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Differences between TCP and UDP

TCP vs. UDP 
-TCP stands for transmission control   protocol whereas UDP stands for user   datagram protocol.
-Tcp is a reliable and connection-oriented   Transport protocol whereas UDP is a less   reliable and connection-less protocol.
-In tcp , Error control is   mandatory.because checksum is used at   the end of the TCP to detect errors   whereas error control is optional in case   of UDP .
-TCP is comparatively slower than UDP.
-The header size of TCP is 20-60 bytes   whereas header size of UDP is 8 bytes .
-TCP doesn't supports broadcasting   whereas UDP supports broadcasting .
-TCP is used by SMTP,FTP,HTTP,HTTPs   etc, whereas UDP is used by DHCP,DNS etc .

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