Show & Tell: Phase 32.1 — AgentCommunicator

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Show & Tell: Phase 32.1 — AgentCommunicator

What it does

The AgentCommunicator implements a full FIPA-ACL compliant inter-agent messaging layer with semantic communication channels, ontology-grounded message passing, and interaction protocol state tracking.

Key highlights

• 11 FIPA-ACL performatives — inform, request, cfp, propose, accept-proposal, reject-proposal, query-if, query-ref, subscribe, cancel, not-understood
• Content-based routing — Messages routed by predicate filters on content, not just recipient addresses
• Ontology negotiation — Agents can negotiate shared vocabularies for grounding message semantics
• Protocol tracking — Conversation threads managed via FIPA interaction protocol FSMs (Request, Contract-Net, Subscribe)
• Configurable QoS — At-most-once, at-least-once, exactly-once delivery with retry policies

Architecture

AgentCommunicator
├── SpeechActProcessor    — Parse & validate FIPA performatives
├── ChannelManager        — Typed pub/sub with content filtering
├── OntologyRegistry      — Shared vocabulary management
├── MessageRouter         — Unicast/multicast/broadcast routing
├── ProtocolTracker       — Conversation state machines
└── DeliveryManager       — QoS guarantees with retry/timeout

References

• Issue: Phase 32.1 — AgentCommunicator: Inter-agent messaging with FIPA-ACL speech acts & semantic channels #675
• Planning: Phase 32 Planning — Multi-Agent Collaboration & Collective Intelligence #674
• FIPA ACL Specification (SC00061G, 2002)
• Wooldridge & Jennings (1995)