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Optimizing Cloud Migration: Performance Lessons for the Enterprise

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Phase 2: Dos and Don'ts Do • Stage your migration • Test and POC everything first; take advantage of the throwaway nature of the cloud and stage the release using an A/B testing- type approach • Consider performance part of testing • Test on an environment that's as live-like as possible • Take advantage of cloud systems to mitigate risk • Continue to test and validate systems into production • Analyze the routing seen by real users using analytics software • Understand who and where your users are • Define some KPIs/acceptance criteria before starting POCs or migrations • Think in terms of end-to-end transactions, not individual ele‐ ments • Think beyond user interactions; include back-office integrations • Have monitoring in place to identify poor performance and mitigations to handle it • Have monitoring in place to identify Internet performance problems as they arise • Look at how the application is performing, not the server • Use APM and IPM tooling to get an end-to-end understanding Don't • Set a target of improved performance where that is not the objective of the migration • Rely on cloud providers' dashboards • Assume all users have the same tolerance and expectations of performance 18 | Phase 2: Beginning Your Journey to the Cloud

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