Sökning: id:"swepub:oai:lup.lub.lu.se:9013a3bf-28e1-407c-a578-f3713b77c587" > Control-theoretic A...
Fältnamn | Indikatorer | Metadata |
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000 | 03709naa a2200433 4500 | |
001 | oai:lup.lub.lu.se:9013a3bf-28e1-407c-a578-f3713b77c587 | |
003 | SwePub | |
008 | 160401s2008 | |||||||||||000 ||eng| | |
024 | 7 | a https://lup.lub.lu.se/record/7928902 URI |
024 | 7 | a https://doi.org/10.1007/s11280-007-0030-02 DOI |
040 | a (SwePub)lu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a art2 swepub-publicationtype |
072 | 7 | a ref2 swepub-contenttype |
100 | 1 | a Kihl, Mariau Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)tts-mki |
245 | 1 0 | a Control-theoretic Analysis of Admission Control Mechanisms for Web Server Systems |
264 | c 2007-08-15 | |
264 | 1 | b Springer Science and Business Media LLC,c 2008 |
338 | a electronic2 rdacarrier | |
520 | a Web sites are exposed to high rates of incoming requests. The servers may become overloaded during temporary traffic peaks when more requests arrive than the server is designed for. An admission control mechanism rejects some requests whenever the arriving traffic is too high and thereby maintains an acceptable load in the system. This paper presents how admission control mechanisms can be designed with a combination of queueing theory and control theory. In this paper we model an Apache web server as a GI/G/1-system and then design a PI-controller, commonly used in automatic control, for the server. The controller has been implemented as a module inside the Apache source code. Measurements from the laboratory setup show how robust the implemented controller is, and how it corresponds to the results from the theoretical analysis. | |
650 | 7 | a TEKNIK OCH TEKNOLOGIERx Elektroteknik och elektronik0 (SwePub)2022 hsv//swe |
650 | 7 | a ENGINEERING AND TECHNOLOGYx Electrical Engineering, Electronic Engineering, Information Engineering0 (SwePub)2022 hsv//eng |
650 | 7 | a TEKNIK OCH TEKNOLOGIERx Elektroteknik och elektronikx Reglerteknik0 (SwePub)202022 hsv//swe |
650 | 7 | a ENGINEERING AND TECHNOLOGYx Electrical Engineering, Electronic Engineering, Information Engineeringx Control Engineering0 (SwePub)202022 hsv//eng |
653 | a queueing theory | |
653 | a control theory | |
653 | a system design | |
653 | a admission control | |
700 | 1 | a Robertsson, Andersu Lund University,Lunds universitet,Institutionen för reglerteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Automatic Control,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)cont-aro |
700 | 1 | a Andersson, Mikaelu Lund University,Lunds universitet,Institutioner vid LTH,Lunds Tekniska Högskola,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)tele-man |
700 | 1 | a Wittenmark, Björnu Lund University,Lunds universitet,Institutionen för reglerteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Automatic Control,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)cont-bwi |
710 | 2 | a Institutionen för elektro- och informationsteknikb Institutioner vid LTH4 org |
773 | 0 | t World Wide Webd : Springer Science and Business Media LLCg 11:1, s. 93-116q 11:1<93-116x 1386-145Xx 1573-1413 |
856 | 4 | u https://portal.research.lu.se/files/2698292/4024342.pdfx primaryx freey FULLTEXT |
856 | 4 | u http://dx.doi.org/10.1007/s11280-007-0030-0y FULLTEXT |
856 | 4 | u https://lup.lub.lu.se/search/files/2698292/4024342.pdf |
856 | 4 8 | u https://lup.lub.lu.se/record/792890 |
856 | 4 8 | u https://doi.org/10.1007/s11280-007-0030-0 |
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