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Datalex modernizes airline retailing without disrupting its mission-critical system

aws.amazon.com by Kanniah Vagathupatti Jaikumar 13 min read Editor score 7/10

Datalex is modernizing its runtime and delivery model to build new airline retailing capabilities while preserving established shopping, pricing, and booking logic. The case illustrates the challenge of evolving a long-lived, critical system without interrupting operations.

What

- Datalex is modernizing its mission-critical airline retailing system for the offers-and-orders model while carrying forward proven retail logic.

How

- A three-day AWS workshop found an EJB/Java 8 to Spring/Java 21 migration feasible, with teams working across four parallel workstreams.

Why it matters

- Incremental modernization aims to speed delivery without disrupting airline operations, a useful constraint for evolving tightly integrated legacy systems.

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