Geni i m update sharing md objects with researchers mda service
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GENI I&M Update: Sharing MD Objects with Researchers, MDA Service. Goals Architecture Overview Process Functional Services Measurement Data Flows/Transfers Measurement Traffic Flows Principal Use Cases Types of Services Control Framework Implications

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GENI I&M Update: Sharing MD Objects with Researchers, MDA Service

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Geni i m update sharing md objects with researchers mda service

GENI I&M Update:Sharing MD Objects with Researchers, MDA Service

  • Goals

  • Architecture Overview

    • Process

    • Functional Services

    • Measurement Data Flows/Transfers

    • Measurement Traffic Flows

    • Principal Use Cases

    • Types of Services

    • Control Framework Implications

    • Measurement Data Objects and Descriptors

    • Controlling Access to Measurement Data Objects

    • Current Status

  • Current I&M Design and Prototyping Efforts

  • I&M Service Deployments

  • References:

    • I&M work in progress: http://groups.geni.net/geni/wiki/GeniInstMeas

    • I&M capabilities catalog: http://groups.geni.net/geni/wiki/GENIIandMCAPCAT

    • I&M architecture document: http://groups.geni.net/geni/wiki/GeniInstrumentationandMeasurementsArchitecture

    • Available I&M tools: http://groups.geni.net/geni/wiki/GeniInstMeas#AvailableGENIIMTools


Geni i m update sharing md objects with researchers mda service

Use Case 4: Experimenter (or Operator) moving MD to an archive, with an option to share with other Researchers

  • An Experimenter (or Operator) can move MD Objects (directories or files) to (and from) a Type 2 User Workspace (UW) service

    • Always includes associated MD Object Descriptor (“metadata”)

    • Identifiers and annotation in Descriptors allow Experimenter (or Operator) to manage thousands of files gathered during an experiment, or when monitoring infrastructure

  • The Experimenter (or Operator) can move selected MD Objects (directories or files) from UWservice to the Type 4 Digital Object Archive (DOA) service, to become persistent Digital Objects

    • Digital Object receives a persistent global identifier

    • Digital Object includes an associated Descriptor

    • Descriptor includes sharing policy, that DOA service is obligated to follow


Type 4 i m service with portal to share md

Type 4 I&M Service: With portal to share MD

  • Each Type 4 I&M service:

    • Has web portal to observe and share MD

    • Web portal authorization mechanism required to admit only specified users; should reuse accepted certificate/credential arrangements

    • Example: Presentation service that is part of Instrumentation Tools

    • Example: Digital Object Archive (DOA) service prototype from CNRI

    • DOA service required to follow sharing policy within Descriptor associated with a Digital Object


User workspace service

User Workspace Service

  • Each User Workspace (UW) service:

    • Is a Type 2 common service, assembled, configured and managed by a Service Provider in their sliver using Control Framework (CF) mechanisms

    • Service Provider offers UW slivers (e.g., Linux file systems) to Experimenters and Operators via CF mechanisms

    • UW service sliver is a resource to be obtained by an Operator via CF, and then configured and managed

    • Policy is required to make sliver available to selected experimenters and operators


Digital object archive doa service

Digital Object Archive (DOA) Service

  • Each DOA service:

    • Is a Type 4 service with a web portal to observe and share MD

    • Required to follow sharing policy within Descriptor when sharing Digital Object

    • Policy required to make digital object available to selected users within GENI, selected users outside of GENI, and/or all others


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