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What is hub-and-spoke architecture?

EXPERT RESPONSE FROM: David Linthicum

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QUESTION POSED ON: 06 March 2002
Would you be kind enough to give me a general idea about hub and spoke architecture?

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It's a traditional EAI architecture where a single integration server, the hub, handles the information exchange and transformation for many applications or data stores, the spokes. Most application integration leverages hub and spoke today, however more advanced architectures are emerging based on distributed hubs or peer-to-peer.

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