Outubro 2008
Prof. Ismael H. F. Santos -  ismael@tecgraf.puc-rio.br                                                          2
Real-time ordering of events
send
receive
send
receive
m
1
m
2
2
1
3
4
X
Y
Z
Physical
time
A
m
3
receive
receive
send
receive
receive
receive
   t
1
   t
2
   t
3
receive
receive
m
2
m
1