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Πλοήγηση ανά Θέμα "Service Level Agreements"

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    • Distributed resource allocation mechanism for SOA service level agreements 

      Katsalis, K.; Tassiulas, L.; Viniotis, Y. (2011)
      Enterprise computing facilities, such as data centers or server farms typically employ service-oriented architectures (SOA) to support multiple, XML-based Web Services. They are typically architected in multiple computing ...

    • A Dynamic Pricing and Leasing Module for 5G Networks 

      Chounos K., Apostolaras A., Korakis T. (2020)
      In this paper, a novel framework for enabling dynamic Policy and Charging Rules in modern 5G multi-tenancy environments is designed and presented. More specifically, adaptive pricing schemes are utilized by MNOs for ...

    • Exploiting CPU voltage margins to increase the profit of cloud infrastructure providers 

      Kalogirou C., Koutsovasilis P., Antonopoulos C.D., Bellas N., Lalis S., Venugopal S., Pinto C. (2019)
      Energy efficiency is a major concern for cloud computing, with CPUs accounting a significant fraction of datacenter nodes power consumption. CPU manufacturers introduce voltage margins to guarantee correct operation. ...

    • Increasing the Profit of Cloud Providers through DRAM Operation at Reduced Margins 

      Kalogirou C., Antonopoulos C.D., Bellas N., Lalis S., Mukhanov L., Karakonstantis G. (2020)
      Energy reduction is a key objective in cloud computing, and DRAM memories are responsible for an important amount of the energy consumption of data center nodes. Vendors adopt very conservative margins for DRAM operating ...

    • Server Consolidation in Cloud Computing 

      Tziritas N., Mustafa S., Koziri M., Loukopoulos T., Khan S.U., Xu C.-Z., Zomaya A.Y. (2019)
      Minimizing service-level agreement (SLA) violations and energy consumption through server consolidation is of paramount importance for the sustainability of cloud environments. In this paper, we propose an online method ...