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Re: API Discussion RE: v6ops Agenda for Atlanta


Hi Jim,

It is true that we did discuss the IPv4 mapped address issues in Sunnyvale. At that time,
Itojun presented one draft that concerned two different parts of the issue: what should and
shouldn't be sent on the wire, and what should and shouldn't be passed by the API,
particularly in a dual stack.

There was some agreement in the meeting that there are issues with using IPv4 mapped
addresses on the wire that need to be documented, although it was not clear what action we
should recommend to correct these issues -- updating the IPv6 addressing architecture,
modifying SIIT, etc.

The API portion was much more controversial, and there was a general consensus in the room
not to impose any API changes on existing implementations. Of course, the whole WG was not
necessarily represented at the meeting.

Based on the input they received in Sunnyvale, Craig and Itojun have split the document into
two parts -- the on-wire part and the API part, and they have updated both parts. This will
allow us to consider the two parts separately.

There was enough interest and discussion in Sunnyvale, at least regarding the on-wire issues
that it seemed worthwhile to discuss this again in Atlanta to see if this is something that the
v6ops WG should document.

Margaret


At 10:39 AM 11/15/2002 -0500, Bound, Jim wrote:
Why is ipv4mapped still being discussed in this sense.  Itojun was told
clearly that we are NOT going to change the API defaults with current
deployed products.  This has been discusseed to death and a standard in
IEEE.

Any other working group member who was NOT the chair would be told to go
away.

/jim
[Honor, Commitment, Integrity]


> -----Original Message-----
> From: Margaret Wasserman [mailto:mrw@windriver.com]
> Sent: Friday, November 15, 2002 5:40 AM
> To: v6ops@ops.ietf.org
> Subject: v6ops Agenda for Atlanta
>
>
>
> Here is the draft agenda for our v6ops meeting in Atlanta.
> Please let me know if there are any questions or comments, or
> if I seem to have omitted anything.
>
> Margaret
>
>
>
> IPv6 Operations WG (v6ops)
> Wednesday, November 20, 2002, 0900-1130
> =======================================
>
> CHAIRS:  Jun-ichiro "Itojun" Hagino <itojun@iijlab.net>
>           Margaret Wasserman <mrw@windriver.com>
>
> AGENDA:
>
> Introduction and Agenda Bashing -- Margaret (5 min)
>
> Report from Interim Meeting -- Margaret (5 min)
>
> Deployment Scenario/Analysis Status & Open Issues:
>
>       Unmanaged Networks Team -- Christian Huitema (20 min)
>
> http://www.ietf.org/internet-drafts/draft-ietf-ngtrans-unmansc
> ope-02.txt
>
> http://www.ietf.org/internet-drafts/draft-huitema-ngtrans-unma
neval-01.txt

        ISP Team -- Cleve Mickles (20 min)

http://www.ietf.org/internet-drafts/draft-mickles-v6ops-isp-cases-02.txt

        Enterprise Team -- Yanick Pouffary (20 min)

http://www.ietf.org/internet-drafts/draft-pouffary-v6ops-ent-v6net-01.tx
t

        Cellular Networks Team -- Jonne Soininen (20 min)

http://www.ietf.org/internet-drafts/draft-ietf-v6ops-3gpp-cases-00.txt

http://www.ietf.org/internet-drafts/draft-wiljakka-3gpp-ipv6-transition-
02.txt

Current Work Items (Status & Open Issues):

        Transition Mechanisms -- Erik Nordmark (10 min)

http://www.ietf.org/internet-drafts/draft-ietf-ngtrans-mech-v2-01.txt

Proposals for New Work Items:

        Application Aspects of IPv6 Transition (5min) - Myung-Ki Shin

http://www.ipv6.or.kr/Internet-Draft/draft-shin-v6ops-application-transi
tion-00.txt

        6to4 Security -- Pekka Savola (5 min)

http://www.ietf.org/internet-drafts/draft-savola-v6ops-6to4-security-00.
txt

        Firewalling Considerations for IPv6 -- Pekka Savola (5 min)

http://www.ietf.org/internet-drafts/draft-savola-v6ops-firewalling-00.tx
t

        IPv4 Mapped Addresses Considered Harmful -- Craig Metz (10 min)

http://www.ietf.org/internet-drafts/draft-cmetz-v6ops-v4mapped-api-harmf
ul-00.txt


http://www.ietf.org/internet-drafts/draft-itojun-v6ops-v4mapped-harmful-
01.txt