You have been hired by a cloud computing company that deploys thousands of servers at each of

Question:

You have been hired by a cloud computing company that deploys thousands of servers at each of its data centers. They have recently heard that it would be worthwhile to handle a page fault at server a by reading the page from the RAM memory of some other server rather than its local disk drive.
(a) How could that be done?
(b) Under what conditions would the approach be worthwhile? Be feasible?