Díaz-Sánchez, Felipe2020-05-262020-05-262020-05-26Díaz-Sánchez, F. (2016). Part I. Value-added services in cloud brokering. Cloud brokering: New value-added services and pricing policies, p.p. 20-71 Bogotá: Ediciones USTA.http://hdl.handle.net/11634/23448As the number of cloud computing services increases, so does the interest of consumers to be able to compare these services in order to choose those best adapted to their needs. This chapter focuses on the performance issues related to cloud provider evaluation and on the role of cloud brokers in the automatic optimization of resource allocation across multiple cloud providers. This chapter is structured as follows. Section "cloud performance evaluation". presents a survey of the current studies related to cloud performance evaluation. The motivation for and challenges behind the evaluation of cloud provider performance is also detailed in this section. Section "Placement in cloud brokering" describes the current methods used to allocate resources in cloud brokering. The studies are classified into two categories: placement based on non-functional requirements and application-aware placement.application/pdfAtribución-NoComercial-SinDerivadas 2.5 Colombiahttp://creativecommons.org/licenses/by-nc-nd/2.5/co/Virtual storage (computing)Electronic commerceCloud ComputingAlmacenamiento virtual (computación)Comercio electrónicoComputación en la nubehttps://doi.org/10.15332/dt.inv.2020.00143Generación de Nuevo Conocimiento: Capítulos en libro resultado de investigación.