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Enabling Performance Intelligence for Application Adaptation in the Future Internet
Calyam, Prasad,Sridharan, Munkundan,Xu, Yingxiao,Zhu, Kunpeng,Berryman, Alex,Patali, Rohit,Venkataraman, Aishwarya The Korea Institute of Information and Commucation 2011 Journal of communications and networks Vol.13 No.6
Today's Internet which provides communication channels with best-effort end-to-end performance is rapidly evolving into an autonomic global computing platform. Achieving autonomicity in the Future Internet will require a performance architecture that (a) allows users to request and own 'slices' of geographically-distributed host and network resources, (b) measures and monitors end-to-end host and network status, (c) enables analysis of the measurements within expert systems, and (d) provides performance intelligence in a timely manner for application adaptations to improve performance and scalability. We describe the requirements and design of one such "Future Internet performance architecture" (FIPA), and present our reference implementation of FIPA called 'OnTimeMeasure.' OnTimeMeasure comprises of several measurement-related services that can interact with each other and with existing measurement frameworks to enable performance intelligence. We also explain our OnTimeMeasure deployment in the global environment for network innovations (GENI) infrastructure collaborative research initiative to build a sliceable Future Internet. Further, we present an applicationad-aptation case study in GENI that uses OnTimeMeasure-enabled performance intelligence in the context of dynamic resource allocation within thin-client based virtual desktop clouds. We show how a virtual desktop cloud provider in the Future Internet can use the performance intelligence to increase cloud scalability, while simultaneously delivering satisfactory user quality-of-experience.
Enabling Performance Intelligence for Application Adaptation in the Future Internet
Prasad Calyam,Munkundan Sridharan,Yingxiao Xu,Kunpeng Zhu,Alex Berryman,Rohit Patali,Aishwarya Venkataraman 한국통신학회 2011 Journal of communications and networks Vol.13 No.6
Today’s Internet which provides communication channels with best-effort end-to-end performance is rapidly evolving into an autonomic global computing platform. Achieving autonomicity in the Future Internet will require a performance architecture that (a) allows users to request and own ‘slices’ of geographically-distributed host and network resources, (b) measures and monitors end-to-end host and network status, (c) enables analysis of the measurements within expert systems, and (d)provides performance intelligence in a timely manner for application adaptations to improve performance and scalability. We describe the requirements and design of one such “Future Internet performance architecture” (FIPA), and present our reference implementation of FIPA called ‘OnTimeMeasure.’ OnTimeMeasure comprises of several measurement-related services that can interact with each other and with existing measurement frameworks to enable performance intelligence.We also explain our OnTimeMeasure deployment in the global environment for network innovations (GENI) infrastructure collaborative research initiative to build a sliceable Future Internet. Further, we present an application–adaptation case study in GENI that uses OnTimeMeasure–enabled performance intelligence in the context of dynamic resource allocation within thin-client based virtual desktop clouds. We show how a virtual desktop cloud provider in the Future Internet can use the performance intelligence to increase cloud scalability, while simultaneously delivering satisfactory user quality-of-experience.
Structure ofSn107studied through single-neutron knockout reactions
Cerizza, G.,Ayres, A.,Jones, K. L.,Grzywacz, R.,Bey, A.,Bingham, C.,Cartegni, L.,Miller, D.,Padgett, S.,Baugher, T.,Bazin, D.,Berryman, J. S.,Gade, A.,McDaniel, S.,Ratkiewicz, A.,Shore, A.,Stroberg, S American Physical Society 2016 Physical Review C Vol.93 No.2
<P>The neutron-deficient nucleus Sn-107 has been studied by using the one-neutron knockout reaction. By measuring the decay gamma rays and momentum distributions of reaction residues, the spins of the ground, 5/2(+), and first-excited, 7/2(+), states of Sn-107 have been assigned by comparisons to eikonal-model reaction calculations. Limits on the inclusive and exclusive cross sections have been measured and transitions due to neutron removals from below the N = 50 closed shell have been observed. New excited states up to 5.5 MeV in Sn-107 have been identified.</P>