- Preface
- PART I — FOUNDATIONS
- Chapter 1 — The Nine-Layer Reference Architecture
- Chapter 2 — Architecturally Significant Decisions
- Chapter 3 — The Evaluation Framework
- PART II — LAYER 1: FOUNDATION MODELS
- Chapter 4 — Frontier Closed Models
- Chapter 5 — Open-Weights Frontier Models
- PART III — LAYER 2: INTEROPERABILITY PROTOCOLS & GATEWAYS
- Chapter 6 — Open Protocols: MCP and A2A
- Chapter 7 — AI Gateways and Routers
- PART IV — LAYER 3: AGENT FRAMEWORKS
- Chapter 8 — The Three Architectural Schools
- Chapter 9 — Three Niches the Big Three Don't Fill
- PART V — LAYER 4: RETRIEVAL & MEMORY
- Chapter 10 — Vector Databases
- Chapter 11 — Embedding Models and Rerankers
- Chapter 12 — Retrieval Orchestration
- Chapter 13 — Structured Memory Systems
- Chapter 14 — Long-Context Patterns
- PART VI — LAYER 5: CODING TOOLS
- Chapter 15 — AI-Native Coding Environments
- Chapter 16 — Coding Evaluation and Benchmarks
- Closing — The Half-Built System
- Executive Summaries and CIO Takeaways
- Appendix B — Architecture Review Checklists
- BACK MATTER
- Glossary of Recurring Terms
- Index of the Hundred Tools
- Selected Bibliography and Primary Sources
- About the Author
ENTERPRISE AI ARCHITECTURE AND THE MODERN AI STACK
VOLUME I — DESIGNING THE STACK
Enterprise AI is more than LLMs and chatbots. Learn how to design secure, scalable, and production-ready AI systems using a vendor-neutral architecture that connects data, models, agents, APIs, governance, and enterprise integration into one modern AI stack.
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About the Book
Artificial Intelligence is rapidly transforming how enterprises build software, automate business processes, and make decisions. Yet many organizations struggle to move beyond isolated AI experiments because they lack a clear architectural foundation for integrating AI into complex enterprise environments.
Enterprise AI Architecture and the Modern AI Stack – Volume I: Designing the Stack provides that foundation.
This book presents a practical, vendor-neutral framework for designing enterprise-grade AI systems that are secure, scalable, governed, and production-ready. Rather than focusing on individual AI models or coding techniques, it explains how every layer of the modern AI ecosystem fits together—from infrastructure and data platforms to Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), AI agents, orchestration frameworks, APIs, governance, security, and enterprise integration.
Drawing on nearly two decades of experience in enterprise architecture, cloud integration, API management, and digital transformation, the author bridges the gap between traditional enterprise architecture and the rapidly evolving world of Generative AI and Agentic AI.
Inside this book, you will learn:
- The complete Enterprise AI technology stack and how each layer works together
- How Large Language Models fit into enterprise architecture
- The role of vector databases, embeddings, and Retrieval-Augmented Generation (RAG)
- AI agents, orchestration frameworks, and Model Context Protocol (MCP)
- Secure API-first AI architectures for enterprise environments
- Enterprise governance, compliance, and responsible AI practices
- Reference architectures and design patterns for production AI systems
- How to evaluate AI platforms, frameworks, and infrastructure using architectural principles
Whether you are an Enterprise Architect, Solution Architect, Integration Architect, AI Engineer, Engineering Leader, CTO, Technology Executive, or software professional preparing for the next generation of enterprise systems, this book provides the architectural blueprint needed to design modern AI-enabled enterprises.
This is not a book about prompting or building simple chatbots.
It is a comprehensive guide to designing the enterprise AI platforms that organizations will rely on for the next decade.
Volume I: Designing the Stack is the first book in the Enterprise AI Architecture series and establishes the architectural principles that underpin modern enterprise AI. Future volumes will build on this foundation by exploring enterprise AI patterns, implementations, governance, industry use cases, and advanced architectural frameworks.
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About the Author
Padmanabham Venkiteela is an Enterprise Integration Architect, Enterprise AI Architect, researcher, author, and international speaker with nearly two decades of experience designing and modernizing enterprise technology platforms for global organizations.
His expertise spans Enterprise AI Architecture, API Management, Cloud Integration, Agentic AI, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), SAP Business Technology Platform (BTP), Google Cloud, enterprise integration, and distributed systems. Throughout his career, he has led large-scale digital transformation initiatives involving mission-critical enterprise applications, API ecosystems, cloud-native integration platforms, and AI-enabled business solutions.
Beyond industry practice, Padmanabham is an active researcher and technical author, publishing peer-reviewed papers on Enterprise AI, Agentic AI, enterprise integration, API modernization, and intelligent enterprise architectures. He is a frequent speaker at international conferences and serves as a reviewer and judge for research publications, innovation programs, and technology competitions.
Through the Enterprise AI Architecture series, his mission is to help architects, engineers, and technology leaders understand not only how modern AI technologies work, but how to design secure, scalable, and production-ready AI systems that deliver lasting business value.
Learn more at padmanabhamvenkiteela.com.
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