From burst to bust: What happens when cloud runs dry?

After years of initial resistance, the capital markets have come to depend heavily on the compute capacity of the public cloud. But increasing market volumes are rapidly outpacing the cloud capacity that organizations thought would be sufficient for years to come, causing firms to be more critical about how they assess cloud services and providers.

At its technology conference in June, industry regulator Finra revealed a startling statistic—the amount of information being collected to support the Securities and Exchange Commission (SEC)-mandated Consolidated Audit Trail (Cat) of all US equities quote and trade data was straining the limits of the capacity it had provisioned in Amazon Web Services’ public cloud to run the Cat.

“The peak volumes of the Cat have exposed some scalability issues in the public cloud. Volumes keep going up. When

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