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1372304
Changeover Techniques
Description
Mind Map on Changeover Techniques, created by Abdul Abdillahi on 29/09/2014.
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Mind Map by
Abdul Abdillahi
, updated more than 1 year ago
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Created by
Abdul Abdillahi
about 10 years ago
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Resource summary
Changeover Techniques
Parallel Changeover
What is it: In a Parallel Changeover the new system runs simultaneously with the old system for a given period of time.
Advantages
Carries Low Risk
Can be reverted back to the original system
Disadvantages
High Costs
Time Consuming
Direct Changeover
What is it: In a direct changeover, the entire system is replaced in an instant.
Disadvantages
Most Risk
Old system gone as soon as new system is implemented
Advantages
Works best where a systems failure will not leave a disaster for the company
Phased Changeover
What is it: In a phased changeover, the new system is implemented one stage at a time
Advantages
Low Costs
Isolated Errors
Trains Staff
Disadvantages
Time Consuming due to implementation of different phases
Pilot Changeover
What is it: In a pilot changeover, the new system is tried out at a test site before launching it company-wide
Advantages
Cost Effective
Trains Staff
Disadvantages
For the office / department doing the pilot, there is no back-up system if things go wrong
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