ZooKeeper DNS Server

                 Key: ZOOKEEPER-703
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-703
             Project: Zookeeper
          Issue Type: Wish
            Reporter: Henry Robinson

ZooKeeper DNS Server
Possible Mentor
Henry Robinson (henry at apache dot org)

Java or Python or C

Although ZooKeeper is primarily used for co-ordination of distributed 
processes, its consistency semantics means that it's a good candidate for 
serving small (key,value) records as well. The Domain Name Service has similar 
requirements, raising the interesting question of whether ZooKeeper would be a 
capable DNS server for your local network. One intriguing possibility is having 
versioned DNS records, such that known-good configurations can be stored and 
rolled back to in the case of an issue. If this versioning primitive proves to 
be useful, it's easy to imagine other types of configuration that could be 

This project would involve designing and building an RFC-1035 compliant DNS 
server and performing a detailed performance study against an already existant 
simple DNS server like tinydns.

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