RRL

from The Free On-line Dictionary of Computing (8 July 2008)

Remote Reference Layer
RRL

   <protocol> (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 {skeleton} {protocol 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)