What are the major issues that telcos face in deciding whether or not to switch from centralized to distributed/federated data warehousing platforms?
Joe Oates’ Answer: First off, I am not a fan of distributed/federated data warehouse architectures for many reasons including:
I think it would be a mistake to switch from an integrated data warehouse environment to distributed/federated architecture. I have seen several organizations try the distributed/federated approach, but no long-term success. Each of these organizations switched to an integrated data warehouse with data marts off of the central data warehouse.
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