Introduction to the Shopper/Server Mannequin


This put up is a part of our Cloud Computing Foundations collection. Construct your abilities additional by taking our Introduction to Cloud Computing certification course.

On this put up, we’ll take a better take a look at the consumer/server mannequin, a basic idea in cloud computing.

What’s the Shopper/Server Mannequin?

Within the consumer/server mannequin:

  • a consumer sends a request to a server over a community;
  • the server processes the request; and
  • the server sends a response again to the consumer.
Diagram showing the interaction between the user client, the server, retrieving data, and sending that back to the client as a response.

This mannequin is the premise for cloud computing, and what allows builders to scale infrastructure up or down with minimal downtime or deploy purposes in shut proximity to finish customers. 

Right here’s the way it works.

A consumer is an utility that runs on a tool like your laptop computer or smartphone, whereas a server is a tool that gives providers to the consumer. The consumer and server talk over a community, and the consumer sends requests for information or providers to the server, which then processes the requests and sends the information or providers again to the consumer.

Instance: You probably have a Gmail account, your whole emails are saved in Google Cloud, and also you hook up with them by means of the web out of your pc. The consumer is our pc, which makes a request for our electronic mail by means of the web. The request then goes to the e-mail server positioned in Google Cloud. Google will fetch the emails and ship the response again to your pc so you’ll be able to learn your electronic mail.

Diagram showing the interaction between the user client, the server, retrieving an email message, and displaying the email to the end client.

The consumer/server mannequin is used to entry cloud providers, like computing energy, storage, and purposes. Shoppers might be something from internet browsers to cellular apps, and servers might be digital machines, containers, or serverless capabilities.


Whereas the consumer/server mannequin has many advantages, it has some limitations that may have an effect on its efficiency, notably throughout excessive site visitors or demand intervals. One of the vital important limitations of the consumer/server mannequin is {that a} server can get overloaded with requests from shoppers, which may trigger the server to decelerate and even crash, leading to downtime or errors. For those who use a serverless mannequin, nevertheless, site visitors might be re-routed to keep away from overload. 

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