Seonglae ChoUser Datagram Protocol
unreliable datagram transfer and provide almost nothing
- No connection establishment(handshaking) required (no connection state)
- No congestion control and simple small header size
Receiver extracts sender IP address and port# from received packet
UDP transmission time is better than TCP because they immediately deliver segment without confirmation process.
UDP Notion
RFC 768
RFC 768: User Datagram Protocol
https://www.rfc-editor.org/rfc/rfc768