Metrics and Models in Software Quality Engineering
Metrics and Models in Software Quality Engineering
Internet GIS: Distributed Geographic Information Services for the Internet and Wireless Networks
Internet GIS: Distributed Geographic Information Services for the Internet and Wireless Networks
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Internet based geographic information systems (GIS) and so called GIservices have become and inherent and common part of information systems in public and private sector. It means that many new quality requirements on them have risen. Extended ISO/IEC 9126 quality model is chosen for evaluation of some quality sub-characteristics of the chosen Internet based GIS solution. End-user response time and presence or absence of selected security measurements belong to the metrics used for evaluation of the chosen software quality. Influence of selected security measurements on end-user response time was studied on the case of University of Minnesota MapServer. Various security measurements were used for testing purposes, e.g. IPsec protocol, Authentication Header, Encapsulating Security Payload, Secure Sockets Layer protocol, and various encryption algorithms. It was determined that some of the chosen security measurements have a significant influence on the end-user response time.