Decentralized and Optimal Control of Shared Resource Pools

E Loureiro, Patrick Nixon, S Dobson

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)

    Abstract

    Resource pools are collections of computational resources (e.g., servers) which can be used by different applications in a shared way. A crucial aspect in these pools is to allocate resources so as to ensure their proper usage, taking into account workload and specific requirements of each application. An interesting approach, in this context, is to allocate the resources in the best possible way, aiming at optimal resource usage. Workload, however, varies over time, and in turn, resource demands will vary too. To ensure that optimal resource usage is always in place, resource shares should be defined dynamically and over time. It has been claimed that utility functions are the main tool for enabling such self-optimizing behavior. Whereas many solutions with this characteristic have been proposed to date, none of them presents true decentralization within the context of shared pools. In this article, we then propose a decentralized model for optimal resource usage in shared resource pools, providing practical and theoretical evidence of its feasibility.
    Original languageEnglish
    Pages (from-to)1-14
    JournalACM Transactions on Autonomous and Adaptive Systems
    Volume7
    Issue number1
    DOIs
    Publication statusPublished - 2012

    Keywords

    • computational resources
    • decentralized algorithms
    • decentralized optimization
    • resource containers
    • resource management
    • resource pools
    • self-optimizing
    • servers
    • utility maximization

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