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Title:OPTIMIZACIJA APLIKACIJSKEGA SLOJA TRINIVOJSKE ARHITEKTURE
Authors:ID Škorjanec, Rihard (Author)
ID Škraba, Andrej (Mentor) More about this mentor... New window
Files:.pdf UNI_Skorjanec_Rihard_2011.pdf (1,84 MB)
MD5: F893F6B5BAC17659D49BFD8EABE2B3CE
PID: 20.500.12556/dkum/f2a44ab5-fa02-4c21-9a3c-fcc38bf49ccb
 
Language:Slovenian
Work type:Undergraduate thesis
Organization:FOV - Faculty of Organizational Sciences in Kranj
Abstract: Z diplomskim delom smo želeli ugotoviti optimalno število strežnikov srednjega-aplikativnega sloja v uporabljeni trinivojski arhitekturi. Z merjenjem časov, ki so potrebni za izvedbo izbranih opravil ene izmed aplikacij, smo določili časovne porazdelitve za simulacijski model. Trinivojsko arhitekturo opazovane organizacije smo predstavili s simulacijskim modelom, v katerem smo s spreminjanjem parametrov ugotavljali vplive posameznih parametrov na odzivnost podatkovnega ter posledično aplikativnega sloja. Skupaj z merjenjem izvedbenih časov smo spremljali pogostost uporabe strežnikov in obremenitev le-teh. Tako smo lahko potrdili odločitev o uporabi sistema Microsoft Network Load Balancing za izravnavo obremenitve aplikativnih strežnikov. Da bi ugotovili ozka grla izbrane strojne opreme, smo z uporabo Performance Monitor merili zasedenost pomnilnika in procesorja določenega strežnika. Zbrani in analizirani podatki ter rezultati simulacijskega modela prispevajo k potrditvi izbranih tehnoloških pristopov ter podpori pri predlogu potrebnih sprememb.
Keywords:simulacijski model, trinivojska arhitektura, izravnava obremenitve strežnikov, monitor zmogljivosti
Place of publishing:Kranj
Year of publishing:2011
PID:20.500.12556/DKUM-18806 New window
COBISS.SI-ID:6898707  New window
NUK URN:URN:SI:UM:DK:AVTBERDO
Publication date in DKUM:22.08.2011
Views:2662
Downloads:204
Metadata:XML DC-XML DC-RDF
Categories:FOV
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Secondary language

Language:English
Title:APLICATION LAYER OPTIMIZATION OF A THREE-TIER ARCHITECTURE
Abstract: Goal of this thesis is to determine an optimized number of application servers in midle-layer used in a three-tier application architecture. We have retrieved a temporal distribution for the simulation model by measuring the time required for an execution of selected tasks, which are part of the operation executed in one of the applications running on system. We have build a simulation model of a three-tier system architecture used in an organization in which we have determined the effect of each parameter and response of application and data layer, by varying parameters. Along with implementing the measurement of time, we have monitored the frequency of application servers and load of those to confirm the decision to use Microsoft Network Load Balancing system applied to servers. By using the Performance Monitor to measure usage of CPU and memory, we have found out a possible bottleneck of selected hardware. Collected and analysed data and the results of a simulation model would contribute to the clearance of selected approaches and support for a proposal for the necessary changes.
Keywords:Simulation Model, Three-tier Architecture, Network Load Balancing, Performance Monitor


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