[AusNOG] multicast addresses

[Paul van den Bergen]

off topic a bit - HDD temperatures - but none the less fascinating....

https://www.backblaze.com/blog/hard-drive-temperature-does-it-matter/

On Tue, Dec 2, 2014 at 8:49 PM, Mark ZZZ Smith <markzzzsmith at yahoo.com.au>
wrote:

>
>
>
>
> ----- Original Message -----
> > From: Alex Samad - Yieldbroker <Alex.Samad at yieldbroker.com>
> > To: "ausnog at lists.ausnog.net" <ausnog at lists.ausnog.net>
> > Cc:
> > Sent: Tuesday, 2 December 2014, 12:22
> > Subject: Re: [AusNOG] multicast addresses
> >
> > If only I had looked for a few more seconds
> >
> > 239.192.0.0/14 I think is the one ?
> >
>
> Going by RFC6308, "Overview of the Internet Multicast Addressing
> Architecture", that looks like a range you could use as it is the
> Organisation Local scope. However, as with RFC1918s, you could have
> problems with lack of uniqueness and colliding groups if you happened to
> want to join to another network that is using that multicast address space.
>
> The GLOP space John Edwards mentioned or the Unicast-Prefix-Based
> Allocation space (RFC6034), used with a globally unique IPv4 prefix <= /24,
> would avoid that problem.
>
> Of course, IPv6 has none of these issues, as there is plenty of room to
> embed 4 byte ASNs or a unicast /64 prefix or shorter in the multicast
> address space and still have room for 4 billion multicast groups. (see the
> slides starting at slide number 87 in
> http://www.users.on.net/~markachy/nvtkaipv6.pdf )
>
>
> > Alex
> >
> >>  -----Original Message-----
> >>  From: Alex Samad - Yieldbroker
> >>  Sent: Tuesday, 2 December 2014 12:22 PM
> >>  To: ausnog at lists.ausnog.net
> >>  Subject: multicast addresses
> >>
> >>  Hi
> >>
> >>
> >>  Is there a range in the class D set that is similar to the non-routable
> > ipv4
> >>  address ranges.
> >>
> >>  Looking for multicast range that is meant to stay in house, but I don't
> > want to
> >>  clash later.
> >>
> >>  Alex
> >
> > _______________________________________________
> > AusNOG mailing list
> > AusNOG at lists.ausnog.net
> > http://lists.ausnog.net/mailman/listinfo/ausnog
> >
> _______________________________________________
> AusNOG mailing list
> AusNOG at lists.ausnog.net
> http://lists.ausnog.net/mailman/listinfo/ausnog
>



-- 
Dr Paul van den Bergen
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ausnog.net/pipermail/ausnog/attachments/20141203/37c8b058/attachment.html>