A system and method for processing input/output (I/O) requests in a
virtualized computer system. I/O requests are received from a virtual
machine. A set of virtual I/O channels that may be interfaced with a host
I/O stack and/or a virtual machine I/O stack adaptively queues requested
data using a variety of I/O queue management modules. In one embodiment,
the virtual I/O channels include an entropy detection module and a queue
storage. The entropy detection module determines an entropy value of
specified I/O request data and encodes the specified I/O request data
with the entropy value within the queue storage.