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Software-Defined "Hardware" Infrastructures: A Survey on Enabling Technologies and Open Research Directions
KTH, School of Electrical Engineering and Computer Science (EECS), Communication Systems, CoS. Ericsson AB, Ericsson Res, S-16483 Stockholm, Sweden..ORCID iD: 0000-0003-4088-7884
Ericsson AB, Ericsson Res, S-16483 Stockholm, Sweden..
KTH, School of Electrical Engineering and Computer Science (EECS), Communication Systems, CoS.ORCID iD: 0000-0002-6066-746X
Ericsson AB, Ericsson Res, S-16483 Stockholm, Sweden..
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2018 (English)In: IEEE Communications Surveys and Tutorials, ISSN 1553-877X, E-ISSN 1553-877X, Vol. 20, no 3, p. 2454-2485Article in journal (Refereed) Published
Abstract [en]

This paper provides an overview of software-defined "hardware" infrastructures (SDHI). SDHI builds upon the concept of hardware (HW) resource disaggregation. HW resource disaggregation breaks today's physical server-oriented model where the use of a physical resource (e.g., processor or memory) is constrained to a physical server's chassis. SDHI extends the definition of of software-defined infrastructures (SDI) and brings greater modularity, flexibility, and extensibility to cloud infrastructures, thus allowing cloud operators to employ resources more efficiently and allowing applications not to be bounded by the physical infrastructure's layout. This paper aims to be an initial introduction to SDHI and its associated technological advancements. This paper starts with an overview of the cloud domain and puts into perspective some of the most prominent efforts in the area. Then, it presents a set of differentiating use-cases that SDHI enables. Next, we state the fundamentals behind SDI and SDHI, and elaborate why SDHI is of great interest today. Moreover, it provides an overview of the functional architecture of a cloud built on SDHI, exploring how the impact of this transformation goes far beyond the cloud infrastructure level in its impact on platforms, execution environments, and applications. Finally, an in-depth assessment is made of the technologies behind SDHI, the impact of these technologies, and the associated challenges and potential future directions of SDHI.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2018. Vol. 20, no 3, p. 2454-2485
Keywords [en]
CR-software-defined infrastructure, resource disaggregation, cloud infrastructure, rack-scale, hyperscale computing, disaggregated DC
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-235270DOI: 10.1109/COMST.2018.2834731ISI: 000443030500033Scopus ID: 2-s2.0-85046804138OAI: oai:DiVA.org:kth-235270DiVA, id: diva2:1249485
Funder
Swedish Foundation for Strategic Research Knut and Alice Wallenberg Foundation
Note

QC 20180919

Available from: 2018-09-19 Created: 2018-09-19 Last updated: 2018-11-23Bibliographically approved

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Roozbeh, AmirMaguire Jr., Gerald Q.Kostic, Dejan

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