A Tailorable Distributed Programming Environment

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A Tailorable Distributed Programming Environment

• E. Martel, F.Guerra, J. Miranda
• University of Las Palmas de G. C. CANARY ISLANDS
  (SPAIN)

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Contents

• Configuration Programming
• Environment for Programming Distributed
  Applications (EPDA)
• EPDA Features
• Modelling Tool
• Conclusions and current work

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Configuration Programming

• Programming
• Configuration
• Hand-made
• Configuration language
• Graphical utility

Distributed Application
Environment for Programming Distributed
Applications (EPDA)
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EPDA Features

• Component-based model
• Common tasks in DAE (Distributed Application
  Engineering)
• Software and hardware configuration
• Fault Tolerance
• Proxies

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Component-based Model

• Components, properties and relations
• Hierarchic structure
• Single components (leaves)
• Composite components (non-leaves)
• Examples
• Remote Procedure Call (RPC) GLADE
• Group Communication Service (GCS) Drago

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Component-based Model (GLADE)

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Ada Unit
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Component-based Model (Drago)
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Common Tasks in DAE

• Construction
• Configuration
• Execution
• Monitoring
• Evolution

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Software and Hardware Configuration
node1
node2
node3
node4
application1
comp1
comp2
comp3
comp4
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Software and Hardware Configuration
node4
node3
node1
node2
application1
comp1
comp2
comp3
comp4
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Fault Tolerance (data)
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Fault Tolerance (availability)
GUI
EPDA client
EPDA replicas
EPDA server
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Proxies
GUI
EPDA client
EPDA replicas
EPDA server
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EPDA-Modeller Tool
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GLADE EPDA GUI (applications)
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GLADE EPDA GUI (nodes)
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Conclusions and Current work

• Conclusions
• Tailorable robust EPDA
• Methodology to customise an EPDA
• Common elements (EPDA-Core)
• Specific elements
• Tool for modelling (EPDA-Modeller)
• Current work
• Specific feature collection for EPDAs