Response Time Estimation of a Web-Based Electronic Health Record EHR System using Queuing Model

Authors:
Isabel de la Torre Díez;Francisco Javier Díaz Pernas;Miguel López Coronado;Roberto Hornero Sánchez;María Isabel López Gálvez;Miriam Antón Rodríguez
Affiliations:
University of Valladolid, Campus Miguel Delibes, Spain;University of Valladolid, Campus Miguel Delibes, Spain;University of Valladolid, Campus Miguel Delibes, Spain;University of Valladolid, Campus Miguel Delibes, Spain;University Institute of Applied Ophthalmobiology IOBA and the University of Valladolid, Edificio Ciencias de la Salud, Spain;University of Valladolid, Campus Miguel Delibes, Spain
Venue:
International Journal of E-Health and Medical Communications
Year:
2010

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Abstract

Response time measurement of a Web system is critically important to evaluate its performance. This response time is one of the main barriers usually found in the implementation of an effective Electronic Health Records EHRs system. The database selected will affect the system performance. This paper presents a comparison of the response times of a EHRs Web system, TeleOftalWeb, using different databases. In order to calculate these times, M/M/1 queuing models is used. Four databases were selected: Oracle 10g, dbXML 2.0, Xindice 1.2, and eXist 1.1.1. The final objective of the comparison is choosing the database system resulting in the lowest response time to TeleOftalWeb.