Bela, We shouldn't need to wait for NIO2/JDK7 for this. We can do this in JDK6 as well, granted the impl may not be as good unless run on a Java7 VM. Do you have any notes on your designs somewhere? Cheers Manik -- Manik Surtani manik at jboss.org twitter.com/maniksurtani Platform Architect, JBoss Data Grid http://red.ht/data-grid