Re: [MBONED] draft-ietf-mboned-64-multicast-address-format-03.txt

[Stig Venaas <[e-mail]>]

On 13.08.2012 14:46, Brian Haberman wrote:
> On 8/13/12 4:21 PM, Behcet Sarikaya wrote:
>> Hi authors,
>>
>> Thanks for the revised draft, I find that the revision is in the right
>> direction.
>>
>> I am confused on the prefix lengths:
>> on Figure 2,
>> ffxx:8000:0:abc::/96
>> while in Section 3.1
>> ffxx:8000::/20
>>
>
> The x's correspond to the flags and scope fields within the multicast
> address.  Take a look at:
>
> http://www.iana.org/assignments/ipv6-multicast-addresses/ipv6-multicast-addresses.xml#ipv6-multicast-addresses-4

We have one minor issue here though. They cannot simply be IANA
allocations, since they would not have the transient bit set. In
this case, the idea is that it should work for flag nibble values
like 1, 3 and 7. Actually I believe the transient bit should always
be set for these groups.

Stig

>
>
>> How come these are reserved prefixes?
>> What are the values that are reserved?
>>
>> If you look at RFC 6052, the unicast translation specification,
>> 64:ff9b::/96 is defined as the Well-Known Prefix. There are no x's in
>> the prefix definition.
>>
>> Regards,
>>
>> Behcet
>>
>> On Fri, Aug 10, 2012 at 1:49 AM,  <[e-mail]> wrote:
>>>
>>> A New Internet-Draft is available from the on-line Internet-Drafts
>>> directories.
>>>   This draft is a work item of the MBONE Deployment Working Group of
>>> the IETF.
>>>
>>>          Title           : IPv6 Multicast Address With Embedded IPv4
>>> Multicast Address
>>>          Author(s)       : Mohamed Boucadair
>>>                            Jacni Qin
>>>                            Yiu L. Lee
>>>                            Stig Venaas
>>>                            Xing Li
>>>                            Mingwei Xu
>>>          Filename        :
>>> draft-ietf-mboned-64-multicast-address-format-03.txt
>>>          Pages           : 13
>>>          Date            : 2012-08-09
>>>
>>> Abstract:
>>>     This document reserves two IPv6 multicast prefixes to be used in the
>>>     context of IPv4-IPv6 interconnection.  The document specifies an
>>>     algorithmic translation of an IPv6 multicast address to a
>>>     corresponding IPv4 multicast address, and vice versa.  This
>>>     algorithmic translation can be used in both IPv4-IPv6 translation or
>>>     encapsulation schemes.
>>>
>>>
>>>
>>> The IETF datatracker status page for this draft is:
>>> https://datatracker.ietf.org/doc/draft-ietf-mboned-64-multicast-address-format
>>>
>>>
>>> There's also a htmlized version available at:
>>> http://tools.ietf.org/html/draft-ietf-mboned-64-multicast-address-format-03
>>>
>>>
>>> A diff from the previous version is available at:
>>> http://www.ietf.org/rfcdiff?url2=draft-ietf-mboned-64-multicast-address-format-03
>>>
>>>
>>>
>>> Internet-Drafts are also available by anonymous FTP at:
>>> ftp://ftp.ietf.org/internet-drafts/
>>>
>>> _______________________________________________
>>> MBONED mailing list
>>> [e-mail]
>>> https://www.ietf.org/mailman/listinfo/mboned
>> _______________________________________________
>> MBONED mailing list
>> [e-mail]
>> https://www.ietf.org/mailman/listinfo/mboned
>>
>
>
> _______________________________________________
> MBONED mailing list
> [e-mail]
> https://www.ietf.org/mailman/listinfo/mboned