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Stressed web environments as strategic games: risk profiles and Weltanschauung
Gabarró Vallès, Joaquim; Kilpatrick, Peter; Serna Iglesias, María José; Stewart, Alan
Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics; Universitat Politècnica de Catalunya. ALBCOM - Algorismia, Bioinformàtica, Complexitat i Mètodes Formals
We consider the behaviour of a set of services in a stressed web environment where performance patterns may be di cult to pre- dict. In stressed environments the performances of some providers may degrade while the performances of others, with elastic resources, may improve. The allocation of web-based providers to users (brokering) is modelled by a strategic non-cooperative angel-daemon game with risk pro les. A risk pro le speci es a bound on the number of unreliable ser- vice providers within an environment without identifying the names of these providers. Risk pro les o er a means of analysing the behaviour of broker agents which allocate service providers to users. A Nash equilib- rium is a xed point of such a game in which no user can locally improve their choice of provider { thus, a Nash equilibrium is a viable solution to the provider/user allocation problem. Angel daemon games provide a means of reasoning about stressed environments and o er the possibility of designing brokers using risk pro les and Nash equilibria.
Àrees temàtiques de la UPC::Matemàtiques i estadística::Matemàtica financera
Game theory
Mathematical economics
Jocs, Teoria de
Matemàtica financera
Classificació AMS::91 Game theory, economics, social and behavioral sciences
Attribution-NonCommercial-NoDerivs 3.0 Spain
Publicació Electrònica en CD-ROM

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