1. Measurement Data Workspace and Archive: Current State and Next Steps GEC15 Oct 2012 Giridhar Manepalli Corporation for National Research Initiatives http://www.cnri.reston.va.us/

2. Measurement Data Object 10510.0.1/A2BE-C154-1874 Experiment A Run 1 Logs Run 2 Logs Metadata Measurement Data: – A sequence or stream of bytes that correspond to one or more I&M experiments – Could consist of Planning data: scenario documents, source code, etc. Input data: configurations, rspecs, etc. Output data: log files, results, etc. – Captured as file-system directories and files for ease of use 10510.0.1/B5A7-D231-3929 Exp. A & B Exp. A Exp. B Metadata Measurement Data Object = Data + Metadata OR – Data that corresponds to ‘multiple’ related experiments – Data that corresponds to a ‘single’ experiment with one or more ‘runs’ PLUS – Metadata that describes the data object

3. Measurement Data Flow – Slices to Workspaces Experimenter Y Experimenter X Workspace Key: 1. Experiment Initiated 1 1 Slice 2. Measurement Data Collected = Measurement Data Object 22

4. Index/Catalog Digital Objects Logical Storage Layer Experiment Run 1 Logs Run 2 Logs Metadata Experiment Run 1 Logs Run 2 Logs Metadata Physical Storage Layer User Accounts SFTP SMBWebLogical Interfaces Physical - Logical Map Workspace Architecture

5. Measurement Data Flow – Workspaces to Archive Workspace 1 Experimenter Workspace N Experimenters Archive..... Stores Data Registers Handle Handle System

6. Science Times Article Title Data ID Handle System Use Archive 1.User follows Data ID into the Handle System. 2 2.User is redirected to Data Object stored in the Archive Handle System 1

7. SUITE OF SERVICES Science Times Article Title Data ID Extended Handle System Use Suite of extensible services end users can leverage by following the ID. Visualization Archive I Agree Terms:… License Enforcement I Agree Terms:… I Agree Terms:… Data Set Dissemination 10100 11010 101…. 10100 11010 101…. 10100 11010 101…. Data Processing 1.User follows Data ID into the Handle System. 2.User is presented with various Archive Service Options. Handle System 3.User reaches the desired Archive Service. 12 3

8. Next Steps Consolidate I&M Metadata Schema – Simplify metadata for lowering the entry barrier – Define a serialization schema, e.g., XSD Integrate the Handle System into GENI I&M Archive Identify and define the Archive sustainability plan and usage policies – Who manages it? Who uses it? How to use it? Etc.