Legacy Modernisation
Recognising hidden costs, choosing a modernisation strategy, and planning migration from legacy systems.
Legacy systems rarely fail overnight. They accumulate cost gradually through maintenance burden, talent risk, security exposure, and missed opportunities. These guides help you recognise when a system has crossed from "stable" to "expensive" and choose the right modernisation path.
From the 6 Rs decision framework to detailed migration playbooks, this collection is for technology leaders who need to modernise without disrupting the business.
Modernise, Rebuild, or Replace: A Decision Framework for Legacy Systems
Six modernisation strategies explained in plain language. Decision criteria, cost and risk comparisons, and how AI-augmented delivery changes which options are viable.
Signs Your Legacy System Is Costing You More Than You Think
Legacy systems hide their true costs in maintenance burden, talent risk, security exposure, and missed opportunities. Eight warning signs and how AI-augmented analysis reveals the full picture.
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AI and Code
AI tools, IP ownership, attribution, and compliance for enterprise teams.
API and Integration
REST, GraphQL, gRPC, Azure API Management, and integration patterns.
Build, Buy, or Replace
Decision frameworks for build vs buy, SaaS replacement, and migration planning.
Development Practice
DevOps, CI/CD, testing, estimation, and delivery patterns.
Teams and Support
Choosing partners, managing handovers, and outsourcing application support.
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