Re: mulcast assignments

[Greg Shepherd <gjshep () gmail com>]

On Thu, May 3, 2012 at 1:19 PM, Owen DeLong <owen () delong com> wrote:
> Simpler solution... Just set the P flag and use your unicast prefix as part of the group ID.
>
> For example, if your unicast prefix is 2001:db8:f00d::/48, you could use:
>
> ff4e:2001:db8:f00d::<group number>
>
> Where <group number> is any number of your choosing up to 64 bits, but recommended
> to be ≤32 bits.
>
> Make sense?

Sure, for v6. :)

Greg

> Owen
>
> On May 3, 2012, at 1:00 PM, Greg Shepherd wrote:
>
> > Sure, but GLOP predated SSM, and was really only an interim fix for
> > the presumed need of mcast address assignments. GLOP only gives you a
> > /24 for each ASN where SSM gives you a /8 for every unique unicast
> > address you have along with vastly superior security and network
> > simplicity.
> >
> > Greg
> >
> > On Thu, May 3, 2012 at 12:53 PM, Quentin Carpent
> > <quentin.carpent () vtx-telecom ch> wrote:
> > > You can also use the glop IP addressing:
> > > http://tools.ietf.org/html/rfc3180
> > >
> > > Quentin
> > >
> > > -----Original Message-----
> > > From: Greg Shepherd [mailto:gjshep () gmail com]
> > > Sent: Thu 5/3/2012 9:35 PM
> > > To: Philip Lavine
> > > Cc: NANOG list
> > > Subject: Re: mulcast assignments
> > >
> > > Why do you think you need an assigned mcast block? All inter domain
> > > mcast uses source trees only, so just use SSM and you don't need
> > > address assignments.
> > >
> > > Greg
> > >
> > > On Thu, May 3, 2012 at 12:24 PM, Philip Lavine <source_route () yahoo com> wrote:
> > > >    How do I get a registered multicast block?