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ESBs in API Gateway's clothing

Published : Oct 28, 2020
This blip is not on the current edition of the Radar. If it was on one of the last few editions, it is likely that it is still relevant. If the blip is older, it might no longer be relevant and our assessment might be different today. Unfortunately, we simply don't have the bandwidth to continuously review blips from previous editions of the Radar. Understand more
Oct 2020
Hold ?

We've long warned against centralized enterprise services buses and defined "smart endpoints, dumb pipes" as one of the core characteristics of a microservices architecture. Unfortunately, we're observing a pattern of traditional ESBs rebranding themselves, creating ESBs in API gateway's clothing that naturally encourage overambitious API gateways. Don't let the marketing fool you: regardless of what you call it, putting business logic (including orchestration and transformation) in a centralized tool creates architectural coupling, decreases transparency, and increases vendor lock-in with no clear upside. API gateways can still act as a useful abstraction for crosscutting concerns, but we believe the smarts should live in the APIs themselves.

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