HELIO Introduction HELIO is designed to help scientists: finding, retrieving, and analyzing data regarding the sun, its related phenomena and their effects.

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Presentation transcript:

HELIO Introduction HELIO is designed to help scientists: finding, retrieving, and analyzing data regarding the sun, its related phenomena and their effects on: the Earth, and, the other planets of the Solar System.

HELIO Technological Challenge Data and Metadata from the various instruments are: Dispersed Non completely standardized There is a complex feedback between data and metadata. Codes and Computational facilities are: Dispersed Non completely standardized Different User’s Profiles

Different users Users that possess a Grid Certificate Users that do not possess a Grid Certificate BUT are willing to login to the HELIO portal Users that do not possess a Grid Certificate AND are NOT willing to login to the HELIO portal Security Prefer to use IDL code Prefer to use HELIO Portal Prefer to write workflows HELIO Access Layer + HELIO API + Community Interaction Service HELIO Access Layer + HELIO API + Community Interaction Service

Different Resources Low Security Authentication High Security Authentication Authorization Simple User Profile

HELIO Architecture (Abstract) Resources Data & Metadata Data & MetadataStorage Computation Computation Existing Code Existing Code Security Security HELIO Service HELIO Service HELIO Service HELIO Service HELIO Service HELIO Service Access Layer Access Layer HELIO API HELIO API Web Service Web ServiceBased IDL, Java IDL, Java Decoupling layer Decoupling layer Hides unnecessary Information Hides unnecessary Information Connects to services independently Connects to services independently Use them in a workflow Use them in a workflow Use a GUI Use a GUI

The Access Layer and API Service I API HFE Workflow Engine (Server) Workflow Engine (Desktop) Standalone GUI

The Community Interaction Service Authentication Back End Community Interaction Service Community Interaction Service Access Layer & API Access Layer & API HELIO Identity Token

The HELIO Identity Token 1/2 Through Portal and APIDirectly through API Grid Certificate UID Personal proxy certificate User Profile UID Personal proxy certificate User Profile Login/Password UID Robot Proxy certificate User Profile UID User Profile Anonymous UID Robot Proxy certificate User Profile UID User Profile

The HELIO Identity Token 2/2 Proxy-based component (for high level of security) UID-based component (for low level of security) KM GD User Profile (Based on the ClassAd language) [Service=HEC; Preference=...;] [Service=HEC; Preference=...;]