retransmit
Verb
Meaning
transmit again
Source: WordNetSynonyms
Antonyms
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Examples
Acknowledgments allow senders to determine when to retransmit lost packets.
If a packet gets lost in the network, the intended recipient will timeout and may retransmit their last packet (which may be data or an acknowledgment), thus causing the sender of the lost packet to retransmit that lost packet.
If it does so, the TCP sender will retransmit the packet previous to the out-of-order packet and slow its data delivery rate for that connection.
Further, in case a retransmit timer has fired and still no acknowledgement is received, the next timer is set to twice the previous value (up to a certain threshold).
However, special satellites have been launched recently that are now able to detect and retransmit this data.
If no response is received after a timer controlled wait period the UAC may chose to terminate the transaction or retransmit the INVITE.