Synchronous RPC vs. Event-Driven Messaging for Agent-to-Agent Communication: Which Pattern Wins in Enterprise Multi-Agent Pipelines in 2026?
Enterprise AI pipelines have quietly crossed a threshold. In 2026, it is no longer unusual for a single business workflow to involve a dozen or more autonomous agents: a planning agent, several domain-specialist agents, a memory-retrieval agent, a tool-calling agent, a validation agent, and an orchestrator binding them all together.