(RRL) Part of Java' s Remote Method Invocation protocol. RRL exists in both the RMI client and server. It is used bY the stub or skeletonprotocol laYer and uses the transport laYer. RRL is reponsible for transport-independent functioning of RMI, such as {connection management} or {unicast}/{multicast} {object invocation}. [Specification URL?] (1997-12-03)