Re: A new spin on multihoming: multihoming classes.

["Michael H. Lambert" <lambert@psc.edu>]

--On Friday, September 7, 2001 10:17 +0200 Iljitsch van Beijnum 
<iljitsch@muada.com> wrote:

> Do these networks use two address ranges, one for the high performance
> network and one for the regular network? If so, how is this handled in the
> DNS today?

Historically (in the era of isolated, expensive supercomputers), it was 
common to put the high-performance interface (called foo-hippi, for 
example) on a separate /24 in a site /16.  This subnet was often routed 
statically within the site and announced separately (for topological 
reasons) to the research network.  At the time that mechanism worked fine.

The current trend is toward highly distributed systems (eg, Grids) and a 
user community which probably has less of a grasp of the system as a whole 
than did the previous generation of users.  I think that under v6 it will 
be necessary to keep the Grid machines within the aggregates, although one 
could probably make a case for high-performance providers to send to (or 
accept from) peer providers aggregate-breaking announcements.

Michael