Changeover Techniques

Abdul Abdillahi
Mind Map by Abdul Abdillahi, updated more than 1 year ago
Abdul Abdillahi
Created by Abdul Abdillahi over 5 years ago


Mind Map on Changeover Techniques, created by Abdul Abdillahi on 09/29/2014.

Resource summary

Changeover Techniques
1 Parallel Changeover
1.1 What is it: In a Parallel Changeover the new system runs simultaneously with the old system for a given period of time.
1.2 Advantages
1.2.1 Carries Low Risk
1.2.2 Can be reverted back to the original system
1.3 Disadvantages
1.3.1 High Costs
1.3.2 Time Consuming
2 Direct Changeover
2.1 What is it: In a direct changeover, the entire system is replaced in an instant.
2.2 Disadvantages
2.2.1 Most Risk
2.2.2 Old system gone as soon as new system is implemented
2.3 Advantages
2.3.1 Works best where a systems failure will not leave a disaster for the company
3 Phased Changeover
3.1 What is it: In a phased changeover, the new system is implemented one stage at a time
3.2 Advantages
3.2.1 Low Costs
3.2.2 Isolated Errors
3.2.3 Trains Staff
3.3 Disadvantages
3.3.1 Time Consuming due to implementation of different phases
4 Pilot Changeover
4.1 What is it: In a pilot changeover, the new system is tried out at a test site before launching it company-wide
4.2 Advantages
4.2.1 Cost Effective
4.2.2 Trains Staff
4.3 Disadvantages
4.3.1 For the office / department doing the pilot, there is no back-up system if things go wrong
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