every non faulty thread eventually gets each message, if P broad casts M1 and Q broadcasts M2, then every thread receives M1 and M2 in the same order. For each kind of broadcast, • give a consensus...

every non faulty thread eventually gets each message,

if P broad casts M1 and Q broadcasts M2, then every thread receives M1 and M2 in the same order.

For each kind of broadcast,

• give a consensus protocol if possible;

• otherwise, sketch an impossibility proof.