Multi-Cloud Exit-Cost Modelling Before You Migrate

Every migration business case models the cost of moving in. Almost none model the cost of moving out again, which is precisely the number that determines how much real negotiating leverage and architectural freedom you actually have five years later.

Exit-cost modelling is not pessimism about a chosen platform; it is the same discipline insurers apply to any large commitment. Below is the framework we use before any landing-zone design begins.