Explain RV protocols ?

RVD

This is used to send the messages from one process to another process...in the same network.
 

RVRD

This is used to send the messages from one network to another network.
 

RVSD

This RV secure demon is used to send the data from one process to another
process in secure manner.
 

RVRSD

This is used to send s the messages from one network to another network in secure manner...