UDP : User Datagram Protocol (2)

Sender and recipient of do not keep any information about the state of the communication session between the two hosts

Simply provides best-efforts delivery

No guarantee that data is delivered reliably or in order

Endpoints do not maintain state information about the communication,

UDP data is sent and received on a packet-by-packet basis

Datagrams must not be too big, because if they must be fragmented, some pieces might get lost in transit

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