Hi
On 8/24/2012 8:59 AM, Behcet Sarikaya wrote:
Hi Med.
Please see inline.
On Fri, Aug 24, 2012 at 12:41 AM, <mohamed.boucad...@orange.com> wrote:
Hi Behcet,
I'm ready to record in the document whatever the WG agrees to do. But as far as
I know the solution which consists in encapsulating all multicast flows to the
unicast AFTR has not been accepted by the working group. The drawbacks are even
been documented in this draft.
The 3rd paragraph in the introduction should reference
http://tools.ietf.org/html/draft-sarikaya-softwire-dslitemulticast-01
and I would like this be a normative reference.
Why normative? You don't need to read your draft to implement this.
Your evauation that follows paragraph 3 (with Points 1 and 2) are
quite biased and ill stated. As such it gives the impression of
Execution without trial?
In fact draft-sarikaya-softwire-dslitemulticast does have a much
better evaluation of the so-called avalanche problem.
Thank you for referring to this solution as DS-Lite environment. At
least it is DS-Lite environment and
draft-ietf-softwire-dslite-multicast-03 is not.
It is a perfectly fine solution for use in DS-Lite environments, and
scales better than encapsulating in unicast as you're suggesting.
I'm aware of the tickets you opened. I already answered several times to those
issues by e-mail.
I sincerely don't see what I can do more.
I could not see anyplace where WG agreed on the changes you made,
basically pushed by one person.
Please show me where there was WG consensus to do the revisions that way?
Is this the solution draft for DS-Lite multicast in Softwire WG? I
think it is a solution draft for draft-ietf-mboned-v4v6-mcast-ps, i.e.
for mboned.
I see it as a solution for how to do multicast in DS-Lite. That it is a
more generic solution that has wider applicability is just a bonus.
I feel that mboned would have been a good place to do this work, but it
was in softwires charter to find a solution, and this is one.
I think mboned should review it to check if there are any issues with
the solution though. That is happening right now.
Stig
Regards,
Behcet
Cheers,
Med
-----Message d'origine-----
De : Behcet Sarikaya [mailto:sarikaya2...@gmail.com]
Envoyé : jeudi 23 août 2012 21:33
À : BOUCADAIR Mohamed OLNC/NAD/TIP
Cc : softwires@ietf.org
Objet : Re: [Softwires] draft-ietf-softwire-dslite-multicast-03
Hi Med,
Thanks for posting this revision but it seems like it has not solved
any problems but instead it created more problems :-).
First, please see the two active tickets,
ticket #10
and
ticket #11
in the issue tracker:
http://tools.ietf.org/wg/softwire/trac/report/1
In addition, in Section 4.3, the draft all of a sudden deviates from
translation which is used all over and introduces encapsulation.
I had asked before in my mails, asking it again, why? You think that
translation of multicast data could not be used/does not work? Please
see http://tools.ietf.org/html/draft-sarikaya-behave-mcast4nat64-06
Section 5 might be containing immature text as the underlying draft
work has not yet been finalized.
The right way to handle tickets # 10 & 11
is
first to include the encapsulation solution
and next describe the drawbacks based on the application that you
consider and then
next present this translation solution.
Failing this, the only suggestion is to take this draft to another
place, e.g. mboned and try its chances there.
Regards,
Behcet
On Thu, Aug 23, 2012 at 9:54 AM, <mohamed.boucad...@orange.com> wrote:
Dear all,
A new version taking into account comments received during
the WGLC has been submitted. The main changes are:
* change the title
* clarify the solution is generic for any 4-6-4 use case and
the solution has been designed with DS-Lite in mind
* add a discussion about scoping: preserve the scope when
translation multicast addresses
* add a note only IPv4-in-IPv6 encap is detailed in the
document but other tunnelling techniques may be defined in the future
* update the security section with some discussions related
to scoping.
* + other editorial changes.
To view the detailed changes:
http://www.ietf.org/rfcdiff?url2=draft-ietf-softwire-dslite-mul
ticast-03
I hope this version solve the concerns raised during the WGLC.
Cheers,
Med
-----Message d'origine-----
De : softwires-boun...@ietf.org
[mailto:softwires-boun...@ietf.org] De la part de
internet-dra...@ietf.org
Envoyé : jeudi 23 août 2012 16:47
À : i-d-annou...@ietf.org
Cc : softwires@ietf.org
Objet : [Softwires] I-D Action:
draft-ietf-softwire-dslite-multicast-03.txt
A New Internet-Draft is available from the on-line
Internet-Drafts directories.
This draft is a work item of the Softwires Working Group of
the IETF.
Title : Delivery of IPv4 Multicast Services
to IPv4 Clients over an IPv6 Multicast Network
Author(s) : Jacni Qin
Mohamed Boucadair
Christian Jacquenet
Yiu L. Lee
Qian Wang
Filename : draft-ietf-softwire-dslite-multicast-03.txt
Pages : 20
Date : 2012-08-23
Abstract:
This document specifies a solution for the delivery of IPv4
multicast
services to IPv4 clients over an IPv6 multicast network. The
solution relies upon a stateless IPv4-in-IPv6 encapsulation scheme
and uses the IPv6 multicast distribution tree to deliver IPv4
multicast traffic. The solution is particularly useful for the
delivery of multicast service offerings to DS-Lite serviced
customers.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-softwire-dslite-multicast
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-softwire-dslite-multicast-03
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-softwire-dslite-mul
ticast-03
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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