Comparing implementations
KaRMI Sun’s RMI (JDK 1.2)
temporary objects in the stub / skeleton layer: 2 (2 x prim. args) + 2
temporary objects in the referenceand the transport layer: 0 25
native calls(except for send / receive): 0 (2 x args) + 5
optimized access for remoteobjects in the same JVM yes no