Articles
Practical guides on systems integration, event-driven architecture and legacy modernisation.
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The business case for modernising a legacy system
How to justify modernising a legacy system to the board: operational risk, the cost of slow change, lost capacity, and a staged plan to cut the risk.
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How to plan a systems integration
What to work out before building an integration: the business flow, data ownership, access to each system, failure handling and who supports it.
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Point-to-point or event-driven integration? How to choose
When direct connections between systems are enough, when event-driven integration pays off, and the warning signs that show which one you need.
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Rebuild or modernise? How to decide what to do with a legacy system
Should you keep, modernise in stages or rebuild a legacy system? The questions to ask, the warning signs, and the real risks of a big-bang rewrite.
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Upgrading .NET Framework to modern .NET
How to assess a .NET Framework app, upgrade it to modern .NET in stages, and handle blockers such as Web Forms, WCF hosting and AppDomains.