Transitional Architecture
Martin Fowler
MARCH 28, 2022
The core to a successful legacy displacement is the gradual replacement of legacy with new software, as this allows benefits to delivered early and circumvents the risks of a Big Bang. During displacement the legacy and new system will have to operate simultaneously allowing behavior to be split between old and new. Ian Cartwright, Rob Horn, and James Lewis explain how to build and evolve a Transitional Architecture that supports this collaboration as it changes over time.
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