(I think the ipng ML is the best place to discuss the issue, but
please correct me if this is not appropriate.)
I've taken a quick look at draft-okabe-ipv6-lcna-minreq-00.txt and
have a short comment (or a question).
The draft says
2.3 Multicast
Multicast is not treated in this draft, and it is the candidate for
further study (RFC 2375[8], RFC 2710[9]). However, the multicast
related to neighbor discovery is considered.
So the minimum implementation must join some multicast groups for
neighbor discovery (e.g. solicited node groups). This means the
implementation should perhaps support MLD, because there will be L2
switches that filter multicast packets unless the switches hear MLD
reports for the multicast group. This will even be the case for
link-local groups, as in IPv4 multicasts. Since MLD needs a
hop-by-hop router alert option, the implementation should support
the hop-by-hop options header as a consequence.
However, this draft also says
3.1.1 Hop-by-Hop Options Header
[Sending]
Following 3.1, minimum hosts do not send packets with this extension
header.
This seems to contradict with the fact above. I think the draft
should clarify this point.
JINMEI, Tatuya
Communication Platform Lab.
Corporate R&D Center, Toshiba Corp.
[EMAIL PROTECTED]
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