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cloud-engineering

Latency

Network Latency

Definition

Latency is the time delay between initiating a network request and receiving the first byte of response, typically measured in milliseconds. In cloud architectures, latency is affected by geographic distance, network hops, serialization overhead, and service processing time.

P99 latency (the 99th percentile) is the relevant metric for user-facing services, as average latency masks tail latency problems.


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