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Sökning: WFRF:(Talyansky Roman)

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1.
  • Kolodner, Elliot K, et al. (författare)
  • A cloud environment for data-intensive storage services
  • 2011
  • Ingår i: IEEE third international conference on Cloud computing technology and science (CloudCom), 2011. - : IEEE conference proceedings. - 9781467300902 ; , s. 357-366
  • Konferensbidrag (refereegranskat)abstract
    • The emergence of cloud environments has made feasible the delivery of Internet-scale services by addressing a number of challenges such as live migration, fault tolerance and quality of service. However, current approaches do not tackle key issues related to cloud storage, which are of increasing importance given the enormous amount of data being produced in today's rich digital environment (e.g. by smart phones, social networks, sensors, user generated content). In this paper we present the architecture of a scalable and flexible cloud environment addressing the challenge of providing data-intensive storage cloud services through raising the abstraction level of storage, enabling data mobility across providers, allowing computational and content-centric access to storage and deploying new data-oriented mechanisms for QoS and security guarantees. We also demonstrate the added value and effectiveness of the proposed architecture through two real-life application scenarios from the healthcare and media domains.
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2.
  • Talyansky, Roman, et al. (författare)
  • Towards Optimized Self-Management of Distributed Object Storage Systems
  • 2015
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • Cloud storage is increasingly adopted by users due to simplified storage systems compared to on-premise storage. These systems are mostly presented as Object Storage Systems (OSSs), hiding issues, such as redundancy, from users. As new industries are considering adopting clouds for storage, OSSs have to evolve to support new needs. Among the most challenging is assuring guaranteed performance.In this paper, we present Controllable Trade-offs (CTO), an OSS-agnostic solution to add performance guarantees. CTO presents itself as a thin layer that mediates requests between the user and the OSS. For generic support, performance is controlled by tuning the rejection probability, and implemented as a user-side queue. Results show that CTO may reduce penalties 3.23 times on average and up to 68 times when the load is high.
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