A router separating process p from two others, q and r, fails immediately after p initiates the multicasting of message m. If the group communication system is view-synchronous, explain what happens to p next.
What will be an ideal response?
Process p must receive a new group view containing only itself, and it must receive the message it sent. The question is: in what order should these events be delivered to p?.
If p received the message first, then that would tell p that q and r received the message; but the question implies that they did not receive it. So p must receive the group view first.
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There are four general means of authenticating a user's identity. They are: something the individual knows, something the individual possesses, something the individual is, and something the individual __________ .
Fill in the blank(s) with the appropriate word(s).
This is used for the protection of sensitive, unclassified information.
What will be an ideal response?