<h1><img decoding="async" style="height: 280px; width: 461px;" src="https://lh7-us.googleusercontent.com/PW2GT798LPxBHUWNwPEIzUHCc8wc8KKUom2kTf3ABuFr77VjtYnLxsCXps_jNRJL73EijfVPF7bA9g-rtf1bdK2svgG-LX9_UkQGwCh7kVboNZBJy93CV-sV6XfaCcM6ZU3rIFwYdsmdq9zpipwDheY" alt="rpc" /></h1>
<h2>What is RPC in Web Services?</h2>
<a href="https://www.cloudastra.co/blogs/what-is-a-blockchain-rpc-node">RPC in Web Services</a> is a fundamental building block in the world of distributed computing. Remote Procedure Call (RPC) is a crucial communication protocol that plays a pivotal role in today’s interconnected computing landscape. RPC lets a program on one computer ask another computer to do a specific task. It  serves as a bridge between them to accomplish tasks.  
<h2 style="margin-left: 1px; margin-right: 8px;">How RPC works? </h2>
Let us illustrate this with the help of an analogy involving two friends, John and James. John wants to know the number of employees in James’ Company. They are in different rooms and can’t communicate directly. So, John writes a note and hands it to the messenger. James receives the message and replies via the messenger. John receives the answer without the need for direct interaction, demonstrating a remote communication process akin to RPC (Remote Procedure Call) in computing.
In this example: 
• John is like a program or a process that needs some information. 
• James is like a separate program or process that can provide the required information. 
• The messenger acts as the middleman, facilitating communication between John and James. 
RPC, in the computer world, works similarly. It allows one program or  process (like John) to request a specific task or information from another program or process (like James) on a different computer, and a mediator (like the messenger) ensures that the request and response are delivered  accurately. 
<h2 style="margin-left: 1px;">Benefits of RPC </h2>
• Code Reusability and Development Efficiency: RPC eliminates code duplication, letting developers define procedures once and call them remotely, minimizing development time. 
• Resource Optimization: RPC distributes tasks across machines, leveraging diverse computing power for efficient processing, ideal for data-intensive applications. 
• Scalability: RPC’s high scalability allows seamless addition of machines to handle increased demand, adapting to changing workloads while maintaining consistent performance. 
• Platform and Language Agnosticism: RPC bridges diverse computing environments, being platform and language agnostic, crucial for heterogeneous systems. 
<h2>Real-World Applications </h2>
RPC finds extensive application in various real-world scenarios: 
1. Web Services: Many modern web services and APIs use RPC to communicate with remote servers, allowing web applications to access resources or services hosted on different machines. 
2. Microservices Architecture: In microservices architecture, RPC enables individual services to interact and collaborate seamlessly, forming a cohesive and scalable system. 
3. Cloud Computing: RPC plays a vital role in cloud computing, where virtual machines or containers may execute code on remote servers to provide cloud-based services.
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Blog Details

What is RPC?