https://docs.oracle.com/javase/7/docs/technotes/guides/rmi/hello/hello-world.html#define%60 
https://docs.oracle.com/javase/8/docs/api/java/rmi/registry/LocateRegistry.html
https://docs.oracle.com/javase/8/docs/api/java/rmi/registry/package-summary.html
https://docs.oracle.com/javase/7/docs/technotes/tools/solaris/rmiregistry.html