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1.11.
(existingportfolio) , , , -, .
(plannedportfolio) , .
(migrationplanning) - , , (). .
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Level 1. Mission-Critical. () . , .
Mission-Critical:
Level 2. Business-Critical. , . , - , . (.. ), , , . , (, Mission-Critical). , , , , .
Business-Critical:
Level 3. Business Operational. , . , , . .
Business Operational:
Level 4. Office Productivity. . , . , . Office Productivity:
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