Radar : Reliable Resource Scheduling for Composable/Disaggregated Data Centers

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)8551-8563
Journal / PublicationIEEE Transactions on Industrial Informatics
Issue number8
Online published15 Nov 2022
Publication statusPublished - Aug 2023



Hardware disaggregation decouples resources (e.g., processors and memory) from monolithic servers, potentially improving service reliability. However, from another perspective, directly exposing resource modules to a shared network may adversely affect service reliability. In this paper, we study a reliable resource allocation problem in disaggregated DCs (DDCs), considering network impact and different disaggregation scales. We provide a mixed-integer linear programming formulation and a resource allocation framework named Radar for this problem. Numerical results demonstrate that the benefits of hardware disaggregation may be adversely affected by an imperfect network. It also shows that both the hardware backup and a proposed migration-based restoration can be applied to overcome this potential adverse effect.

Research Area(s)

  • Composable/disaggregated infrastructure, hardware disaggregation, data center, reliability, network

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