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Client Server Architecture

Now, to understand Client Server Architecture, let us take an example. Suppose, you want to search for something on google. Then what you will do,

  • First of all, you will switch on your PC, Laptop or Mobile and open a web browser like Chrome, Firefox, or Microsoft Edge.

  • Then, you will type www.google.com in your browser search bar and then hit enter.

  • In this case, your browser is called Client.

  • The client is someone or something which generates a web request.

  • Web requests is a data that are transmitted over the Internet by following a certain protocol.

  • In case of web, this protocol is generally called Hypertext Transfer Protocol (HTTP).

  • Therefore, the web requests generated by the client are called HTTP requests.

  • Once, the HTTP request is transmitted over the internet, it reaches the server by using DNS and IP Address.

  • A server is a machine that processes the HTTP requests and sends back an HTTP response.

  • The HTTP response can be of any type like an HTML file, CSS, JavaScript File, Audio, or Video File.

  • Once the HTTP response reaches the client, the browser renders the resource over the screen.

Therefore, in the client-server architecture,

  • the client sends an HTTP request to the server through the internet,

  • the server process the incoming HTTP request and sends back an HTTP response to the client.