1. DNS Advancing the Network
where we’ve been
where we’re headed
Paul V. Mockapetris
pvm@nominum.com
pvm@a21.com
Paul-Vincent.Mockapetris@npa.lip6.fr
2. Where We’ve Been
Early days Over time Today
DNS globally adopted Make it scale and do Need new paradigms
as a network protocol new things for security, content
to distribute naming distribution, machine
authority to every to machine, etc.
organization
DNS has always prized the ability to evolve;
Do IPv6 and DNSSEC have useful “DNA” for
Internet evolution?
3. Significant Shifts
IP address “explosion” adds to
the volume of data
• Roughly 4 billion IPv4
addresses used
• IPv6 allows 3.4 x 1038 more
addresses
“Happy eyeballs” – Optimize
the user experience, not
network traffic
Different
objectives = Exponentially More
DNS queries
4. Much Bigger Data
Events Processed Daily
(in billions)
Event # per day 1100
Twitter “tweets” 400 million 1000
Facebook “likes” 2.7 billion 900
Google searches 3.3 billion 800
700
Nominum DNS queries 1.1 trillion
600
500
400
300
200
100
0
Twi$er' Facebook' Google' DNS'queries'to'
"tweets"' "likes"' searches' Nominum'
pla=orms' 4
4
5. What to Look For
Machine to Machine (M2M) Better Data Analytics
Clean Slate Research Network Connected Home