What is UDP Protocol ?

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UDP (User Datagram Protocol)

            UDP is alternative communication protocol used to establish a connection between two Endpoints.It uses IP network layer for communication. Unlikely UDP is not reliable protocol like TCP.It doesnt care about the damage,data lost over the communication. The advantage of UDP is it uses less network resources and fast data transmission.

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        UDP protocol mainly used for VOIP Communication. ( Ex . Skype )

Below are the some most used UDP Protcols.

 FTP - File Transfer Protocol  Port: 20
 Telnet - Telnet Port : 23
 SMTP -Simple Mail Transfer Protocol Port :25
 TFTP -Trivial File Tranfser Protocol Port :69







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