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Title: Traffic-sensitive Live Migration of Virtual Machines

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Journal Article: Publisher's Accepted Manuscript
Journal Name:
Future Generations Computer Systems
Additional Journal Information:
Journal Volume: 72; Journal Issue: C; Related Information: CHORUS Timestamp: 2017-12-18 09:11:35; Journal ID: ISSN 0167-739X
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Citation Formats

Deshpande, Umesh, and Keahey, Kate. Traffic-sensitive Live Migration of Virtual Machines. Netherlands: N. p., 2017. Web. doi:10.1016/j.future.2016.05.003.
Deshpande, Umesh, & Keahey, Kate. Traffic-sensitive Live Migration of Virtual Machines. Netherlands. doi:10.1016/j.future.2016.05.003.
Deshpande, Umesh, and Keahey, Kate. Sat . "Traffic-sensitive Live Migration of Virtual Machines". Netherlands. doi:10.1016/j.future.2016.05.003.
title = {Traffic-sensitive Live Migration of Virtual Machines},
author = {Deshpande, Umesh and Keahey, Kate},
abstractNote = {},
doi = {10.1016/j.future.2016.05.003},
journal = {Future Generations Computer Systems},
number = C,
volume = 72,
place = {Netherlands},
year = {Sat Jul 01 00:00:00 EDT 2017},
month = {Sat Jul 01 00:00:00 EDT 2017}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at 10.1016/j.future.2016.05.003

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Cited by: 1work
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  • In this paper we address the problem of network contention between the migration traffic and the VM application traffic for the live migration of co-located Virtual Machines (VMs). When VMs are migrated with pre-copy, they run at the source host during the migration. Therefore the VM applications with predominantly outbound traffic contend with the outgoing migration traffic at the source host. Similarly, during post-copy migration, the VMs run at the destination host. Therefore the VM applications with predominantly inbound traffic contend with the incoming migration traffic at the destination host. Such a contention increases the total migration time of themore » VMs and degrades the performance of VM application. Here, we propose traffic-sensitive live VM migration technique to reduce the contention of migration traffic with the VM application traffic. It uses a combination of pre-copy and post-copy techniques for the migration of the co-located VMs, instead of relying upon any single pre-determined technique for the migration of all the VMs. We base the selection of migration techniques on VMs' network traffic profiles so that the direction of migration traffic complements the direction of the most VM application traffic. We have implemented a prototype of traffic-sensitive migration on the KVM/QEMU platform. In the evaluation, we compare traffic-sensitive migration against the approaches that use only pre-copy or only post-copy for VM migration. We show that our approach minimizes the network contention for migration, thus reducing the total migration time and the application degradation.« less
  • As the number of nodes in high-performance computing environments keeps increasing, faults are becoming common place. Reactive fault tolerance (FT) often does not scale due to massive I/O requirements and relies on manual job resubmission. This work complements reactive with proactive FT at the process level. Through health monitoring, a subset of node failures can be anticipated when one's health deteriorates. A novel process-level live migration mechanism supports continued execution of applications during much of process migration. This scheme is integrated into an MPI execution environment to transparently sustain health-inflicted node failures, which eradicates the need to restart and requeuemore » MPI jobs. Experiments indicate that 1-6.5 s of prior warning are required to successfully trigger live process migration while similar operating system virtualization mechanisms require 13-24 s. This self-healing approach complements reactive FT by nearly cutting the number of checkpoints in half when 70% of the faults are handled proactively. The work also provides a novel back migration approach to eliminate load imbalance or bottlenecks caused by migrated tasks. Experiments indicate the larger the amount of outstanding execution, the higher the benefit due to back migration.« less
  • Using a fluorescein di-{beta}-D-galactopyranoside (FDG) substrate we show that in live cells of an estrogen-sensitive yeast strain RMY/ER-ERE with human estrogen receptor (ER{alpha}) gene and the lacZ gene which encodes {beta}-galactosidase, the uptake of 17 {beta}-estradiol (E2) and the subsequent production of {beta}-galactosidase enzyme occur quite rapidly, with maximal enzyme-catalyzed product formation evident after about 30 minutes of exposure to E2. This finding which agrees with the well-known rates of enzyme-catalyzed reactions could have implications for shortening the duration of environmental sample screening and monitoring regimes using yeast-based estrogen assays, and the development of biosensors for environmental estrogens to complementmore » quantification methods.« less