來回通訊延遲Round-trip delay time),在通訊Communication)、電腦網路Computer network)領域中,意指:在雙方通訊中,發訊方訊號Signal傳播Propagation)到收訊方的時間(意即:傳播延遲Propagation delay)),加上收訊方回傳訊息到發訊方的時間(如果沒有造成雙向傳播速率差異的因素,此時間與發訊方將訊號傳播到收訊方的時間一樣久)。[1]

參考資料

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