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in the muddy children puzzle section 81 if psi at most k children have mud on the forehead will the muddy children be
haungs termination detection algorithm could be redesigned using a counter to avoid the need of splitting weights
design an efficient termination detection algorithm for a system where computation at a process is instantaneous that
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synchronous systems were defined in chapter 5 synchronous send and receive primitives were also introduced in chapter 1
for the algorithm in figure 113 answer the followinga when can the algorithm begin constructing the global states of
determine whether the interval-based distributed algorithm figure 1116 to detect possibly phi will always detect
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petersons mutual exclusion algortihm for two processes is shown in figure 1234a show that it satisfies mutual exclusion
a conjunctive predicate phi andiisinn phii where phii is a predicate defined on variables local to process piin a
prove that the predicate detection problem is np-completehint show a reduction from the satisfy ability sat
consider the following simple approach to handle deadlocks in distributed systems by using time-outs a process that has
show that in lamports algorithm if a site si is executing the critical section then sis request need not be at the top
design a check pointing and recovery algorithm that uses vector clocks and does not assume any underlying topology like
prove that the distributed commit problem is not solvable under a crash failure hint show a reduction from the
consider the following protocol for authenticationkey distribution x and y are two principals a is a certificate
choose two principles given by needham and abadi for designing cryptographic protocols for each give an example where
k-write instructiona consider the 2-write instruction that can write two locations atomically show how the 2-write
examine the standard stack object having its standard push and pop operations what is the consensus number x of the
replication derive the values of average search size a ai and utilization ui for square root replication the derived
write a program that implements message flow from the top layer to the bottom layer of the 7-layer protocol modelyour
fault containment is a problem with self-stablizing algorithms what are fault-containing self-stablizing algorithms 50
one weakness of self-stabilization is that it is a global property a failure that is local to a machine may spread and
supermarket billing system problem statement this c menu driven programs on supermarket billing system has product