message duplication
a single message arrives multiple times due to routers, retries, or log replays
message duplication in a sentence
“Idempotent operations protect against message duplication in at-least-once delivery systems.”
Related Words
message reordering
messages arrive in a different order from their sending due to variable latency in asynchronous networks
message omission
a message is sent but never received; indistinguishable from infinite delay in asynchronous systems
network partition
a pattern of message omission where a network link loses all messages between two sets of nodes
pause
a process halts for some duration then resumes; in asynchronous systems, pauses can be indefinitely long
storage corruption
a storage device silently returns incorrect data for reads without signaling any error
misdirected write
data is written to the wrong storage location, overwriting unrelated existing data