This jira will port the client side connection code to use netty rather than direct nio.
ClientCnxn.authInfo must be thread safe
GSoC 2010: Failure Detector Model
Support encryption for C binding
Refactoring Zookeeper Client Code
Add secure authentication to Netty IPC
use netty to handle client connections
ZooKeeper 3.4.x can optionally use netty for nio but the pom does not declare the dep as optional