DNS: Brave new worldsTim Deegan

tim.deegan@cl.cam.ac.uk

HEAnet conferenceNovember 2005

• Academic ideas on the future of the DNS:– Fixing current/future problems – with science!– Changes to the architecture of the DNS.– Keeping the clients and the protocol.

• Not:– IETF work: DNSSEC, EDNS*, new types.– Non-DNS name services: Active Names et al.– DNS measurement.

The DNS: boxes and arrows

root ie

dcu.ie

1. Distribute!

dcu.ie

2. Peer-to-peer!

3. Centralize!

In summary

Three possible new directions for the DNS

• Distribute: copy everything everywhere

• P2P: shuffle everything around

• Centralize: move the complexity

Will we see any of this? Up to you…

References

DistributionKangasharju and Ross, A Replicated Architecture for the Domain Name System, Infocom 2000

Malone, The root of the matter: hints or slaves, IMC 2004

Handley and Greenhalgh, The Case for Pushing DNS, HOTNETS 2005

P2PCox et al., Serving DNS using a Peer-to-Peer Lookup Service, IPTPS 2002

Ramasubramanian and Sirer, The Design and Implementation of a Next Generation Name Service for the Internet, SIGCOMM 2004

CentralizingDeegan et al., The Main Name System: An exercise in centralized computing, CCR 35(5), 2005

Tim Deegan <tim.deegan@cl.cam.ac.uk> http://www.cl.cam.ac.uk/~tjd21/