Virtual Sockets and Remote Procedure Call (RPC)

Virtual Sockets

• Tasks or section of Tasks can communicate with another task or section of task
• The tasks may send or receive the stream of bytes or datagram to communicate with each other
• It is similar like IP Address / Port.
  
• In the above diagram, Task C in the Task Set is communicating with Task D in the Same Task Set
• Similarly, the Section I Portion of Task A is communicating with Section J of Task B.

Remote Procedure Call (RPC)

• When a Task1 at System 1 and Task2 at System 2, then Remote Procedure call is used.
• RPC Will be used only when both the systems are connected peer to peer but not in client server mode