AIHacker Noonabout 6 hours ago
Mapping Agent AI Protocols to OSI Stack
8 min read
MCP, A2A, ACP, AG-UI, and ANP are agent protocols in production. A mapping to the OSI stack shows layer 2 reuses HTTP and WebSockets, layer 3 uses Agent Cards and DIDs, and layer 4 tracks task lifecycles. Identity, payment, and governance have no OSI equivalent.
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