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Agent Communication Transfer Protocol (ACTP)

Learn about the ACTP middleware providing intelligent communication for multi-party agent conversations, robustness, intelligence, and platform independence.

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Agent Communication Transfer Protocol (ACTP)

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  1. Agent Communication Transfer Protocol (ACTP) Alexander Artikis, Jeremy Pitt and Christos Stergiou Imperial College of Science, Technology and Medicine, Department of Electronic and Electrical Engineering, Intelligent and Interactive Systems Group. http://www.iis.ee.ic.ac.uk/actp

  2. Project Goals - Motivation To build a middleware that will provide: • Reference by Agent Name (no physical address required) • Logical Abstraction of the Communication Process • Support for Multiple Interaction Styles (synch./asynch., one way/bi-directional) • Improved Reliability and Robustness in Agent Interactions • A Degree of Intelligence • Support for Multi-Party Agent Conversations

  3. AGENT COMMUNICATION TRANSFER PROTOCOL SynchronousHTTP AsynchronousHTTP SMTP POP3 FTP IIOP The General Framework INTERACTION PROTOCOLS ACL Messages APPLICATION LAYER HOST-TO-HOST TRANSPORT LAYER TCP, UDP, RTP, RSVP INTERNET LAYER IP, IPv6, ICMP NETWORK ACCESS LAYER HARDWARE DEVICE DRIVERS AND MEDIA ACCESS PROTOCOLS

  4. The Basic Architecture of the ACTP

  5. write (1) write (2) consult (3) answer (4) handle write (5) Asynchronous HTTP Synchronous HTTP FTP SMTP POP3 The ACTP in the Context of Agent Interactions AGENT Agent Communication Transfer Protocol StateTransition AgentInt NameServer

  6. 5 3 4 2 NAMESERVER 3 2 ACTP ACTP ACTP ACTP 1 1 AGENT AGENT AGENT AGENT Basic Features of the ACTP • Support for Indirect or Direct Communication

  7. Basic Features of the ACTP • Improved Reliability due to the Use of Alternative Protocols in the case of Failures

  8. 2 4 3 1 5 Basic Features of the ACTP • Improved Reliability due to the Use of Alternative Protocols in the case of Failures

  9. Basic Features of the ACTP • Use of Various Communication Protocols and Mechanisms • Extensible and Maintainable Object-Oriented Design • Platform-Independence • Imposing few Constraints on the Agents that can Use the ACTP • Support for Mobile Agents

  10. Basic Features of the ACTP • A GUI for Agent Developers

  11. Conclusions The Current Version of the ACTP provides • Integration of Heterogeneous Agents • Multiple Ways of Communication • A State Transition Mechanism that Improves the Reliability of Agent Interactions • An Abstraction of the Communication Process Shielding the Agents from the Networking Details • A Robust Error-Handling Mechanism

  12. Current and Future Work • Integration of OO Technology with Network Protocols • Specification and Implementation of a Learning Algorithm in the State Transition Module • Support for Programming Language Independence • Application of Security Measures on the Communications • Resource Handling • Integration with FIPA-OS • Support for Multi-Party Agent Conversations

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