An HTTP session is a sequence of network request-response transactions. When a user logs into a web application, for example, an HTTP session is created to keep track of the user across multiple requests.
Session support allows you to register an arbitrary number of variables that will be preserved between requests....
General concepts on network protocols
We can say that HTTP network protocol highway that sustains all the communication and operation of web systems and the communication of APIs REST or SOAP between mobile applications and backend servers.
In other words:
Virtually all information on the Internet travels using the HTTP communication protocol
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