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Volume 27, Issue 3

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Connecting Business Process, IT Infrastructure

Written by  DANIEL EVENSON October 1, 2009

On June 29th of 2009, the cloud hosting vendor Rackspace experienced a power failure which brought down customer servers in their Texas datacenter. Rackspace estimates this will cost them up to $3.5 million in customer service credits alone. Even the popular singer Justin Timberlake was impacted by the outage, bemoaning the failure to his fans via Twitter. Increasing dependency on IT services make such failures more common. Understanding these dependencies and their potential impact is a large part of the BC/DR planning effort. In this article, I’ll explain how to prepare for conducting business impact analysis via an approach called dependency modeling, as well as demonstrate how the BC/DR specialist can develop two key success factors early on: business unit buy in, and executive sponsorship. Dependency Modeling In dependency modeling we trace and record all critical dependencies within a business to build a model that comprehensively documents that business’s unique dependency configuration forming the

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