If there is anyone out there interested in doing research into DNS recursive resolvers and are seeking either (1) access to data (stripped of PII of course) and/or (2) modest funding support, please let me know off-list.
- Jason On 2/20/12 2:27 PM, "Emiliano Casalicchio" <[email protected]> wrote: >John, >may be the model described in this paper can be useful for you. > > Yakup KoƧ, Almerima Jamakovic, Bart Gijsen, "A Global Reference Model of >the DNS" > >presented at DNS-EASY 2011. > >Here the proceedings: >http://www.gcsec.org/sites/default/files/files/dnseasy2011_final.pdf > >Best >Emiliano > > > > >On 18 Feb 2012, at 02:57, John Levine wrote: > >> Are there any models of DNS cache behavior, either analytic or >> simulations? What I have in mind is something that would help me see >> whether I should partition a cache among various kinds of traffic, or >> perhaps limit max TTLs, or experiment with replacement strategies. >> >> For that matter, what's the state of DNS modelling in general? >> >> I found a paper by Jung et al from 2003 on cache models which starts >> by asserting that caches are so big that entries only drop out due to >> TTL expiry, did a lot of analysis and simulation, and concluded that >> 15 minute TTLs got nearly the same cache benefit of 24 hr TTL. >> >> A 2010 paper by Alexiou et al. models the Kaminsky DNS poisoning >> attack and the port randomizing fix, which is interesting but not what >> I'm looking for. (They conclude that the attack is real, and the fix >> works OK.) >> >> Anything else I should be looking at? >> >> >> -- >> Regards, >> John Levine, [email protected], Primary Perpetrator of "The Internet for >>Dummies", >> Please consider the environment before reading this e-mail. http://jl.ly >> _______________________________________________ >> DNSOP mailing list >> [email protected] >> https://www.ietf.org/mailman/listinfo/dnsop >> > >_______________________________________________ >DNSOP mailing list >[email protected] >https://www.ietf.org/mailman/listinfo/dnsop _______________________________________________ DNSOP mailing list [email protected] https://www.ietf.org/mailman/listinfo/dnsop
