Lec-78: HTTP, FTP, SMTP, POP | All Application Layer Protocols | Computer Networks

HTTP

Port no. 80
Itself not reliable but uses TCP to achieve reliability.
Inband Protocol
Stateless
HTTP 1.0 Non-Persistent
HTTP 1.1 Non-Persistent
Commands(Head, Get, Post, Put, Delete, Connect)
In this video full concepts all application layer protocols like HTTP, FTP, SMTP, POP are explained.

0:00 – Introduction
1:23 – HTTP
9:28 – FTP
12:38 – SMTP and POP

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