Re: Comments on draft-ietf-mboned-ieee802-mcast-problems

On Mon, 25 Mar 2019, Holland, Jake wrote:

> Hi mboned,
>
> After the hackathon yesterday (in which I worked on AMT service
> discovery via DNS-SD for a home network) David Lamparter came
> to introduce himself and credibly inform me that the multicast
> WiFi problems we see are largely an implementation problem with
> the Linux bridge code, rather than an inherent problem with WiFi.

I'd like to know more about this. Since even the IEEE has admitted to this 
multicast problem I doubt it's implementation specific like that.

> He further let me know that several proprietary implementations
> do indeed have an approach that does NOT suffer the same
> performance problems with multicast over WiFi.

IEEE has shared that there are mechanisms for multicast retransmission but 
this is not widely implemented in currently shipping gear.

> I wanted to let you all know about this development, and to introduce 
> David and say thanks for raising this.  I look forward to some further 
> discussion on this point.

Thanks, Davdid, please share more details.

-- 
Mikael Abrahamsson    email: [email protected]

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