On Jun 22, 2013, at 16:16 , 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. Not that many people are de-aggregating in anticipation of the DDoS. Temporary de-agg during DDoS is not relevant to discussions on global table sizes. -- TTFN, patrick