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| Author(s): |
Júlio Cezar Estrella
Total Authors: 1
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| Document type: | Doctoral Thesis |
| Press: | São Carlos. |
| Institution: | Universidade de São Paulo (USP). Instituto de Ciências Matemáticas e de Computação (ICMC/SB) |
| Defense date: | 2010-05-18 |
| Examining board members: |
Regina Helena Carlucci Santana;
Marco Dimas Gubitoso;
Celso Massaki Hirata;
Edson dos Santos Moreira;
Mário Antonio Meireles Teixeira
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| Advisor: | Regina Helena Carlucci Santana |
| Abstract | |
This thesis aims at the design and implementation of a service-oriented architecture, named WSARCH - Web Services Architecture, which allows accessing Web Services with Quality of Service (QoS). The attributes of QoS that shall be considered, aiming at evaluating the performance of Web Services in order to achieve QoS in a service-oriented architecture are identified and discussed. These QoS attributes were mapped to the components participating in a service-oriented architecture that incorporates quality of service. The proposed architecture provides the monitoring of service providers and a module that uses the data to locate the appropriate service. Aiming at the validation of the proposed architecture and the set of attributes proposed, a prototype of WSARCH was developed. The prototype allows performance evaluation studies being conducted considering the different components of the architecture, algorithms, protocols and standards. The proposal of WSARCH is inserted in a context where is important to define how a SOA architecture focusing on performance shall be designed, since the correct characterization of what to evaluate, and how to evaluate is necessary. In this thesis, the evaluation of performance is focused on the different entities participating in a service-oriented architecture: client, provider and other participants (AU) | |