Synchronization Chapter 5 Synchronization Chapter 5 Clock Synchronization Notes | EduRev

: Synchronization Chapter 5 Synchronization Chapter 5 Clock Synchronization Notes | EduRev

 Page 1


Synchronization 
Chapter 5 
Page 2


Synchronization 
Chapter 5 
Clock Synchronization 
When each machine has its own clock, an event that 
occurred after another event may nevertheless be 
assigned an earlier time. 
Page 3


Synchronization 
Chapter 5 
Clock Synchronization 
When each machine has its own clock, an event that 
occurred after another event may nevertheless be 
assigned an earlier time. 
Physical Clocks (1) 
Computation of the mean solar day. 
Page 4


Synchronization 
Chapter 5 
Clock Synchronization 
When each machine has its own clock, an event that 
occurred after another event may nevertheless be 
assigned an earlier time. 
Physical Clocks (1) 
Computation of the mean solar day. 
Physical Clocks (2) 
TAI seconds are of constant length, unlike solar 
seconds.  Leap seconds are introduced when 
necessary to keep in phase with the sun. 
Page 5


Synchronization 
Chapter 5 
Clock Synchronization 
When each machine has its own clock, an event that 
occurred after another event may nevertheless be 
assigned an earlier time. 
Physical Clocks (1) 
Computation of the mean solar day. 
Physical Clocks (2) 
TAI seconds are of constant length, unlike solar 
seconds.  Leap seconds are introduced when 
necessary to keep in phase with the sun. 
Clock Synchronization Algorithms 
The relation between clock time and UTC when clocks tick at different rates. 
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