Tag
acknowledgements
- Feb 6, 2026 Delivery Semantics and Where Duplicates Come From At-most-once, at-least-once, and exactly-once describe the disposition of a single message when an acknowledgement is lost, not a property of the network. backend systems
- Dec 27, 2025 Loss Detection Without Retransmitted Packets How QUIC infers loss from packet-number gaps and time thresholds, why frames rather than packets are retransmitted, and how probe timeouts keep a connection from stalling. internet protocols
- Feb 22, 2025 Acknowledgements, Offsets, and Visibility Timeouts A broker can learn about completion only through an explicit signal or an expiring lease, and the timing of both decides how much work is repeated after a crash. backend systems