Agentic AI Reference Architecture

Orchestration · Data artifact

Agent Communication Topology

Data artifactOrchestrationOrchestration & Toolsarc:AgentCommunicationTopology

A declarative graph (e.g., adjacency matrix) specifying which agents participate and which may exchange messages in a multi-agent workflow.

Responsibility. Defines the permitted agent set and communication edges of a multi-agent system.

Also known as: Adjacency matrix, Coordination graph

constrainsconfiguresis produced byAgent Message Bus: constrainsAgent Message BusMulti-Agent Coordinator: configuresMulti-Agent CoordinatorCommunication Topology Optimizer: is produced byCommunication Topology O…
Direct neighbourhood (hover for relationship types)

Relationships

configures structural

constrains control

is produced by lifecycle

Classification

Quality attributes
Cost efficiency
Risks mitigated
Unnecessary agents and interactions

Sources

  1. Ch3.10: T. Nguyen, "Efficiency Metrics," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 3.10. ISBN: 9798244538229.