MCP connects an agent to its tools; A2A connects an agent to another agent. This article wires a .NET Microsoft Agent Framework coordinator on Azure to a Python agent and MCP tool server laid out for Amazon Bedrock AgentCore Runtime, and reports what broke: A2A 0.3 versus 1.0 version skew, identity across the cloud boundary, and task lifecycle handling.
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Multi-Agent Orchestration Patterns in Microsoft Agent Framework – Part 7
Master the five orchestration patterns: Sequential, Concurrent, Handoff, Group Chat, and Magentic. Learn when to use each pattern.
Read more →Bedrock Multi-Agent Collaboration: From re:Invent Demo to Enterprise Production
Amazon Bedrock Multi-Agent Collaboration reached GA at re:Invent 2024, enabling supervisor agents to orchestrate specialised sub-agents across enterprise domains. This is the production reality check: routing quality, token cost multiplication, failure modes that don’t surface until scale, parallel invocation patterns, and the compliance gap that catches regulated industry teams — Guardrails don’t propagate from supervisor to sub-agents.
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