Policy Statement on Address Space Allocations
dsiegel at rtd.com
Tue Jan 30 21:40:31 UTC 1996
> > > Currently I have 2 choices as
> > >far as I can make out, give them a bit of my /19, break up my
> > >nice aggregate and ensure loads of extra announcements (and that
> > >probably none of them get routed by anyone applying prefix based
> > >filtering), or give them a new /19 all of their own (you've
> Suppose you have a customer that needs a /22 and they want to go
> multi-homed. Suppose you give them that /22 out of your /19 or /16 you
> got from the RIPE NCC. So they announce their /22 to you and to their
> other provider. But you keep announcing your /19 or /16. So if anybody
> were to filter the /22 announcement, your customer only suffers partial
> loss of connectivity, since you are still announcing an aggregate of
> their announcemnt (your original /19 or /16).
> Problem fixed. Anything else? ;-)
Yes, if you go down, or their line goes down to you, their multi-homing is
Dave Siegel President, RTD Systems & Networking, Inc.
(520)623-9663 Network Engineer -- Regional/National NSPs (Cisco)
dsiegel at rtd.com User Tracking & Acctg -- "Written by an ISP,
http://www.rtd.com/~dsiegel/ for an ISP."
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