VOLTTRON_Versions

VOLTTRON 1.0 - 1.2

• VOLTTRON platform based on PNNL research and needs of the RTU Network project
• Open Source Reimplementation omitting patented features
• Integrates researcher applications, devices, and cloud applications and resources
• 1.0 Focused on building up the framework
• Agent execution environment
• Basic platform services
• Modbus driver
• 1.2 Expanded capabilities of platform
• BACnet support
• Multi-node communication
• Released on GitHub

VOLTTRON 2.0

• 2.0 Incorporated PNNL IP from the original research

• Different license: Free for buildings domain

• Resource monitoring

• Agents must present an execution contract to the platform stating their resource requirements

• Platform rejects agents which it cannot support

• Expandable framework for specify additional resources

• Agent signing and verification

• Agent package contains multiple layers which can be signed by different entities

• Creator of code

• Administrator of ‘Scope of Influence’/Deployment

• Instantiator of agent

• Most recent platform (for mobile agents)

• Each level verified before agent is allowed to run

• Entities cannot change content of other layers

• Agent Mobility

• Admin can send an agent to another platform for deployment/updating

• Agent can request to move

• Agent can bring along working files as part of ‘mutable luggage’

• Receiving platform verifies agent package and examines resource contract before executing agent

VOLTTRON 3.0

• Modularized Historian
  • Historians can be built for any storage solution
    • Previous versions did not have option for local storage
  • BaseHistorian
    • Can be extended for any solution
    • Handles subscribing to Bus
    • Local cache
• Modularized Drivers
  • Standardized creating custom drivers to scrape data and publish to the message bus
  • Simplify developing drivers and contributing new capabilities back to VOLTTRON
  • Abstracted out driver interfaces allowing Actuator Agent to handle controlling devices via any protocol
• VIP - VOLTTRON Interconnect Protocol
  • Increase security of the message bus and allow direct communication where appropriate
  • New communication model underneath VOLTTRON Message Bus
  • Compatibility layer so changes are transparent to existing agents
• Platform Agent
  • Provides point of contact for the platform
  • Enables VOLTTRON Management Central control of platform
• VOLTTRON Management Central
  • Web interface for administering VOLTTRON platforms in deployment