Complex sentence: In the context of computer networks, the term "jitter" is often used as a measure of the variability over time of the packet latency across a network and the standards-based term is "packet delay variation" (PDV).
Split into simpler sentences: In the context of computer networks, the term "jitter" is often used as a measure of the variability over time of the packet latency across a network. However, for this use, the more precise and standards-based term is "packet delay variation" (PDV).