On Jun 22, 2013, at 10:16 PM, Grzegorz Janoszka <grzeg...@janoszka.pl> wrote:
> On 22-06-13 17:30, Owen DeLong wrote: >> Looking at the number of autonomous systems in the IPv6 routing table and >> the total number of routes, it looks like it will shake out somewhere in the >> neighborhood of 3-5 prefixes/ASN. Since there are ~35,000 unique ASNs in the >> IPv4 table, I figured simple multiplication provided as good an estimate as >> any at this early time. > > Deaggregating of IPv4 announcements is done for traffic engineering and > to fight ddoses (just the attacked /24 stops being announced to > internet). I think some people will just copy their v4 habits into v6 > and then we might have explosion of /48's. > I wouldn't be so sure about just 3-5 prefixes/ASN. > Some ASNs will be more, some will be less. Since there's already some DDOS and such on IPv6, I would expect the current prefix table to include a reasonable example of all of the behaviors you describe. Owen
