when the bucket is full , than a new node was add,according to the latest recently saw, old challengeWith the new node; if the old node response the pong message in time , the old node leave in the bucket, but when they update the old node's modified . @Nashatyrev
when the bucket is full , than a new node was add,according to the latest recently saw, old challengeWith the new node; if the old node response the pong message in time , the old node leave in the bucket, but when they update the old node's modified . @Nashatyrev