+---------------------------+
| EXTERNAL SOURCE REFERENCE |
+---------------------------+
redis windows port
  - https://github.com/MSOpenTech/redis/tags/Win2.6.8
zookeeper c library
hiredis

+----------+
| features |
+----------+
- supports linux, windows
- event driven
- multi-thread client support
- zookeeper integration for gateway lookup
- gateway affinity 
