Re: draft on IPv6 multicast issues

[Pekka Savola <pekkas@netcore.fi>]

Hello,

On Mon, 7 Oct 2002, Bill Nickless wrote:
> At 04:25 PM 10/7/2002 +0300, Pekka Savola wrote:
> >Hello all,
> >
> >I've just sent a 7-page draft on IPv6 Multicast Deployment Issues to
> >internet-drafts@ietf.org.
> 
> Please also see
> 
> ftp://ftp.ietf.org/internet-drafts/draft-ietf-mboned-iesg-gap-analysis-00.txt
> 
> Here's the abstract:
> 
>      An overview of IP multicast as deployed in the Internet today,
>      from the perspective of the MBONED working group. Existing
>      infrastructure is examined critically. Suggestions for possible
>      improvement of the overall architecture are presented for the IESG.
> 
> IPv6 multicast is included in this analysis.

Thanks for the pointer, I had come across it earlier but hadn't looked 
into it much deeper.
 
> One of the concepts presented is that IGMP and MLD snooping might be 
> discouraged, due to the complexity it requires on the part of the Ethernet 
> switches.  (Namely, interpretation of IPv4 and IPv6 datagrama.)

Agreed.
 
> Another concept presented is to change the many-to-one static mapping 
> between IPv[46] multicast group addresses and IEEE MAC addresses, in favor 
> of a dynamic mapping much like IPv4 ARP or IPv6 Neighbor Discovery.

This seems more like "nice to have in the future" issue, not absolutely 
criticial for present deployment.

I'm adding appropriate pointers in the next revision, though.

Thanks.

-- 
Pekka Savola                 "Tell me of difficulties surmounted,
Netcore Oy                   not those you stumble over and fall"
Systems. Networks. Security.  -- Robert Jordan: A Crown of Swords