# dummy message

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## dummy message

A message sent for some purpose other than its content, which may consist of dummy groups or may have a meaningless text.
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It should send a dummy message to the channel with probability [r.
30], call Procedure Begin_Sync Otherwise If more than one message m in B has trial(m) = clock For each m [element of] B with trial(m) = clock Choose a new trial(m) by continuing the simulation of P If exactly one message m in B has trial(m) = clock Send m If m succeeds, remove it from B Else choose a new trial(m) by continuing the simulation of P clock [left arrow] clock + 1 Procedure Queue_Step With probability 1/(3n) If (Q is empty) send a dummy message Else Send the first message in Q If the outcome is "success", remove the message from Q Add the outcome of the send to L Otherwise add "failure" to L If (|L| = [n.
We now argue that sending dummy messages is unnecessary because the protocol is "deletion resilient" in the sense that if an adversary deletes a message (e.
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