Question: Consider a SunRPC client sending a request to a server. (a) Under what circumstances can the client be sure its request has executed exactly once?

Consider a SunRPC client sending a request to a server.

(a) Under what circumstances can the client be sure its request has executed exactly once?

(b) Suppose we wished to add at-most-once semantics to SunRPC.

What changes would have to be made? Explain why adding one or more fields to the existing headers would not be sufficient.

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