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IARIA Congress 2025, The 2025 IARIA Annual Congress on Frontiers in Science, Technology, Services, and Applications
July 06, 2025 to July 10, 2025 - Athens, Greece
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July 06, 2025 to July 10, 2025 - Athens, Greece
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September 28, 2025 to October 02, 2025 - Lisbon, Portugal
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September 28, 2025 to October 02, 2025 - Lisbon, Portugal
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SocSys 2025 Congress
October 26, 2025 to October 30, 2025 - Barcelona, Spain
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October 26, 2025 to October 30, 2025 - Barcelona, Spain
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- HEALTHINFO 2025, The Tenth International Conference on Informatics and Assistive Technologies for Health-Care, Medical Support and Wellbeing
TechWorld 2025 Congress
October 26, 2025 to October 30, 2025 - Barcelona, Spain
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ThinkMind // CLOUD COMPUTING 2015, The Sixth International Conference on Cloud Computing, GRIDs, and Virtualization // View article cloud_computing_2015_3_40_20054
Deployment of Virtual InfiniBand Clusters with Multi-tenancy for Cloud Computing
 Authors:
Viktor Mauch Keywords: HPC, InfiniBand, Cloud Computing, Virtualization, Openstack Abstract:
Today, most high performance computing (HPC) systems are equipped with high-speed interconnects providing low communication and synchronization latencies in order to run tightly coupled parallel computing jobs. They are typically managed and operated by individual institutions and offer a fixed capacity and static runtime environment with a limited selection of applications, libraries and system software components. On the contrary, a cloud-based Infrastructure-as-a-Service (IaaS) model for HPC resources promises more flexibility, as it enables elastic on-demand provisioning of virtual clusters and allows users to modify the runtime environment down to the operating system level. The goal of this research effort is the general demonstration of a prototypic HPC IaaS system allowing automated provisioning of virtualized HPC resources while retaining high and predictable performance. We present an approach to use high-speed cluster interconnects like InfiniBand within an IaaS environment. Our prototypic system is based on the cloud computing framework Openstack in combination with the Single Root - I/O Virtualization (SR-IOV) mechanism for PCI device virtualization. Our evaluation shows that, with this approach, we can successfully provide dynamically isolated partitions consisting of multiple virtual machines connected over virtualized InfiniBand devices. Users are put in the position to request their own virtualized HPC cluster on demand. They are able to extend or shrink the assigned infrastructure and to change the runtime environment according to their needs. To ensure the suitability for HPC applications, we evaluate the performance of a virtualized cluster compared to a physical environment by running latency and High-Performance Linpack (HPL) benchmarks. Pages: 66 to 69 Copyright: Copyright (c) IARIA, 2015 Publication date: March 22, 2015 Published in: conference ISSN: 2308-4294 ISBN: 978-1-61208-388-9 Location: Nice, France Dates: from March 22, 2015 to March 27, 2015
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