Stanislaw Deniziak

Work place: Department of Computer Science, Kielce University of Technology, Poland



Research Interests: Software Design, Computational Engineering, Computational Science and Engineering, Computer systems and computational processes, Systems Architecture, Information Systems, Engineering


Stanisław Deniziak is Professor of Computer Science in Department of Computer Science, Kielce University of Technology, Poland. He received MSc in Computer Science from Warsaw University of Technology, and PhD degree from Gdańsk University of Technology. In 2006 he received DSc in Computer Science from Warsaw University of Technology. Now, he is Vice Dean for Research and Promotion of Faculty of Electrical Engineering, Automatics and Computer Science, Kielce University of Technology.

He has published 78 research papers in various international and national journals and conferences. He is active reviewer end editorial member of 7 international journals such Journal of Systems and Software, Computing, Microprocessors and Microsystems, International Journal of Applied Mathematics and Computer Science, The Open Cybernetics & Systemic Journal, International Journal of the Physical Sciences, Annales UMCS - Sectio A Informatica. He has reviewed research papers of many international conferences like: IEEE Design Automation Conference, International Conference of Computational Methods in Sciences and Engineering etc.

Prof. Deniziak is IEEE and IEEE Computer Society Member.

Author Articles
Embedded Real-Time HTTP Server

By Radosiaw Czarnecki Stanislaw Deniziak

DOI:, Pub. Date: 8 Apr. 2015

This paper presents the architecture of embedded real-time web server. Unlike existing web servers, in our approach, requests are processed not in the “first in first out” order but according to their deadlines and the expected server load. For this purpose the Least Laxity First scheduling method is used. First, requests with imposed hard real-time constraints are served. Then requests enclosed by soft deadlines are processed. Finally, request without time requirements are served in the order they arrived. We also present real-time extensions to the Hypertext Transfer Protocol. We propose headers that enable defining hard and soft deadlines, as well as responses containing time information, that are being sent to the client application. The experimental results showed that in case of real-time applications our server misses significantly fewer requests, due to time out, then existing solutions. The presented server may be very useful for implementing real-time services supported by embedded systems, e.g. in future real-time “Internet of things” applications.

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