On Wed, May 25, 2022 at 08:42:20AM -0400, Greg Troxel wrote: > I was really surprisd that we had mbone applications in base; to me, > that would mean things like vic and vat. > > This is not about about MBONE; it's about multicast routing. The mbone > was an overlay network to connect local multicast islands, and operated > in the 90s.
Interesting, thanks. > Separately from the mbone, I have used multicast routing support in > NetBSD across connected local networks. > > (Arguably map-mbone is misnamed; it really isn't about the mbone per se > but about whatever multicast network is available. But that's just a > historical note.) Is the name situation same for the category in pkgsrc? > I don't object to a default-on MK knob; having knobs to make base > smaller seems entirely reasonable. > > I would suggest "multicast" as a word rather than mbone, as what this > knob does is remove user-space support for IP multicast routing. > Someone who understands the history would not expect mrouted to vanish > by disabling mbone. All of these applications depends on the "MROUTING" kernel option, it seems, which is mostly default-off, except for a few (tending on the more obscure side) kernel configs. I wonder if anyone knows the history there.
