delay variation
Technical term in computing and networking, referring to the fluctuation in packet delay over time.
If the network's delay variation is large, the quality of voice calls degrades.
遅延 means 'delay' in general, while 遅延変動 specifically refers to the variation or fluctuation of that delay.
ジッター is the common loanword for 'jitter', which is essentially the same concept as 遅延変動 in networking contexts.
cell delay variation; CDV
delay variation sensitive
Compound of 遅延 (delay) and 変動 (variation, fluctuation). A straightforward technical term formed from existing Sino-Japanese morphemes.