Deep Dive (7hours) - Chairs and presenters
>>>> Technical dive in all proposal as they stand today
>>>> Goal: understand the various proposals according to the common terminology
>>>> and how they fit in the problem space
>>>> Goal2: Refine terminology/problem space as we go
>>>> 
>>>> 9:30-10:30 Xiaohong Deng
>>>> 1. Architectural considerations of Stateless A+P with a focus on SMAP
>>>> http://tools.ietf.org/html/draft-boucadair-behave-ipv6-portrange-04
>>>> 2. DHCPv6 Options for Shared IP Addresses Solutions
>>>> http://tools.ietf.org/html/draft-boucadair-dhcpv6-shared-address-option-00
>>>> 
>>>> 10:30-10:45 Coffee break
>>>> 
>>>> 10:45-11:15 Peng Wu
>>>> DHCPv4 over IPv6
>>>> http://datatracker.ietf.org/doc/draft-cui-softwire-dhcp-over-tunnel
>>>> 
>>>> 11:15-12:15 Naoki Matsuhira
>>>> Motivation for developing SA46T and SA46T-AS
>>>> http://tools.ietf.org/html/draft-matsuhira-sa46t-motivation-00
>>>> SA46T & SA46T-AS technology dive
>>>> http://tools.ietf.org/html/draft-matsuhira-sa46t-spec-02
>>>> http://tools.ietf.org/html/draft-matsuhira-sa46t-as-00
>>>> 
>>>> --------------- 12:15-13:30 Lunch ---------------
>>>> 
>>>> 13:30-14:00 Tetsuya Murakami
>>>> IPv4 Residual Deployment on IPv6 infrastructure - protocol specification
>>>> http://tools.ietf.org/html/draft-murakami-softwire-4rd-00
>>>> 
>>>> 14:00-14:30 Jacni Qin
>>>> Stateless Address Mapping for IPv4 Residual Deployment (4rd)
>>>> http://tools.ietf.org/html/draft-despres-softwire-4rd-addmapping-00
>>>> 
>>>> 14:30-15:30 Wojciech Dec
>>>> 1. Stateless 4Via6 Address Sharing
>>>> http://tools.ietf.org/html/draft-dec-stateless-4v6
>>>> 2. Stateless port mapping algorithms overview
>>>> 
>>>> 15:30-15:45Coffee break
>>>> 
>>>> 15:45-16:15 Qiong Sun
>>>> Lightweight 4over6
>>>> http://tools.ietf.org/html/draft-cui-softwire-b4-translated-ds-lite-01
>>>> 
>>>> 16:15-17:15 Xing Li
>>>> 1. dIVI-pd: Dual-Stateless IPv4/IPv6 Translation with Prefix Delegation
>>>> https://datatracker.ietf.org/doc/draft-xli-behave-divi-pd
>>>> 2. dIVI: Dual-Stateless IPv4/IPv6 Translation
>>>> https://datatracker.ietf.org/doc/draft-xli-behave-divi
>>>> 
>>>> 17:30-21:00 Socail Event (depart at FIT West Lobby at 17:30)
>>>> 
>>>> 
>>>> --------------- Tuesday 8:30-17:30 ---------------
>>>> 
>>>> 8:30-9:00 CERNET Operation Center tour (FIT 1-101, TSINGHUA UNIVERSITY)
>>>> 
>>>> FIT BUILDING 1-315, TSINGHUA UNIVERSITY
>>>> 
>>>> 9:00-10:00 Gang Chen
>>>> 1. 4via6 Stateless Translation
>>>> http://tools.ietf.org/html/draft-murakami-softwire-4v6-translation-00
>>>> 2. Prefix Delegation in 4V6
>>>> http://www.ietf.org/internet-drafts/draft-chen-softwire-4v6-pd-00.txt
>>>> 
>>>> 10:00-10:30 Xiaohong Deng
>>>> DS-Lite AFTR NAT Bypass: Co-located B4 and NAT Model
>>>> http://tools.ietf.org/id/draft-zhou-softwire-b4-nat-02.txt
>>>> 
>>>> 10:30-10:45 Coffee break
>>>> 
>>>> 
>>>> 3.Invited talks from operators (90min)
>>>> Operator's perspective
>>>> 
>>>> 10:45-11:15 Satoru Matsushima
>>>> An operator's view, address mapping in particular with our cases
>>>> 
>>>> 11:15-11:45 Xing Li
>>>> The operational requiements and the experience of the single and dual
>>>> stateless translation concerning CERNET (IPv4) and CNGI-CERNET2 (IPv6).
>>>> 
>>>> 11:45-12:15 ChongfengXie
>>>> ChinaTelecom
>>>> 
>>>> --------------- 12:15-13:30 Lunch ---------------
>>>> 
>>>> 
>>>> FIT BUILDING 1-515, TSINGHUA UNIVERSITY
>>>> 
>>>> 4.Divide& conquer (2 hours)
>>>> Map technologies into problem space
>>>> Goal: analyze overlaps & differences
>>>> 
>>>> 13:30-14:00 Ole Troan
>>>> Comparision between encapsulation and translation
>>>> 
>>>> 14:00-14:30 Linjian Song
>>>> Head compression
>>>> 
>>>> 14:30-15:00 Hui Deng
>>>> Comparision between encapsulation and translation
>>>> 
>>>> 15:00-15:30 Ole Troan
>>>> Port mapping rules
>>>> 
>>>> 15:30-16:00 Rémi Després
>>>> Port mapping rules
>>>> 
>>>> 16:00-16:30 Coffee break
>>>> 
>>>> 5. Path forward (1 hour)
>>>> 16:30-17:30
>>>> Goal: evolution of technologies, integration with existing mechanism, gap
>>>> analysis
>>>> Goal: winnow down list of candidates
>>>> Chairs
>>>> 
>>>> 
>>>> Alain and Yong
>>>> 
>>>> 
>>>> 
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