<READ_MULT_REQUEST - control, number of objects, oids
<MOVE_REQUEST - control, oid
<MOVE_MULT_REQUEST - control, number of objects, oids
-<TRANS_REQUEST - control, number of objects read, number of objects modified, read headers, modified objects
+<TRANS_REQUEST - control, tid, number of machines, number of objects read, number of objects modified, total bytes of modified objects (headers+bytes), list mid's, <oid, version> tuples for read objects, modified objects
<TRANS_ABORT - control
<TRANS_COMMIT - control