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Raghavendra Govindu
Raghavendra Govindu

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The OSI Layers of Agentic AI: How Agents Communicate Using MCP, A2A, ACP, ANP & AG‑UI and RAG

Modern AI systems have evolved past simple chat interfaces. We are moving away from basic prompt engineering and stepping directly into full-scale systems architecture.

If you are building anything more complex than a standard API wrapper, understanding the modern AI stack is no longer optional, it is a strategic requirement.

To build production-grade agentic systems, we have to look at how we got here and map the five-layer stack that mirrors the classic OSI model of networking. Go through the link below for a detailed explanation.

The OSI Layers of Agentic AI: A Developer’s Guide to the New Intelligence Stack.

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