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retransmit
Resending network data that got lost, so the receiver eventually gets a complete, correct stream.
TCP guarantees delivery, which means when a packet goes missing the sender must send it again — that resend is a retransmit. It's a core part of what makes TCP reliable despite an unreliable network underneath. Here it's noted as not-yet-implemented, so the networking stack doesn't yet recover lost packets on its own.
See also
- reassemblyPutting a message back together from network packets that arrived split up or out of order.
- QEMUSoftware that emulates a whole computer, so an operating system can boot and run inside a window instead of on real hardware.
- record layerThe part of TLS that chops your data into chunks and encrypts each one for sending.