Sosa-Sosa, Victor J.Barrón, AlfredoGonzález Compean, J.L.Carretero Pérez, JesúsLópez Arévalo, Iván2021-12-212021-12-212020-01-21V. J. Sosa-Sosa, A. Barron, J. L. Gonzalez, J. Carretero and I. Lopez-Arevalo, "Improving Performance and Capacity Utilization in Cloud Storage for Content Delivery and Sharing Services," in IEEE Transactions on Cloud Computing, doi: 10.1109/TCC.2020.29684442168-7161https://hdl.handle.net/10016/33810Content delivery and sharing (CDS) is a popular and cost effective cloud-based service for organizations to deliver/share contents to/with end-users, partners and insider users. This type of service improves the data availability and I/O performance by producing and distributing replicas of shared contents. However, such a technique increases the storage/network resources utilization. This paper introduces a threefold methodology to improve the trade-off between I/O performance and capacity utilization of cloud storage for CDS services. This methodology includes: i) Definition of a classification model for identifying types of users and contents by analyzing their consumption/ demand and sharing patterns, ii) Usage of the classification model for defining content availability and load balancing schemes, and iii) Integration of a dynamic availability scheme into a cloud based CDS system. Our method was implemented ¿eng© 2020, IEEEcloud storagecontent delivery and sharingdatasharingclassification modellingavailabilityresearch articleInformáticahttps://doi.org/10.1109/TCC.2020.2968444open access112IEEE Transactions on Cloud ComputingAR/0000028245