Capgemini releases white paper with practical guidance for Health IT executives

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Healthcare providers have begun to develop and implement clinical information networks designed to support electronic health records (EHRs) for every patient within the next decade. As a portion of this activity, they must be sure that those records can be shared easily with clinical peers in their local or regional area, in the state and eventually on a national basis.
Capgemini released a white paper that addresses the key technology and architectural challenges health IT experts must consider as they develop EHRs:  scalability, reliability, recoverability, interchangeable vocabularies, and integration.
One consideration explored in the white paper involves ensuring that the underlying system architecture is 'scalable' -- large enough to accommodate large numbers of simultaneous inquiries while maintaining speed to enable response in a timely manner during peak usage periods. At present, most vendors can support a maximum of about 5,000 simultaneous logons.  A related hurdle: accurately determining how much capacity will be needed to accommodate inbound messages (e.g., unsolicited updates to a data base from clinicians, labs or other authorized caregivers).