TL32 ETC, TL32 Datasheet - Page 17

• Manufacturer Part Number: TL32
• Description: Real Time System Testing MIT 16.070 Lecture 32
• Manufacturer: ETC

hperry
5/4/01
A
A
C
Fault Tolerance - Redundant Processors
2?
3?
B
B
A says B is sick
B says A is sick
Who is right?
Who should take over the system?
A says B is sick
B says A is sick
C says A is okay
C says B is sick
You might deduce that B is sick
But what if you lose one computer?
You must consider the probability of losing a
computer given the catastrophe of being in a 2
computer case.