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Published byRichard Price Modified over 9 years ago
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LAMP: Bringing perfSONAR to ProtoGENI Martin Swany
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perfSONAR Overview The perfSONAR framework provides key components necessary in a large-scale, federated, interoperable measurement infrastructure –Information service (topology and service discovery) –Measurement points and archives Developed and deployed by research and education networks –Internet2, ESnet, GEANT, and RNP –Other international networks
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perfSONAR Open and extensible formats Separation of data and metadata Extensible topology and service schema called UNIS –Also used by Internet2 ION, ESnet OSCARs
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LAMP LAMP integrates perfSONAR to provide extensible, unified network and host metrics in a common interface for GENI experiments –A measurement metadata format and storage infrastructure that can be extended to uniformly store all instrumentation within the GENI system Provides a measurement portal with control and visualization interfaces to the user Interoperates with existing security model within ProtoGENI
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LAMP Workflow 1.User provides a resource specification annotated with an initial LAMP configuration –Specifies a dedicated “portal” node, the custom LAMP disk image, and bootstrap behavior 2.User creates a slice and allocates requested sliver resources 3.Resulting manifest and slice credential are sent to UNIS with provided scripts –UNIS now contains a representation of the experimental topology with I&M properties 4.Once the user’s slivers become active, the portal is reachable only with proper slice credentials from the SA 5.The user may then activate a number of measurement services from the portal, including: –Host monitoring (CPU, memory, disk, network) –Scheduled throughput and delay testing –Experiment-wide NTP services –The Periscope topology and measurement visualization tool 6.Current LAMP I&M configuration is saved and pushed to a UNIS store 7.Configured systems within the experiment pull and apply the configuration, collecting and reporting measurements within instantiated MAs
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Periscope
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