The spec for the protocol is here 
https://git-wip-us.apache.org/repos/asf?p=cassandra.git;a=blob_plain;f=doc/native_protocol.spec;hb=refs/heads/cassandra-1.2

Cheers

-----------------
Aaron Morton
Freelance Cassandra Developer
New Zealand

@aaronmorton

On 1/02/2013, at 6:42 AM, Gabriel Ciuloaica <gciuloaica@gmail.com> wrote:

Hi,

You may take a look to java-driver project. It has an implementation for connection pool.

Cheers,
Gabi

On 1/31/13 6:48 PM, Vivek Mishra wrote:
Hi,
Any connection pool API available for cassandra transport Client(org.apache.cassandra.transport.Client)?

-Vivek