? what is a change over method note to video developer: can we animate the curved arrows, rotate...
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Part: A
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?What Is A Change Over Method
Note to Video Developer: Can we animate the curved arrows, rotate slowly during narration?
Note to Narrator: Pause briefly after each bulleted section andspeak slowly enough for viewers to follow thesteps.
Narration text: Welcome to the video training session. In the session, you will learn about changeover methods.As a reminder, you can pause the session at any time ,or go back to review an earlier section. Now
let’s get started • System changeover is the process of putting the new information system online and retiring the old system. • Changeover can be rapid or slow, depending on the method.• The four changeover methods are direct cutover, parallel operation, Pilot operation, and phased operation.
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Direct Cutover
Parallel Operation
Pilot Operation
Phased Operation
Note to video developer: Can we bring in the four images one at a time, per the narration?
Note to narrator: Pause briefly after each bulleted section and speak slowly enough for viewers to follow the steps.
Narration text: Let’s look at each method, and consider some pros and cons.• Direct cutover is similar to throwing a switch that instantly changes over
from the old system to the new. This method is fast, but the most risky.
• Parallel operation requires that both systems run simultaneously for a specified period, which is the slowest method, but the safest.
• Pilot operation changeover involves implementing the complete new system at a selected location. This is like direct cutover, but only at a single location, so the risk is limited.
• Phased operation changeover allows you to implement the new system in stages, or modules. This is like parallel operation, one phase at a time. The risk only involves one phase at a time.
New SystemOld System
Old System
New System
Old System New System
Old System New System
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Note to video developer: Can we show the three bulleted examples one at a time, per the narration?
Note to narrator: Pause briefly after each bulleted section and speak slowly enough for viewers to follow the steps.
Narration text: Now let’s take three specific examples, and see which method we might choose:
• Mission-critical corporate accounting system In this example, the primary goal is to minimize the risk. All other issues are
secondary. This would be a good situation for parallel operation, which is slower, but involves the least risk.
• Franchise operation with 500 locations Here, if we choose pilot operation, we can evaluate the entire system, but at a
single location. If all goes well, we can implement at other locations, or make necessary changes.
• Records archive system for five-year old data In this example, we can tolerate some risk. Because the old data is archived and
not mission-critical. We can probably reduce costs and speed up the process by using direct cutover.
Which Method would you use?Example:• Mission-critical corporate accounting system• Franchise operation with 500 locations• Records archive system for five-year old data