Re: multicast-transition

[Dirk Ooms <Dirk.Ooms@alcatel.be>]

Or even more general: IGMP could also be used between two non-connected
multicast islands.

Dirk Ooms wrote:
> 
> As people start drafting 'multicast-transition' schemes, I would like to
> stress that it would be nice that the IGMP extensions at both ends of
> the 'multicast path' would be the same, so that in the case of the
> absence of a multicast network inbetween source and receiver it works
> transparantly.
> 
>          +-       -+
> +---+    |  +---+  |    +---+      +---+     +---+     +---+
> |src|----|--|ucr|--|----|mcr|------|mcr|-----|ucr|-----|rcv|
> +---+    |  +---+  |    +---+      +---+     +---+     +---+
>          +-       -+
> 
>       Doron's IGMP++         MBone        Tony's IGMP++
>   <---------------------><----------><------------------->
> 
> dirk