IEPG agenda

Lindqvist Kurt Erik kurtis at kurtis.pp.se
Sun Jul 29 21:23:57 UTC 2012



Taken!

- kurtis -

On 26 jul 2012, at 18:31, Kazunori Fujiwara <fujiwara at wide.ad.jp> wrote:

> I'm Kazunori Fujiwara, JPRS.
> 
> I would like to make a presentation,
> "DNS traffic analysis -- Issues of IPv6 and CDN", 20 minutes
> if attendees have an interest.
> 
> I analyzed full-resolver queries captured at an university and
> reported it at "The 12th IEEE/IPSJ International Symposium on
> Applications and the Internet".
> 
> It describes percentage of AAAA queries/answers, cache hit rate,
> effect to authoritative DNS servers (root, TLDs, all) and latency to
> clients in the cases of some patterns (answer types, with/without
> cname, use-of-out-of-bailiwick DNS server name, ttl differences,
> access frequencies).
> 
> Abstract is:
> 
> The Domain Name System (DNS) is a key naming system used in the
> Internet.  Recently, the deployment of IPv6 and the DNS pre-fetch
> function in web browsers has significantly changed DNS
> usage. Furthermore, content delivery networks (CDNs) use complicated
> DNS configurations together with small TTL values to control their
> traffic. These three factors significantly increase DNS traffic.
> Thus, the importance of DNS traffic analysis has been increasing to
> properly maintain DNS operations.  This paper presents an analysis of
> DNS full-resolver traffic at the University of Tsukuba in Japan.  What
> we found are
> 1) The deployment of IPv6 has increased queries from clients as much as 41%,
> 2) The deployment of CDNs increases the use of small TTL values,
>   the use of CNAME resource records and the use of out-of-bailiwick DNS server names.
> Since these increases are making the DNS cache hit rate low and the
> DNS response slow without recognition by Internet users, this paper
> seeks to warn application designers of potential system design risks
> in current Internet applications.
> 
> --
> Kazunori Fujiwara, JPRS
> 
>> From: Lindqvist Kurt Erik <kurtis at kurtis.pp.se>
>> 
>> The agenda for the IEPG so far is 
>> 
>> 1. Discovering Path MTU black holes using RIPE Atlas, Benno Overeinder - 15min 
>> 2. To be reveled, Randy Bush 
>> 
>> I think there is plenty of space in the agenda so if you wish to present let me know. Randy had volunteered to moderate this time. Meeting is at 10.00 in Regency A. 
>> 
>> So, if you have any additional presentations let me know, and a bi thanks to Randy for moderating this meeting!
>> 
>> Best regards,
>> 
>> - kurtis -
>> 
>> 
>> 
>> 
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> 


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