Sakimori was a military system carried out under in ancient China and in Japan under the Ritsuryo system (a system of centralized government based on the ritsuryo code) from the Asuka period to the Heian period.
防人（さきもり）は古代中国や、日本の飛鳥時代から平安時代、律令制度下で行われた軍事制度である。