RPC Full Form

What is the full form of RPC?

The Full Form of RPC is Remote Procedure Calls.

RPC stands for a protocol employed by a computer program to raise a service request via a network connection but without any of its complexities, thus resulting in a subroutine or a procedure in a different program on another computer. RPC of this type occurs as a result of a computer program executing a procedure in the address bar of a different computer on an internet connection that is shared, without the need to focus on the complexities or details of the network.

The codes on all these calls are written to appear the same as the normal local procedural calls to the same system, i.e., the user is totally removed from the idea that the operation is occurring on the same network but a different system. There are no explicit codes involved here.

Procedure for RPC

  • A type of Inter-Process Communication (IPC).
  • Here, a call to the host machine, the procedure varies in the virtual address bar.
  • The binary or real address remains unchanged.
  • In case, the host is another machine, then they would differ in binary addresses too.
  • This method of communication applies the request-response paradigm to communicate.

Types of RPC

Meanwhile, there are three kinds of RPCs. They are:

  • Callback Remote Procedure Calls
  • Broadcast Remote Procedure Calls
  • Batch-Mode Remote Procedure Calls

How RPC has Evolved Over Time

The word “remote procedure call” was first created in 1981 by Bruce Jay Nelson.

  • According to the ARPANET document, they were planning to consider network functions as RPCs.
  • RPCs found in the current computing systems date back to the RC 4000 multiprogramming system that utilises the request-response model to process synchronisation.
  • Brain Randall and colleagues used the RPCs for their Newcastle connection amidst UNIX machines in 1982, followed by Andrew Birrell and Bruce Nelson. They used RPC for “Lupine” in the Cedar environment at XEROX PARC. This was the primary business use for RPCs that was recorded.

Features of RPC

  • RPC to communicate makes use of the request-response paradigm.
  • It is also used to pass the message between the two processes located in separate systems but sharing the network.
  • Simple call syntax similar to the local calls are used.
  • It functions within the atmosphere of the server procedure.
  • Utilised for communicating amidst the procedures that are on the same machine and on different ones, as well.

Advantages of RPC

  • RPC has the complete backup of models that are procedure and thread oriented.
  • Use high-level languages to make process calls that can help the user communicate through servers.
  • Extracts from the client, the internal message transmitting mechanism.
  • Reduces the attempts to re-write the code as well as to redevelop it.
  • Enables the application’s use in a disrupted atmosphere as well.
  • RPC enables extraction features.
  • It agrees to numerous layers of protocol to enhance its performance.

Disadvantages of RPC

  • No flexibility available in the architecture of the hardware.
  • Remote calls were not as fast or reliable as the local call.
  • As the concept is ready for implementation in numerous ways, it cannot be standardised.
  • RPC is exposed to failure.
  • The effective cost to establish a network to support RPCs is high.

The GATE Exam candidates who want information are advised to reach out to BYJU’S and avail information on the eligibility criteria and GATE Cut-off. Other resources like the previous year papers or GATE syllabus will also be updated on the site.

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