Hi, I would like to announce another try to pack complicated low level Java NIO API into somthing simple yet powerful 
JTT server handles connected clients for You.
- message receiving in a single thread.
- automaticly serializes message objects into/from bytes.
JTT server is modular.
- provides a support to build Your own intelligent module - the container of Your business intelligence.
JTT server is documented and completly free. Any questions and/or comments are appreciated. Post them here.
More info, source code and tutorila is available here http://sourceforge.net/apps/mediawiki/jtt-server/index.php?title=Main_Page