User Datagram Protocal, UDP

UDP provides a simpler datagram delivery service between application processes

UDP only provides two minimal transport-layer services: process-to-process data delivery and error checking

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Property	Behavior
Connectionless
Datagram Service	No connection established
Packets may show up in any order
Self contained datagram
Unreliable delivery	1. No acknowledgements

No mechanism to detect missing or mis-sequenced datagrams
No flow contorl |

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