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VPC and Subnetwork Designing

in GCP

VPC and Subnetwork Designing
This book is 100% completeLast updated on 2026-09-19
Sudhanshu Jaiswal

"Unlock the Secrets of GCP Networking!

Design secure, scalable, and high-performance cloud networks with VPC and Subnetwork Designing in GCP. From subnet planning to hybrid connectivity, this guide empowers you to master GCP’s networking backbone—whether you're migrating, scaling, or certifying. Your cloud’s foundation starts here."

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About

About

About the Book

Master the Art of Secure, Scalable Cloud Networking in Google Cloud Platform

In the fast-evolving world of cloud computing, designing a robust, scalable, and secure network architecture is the foundation of success. VPC and Subnetwork Designing in GCP is your comprehensive guide to mastering Google Cloud Platform’s networking capabilities, from foundational concepts to advanced strategies.

This book equips cloud architects, DevOps engineers, and IT professionals with the knowledge to:
✅ Design custom VPCs tailored to workload requirements.
✅ Implement subnetworks for efficient resource segmentation.
✅ Secure networks with firewall rules, IAM policies, and private access.
✅ Optimize performance and cost with regional and global configurations.
✅ Troubleshoot common networking challenges in GCP.

From subnet planning and topology patterns to multi-tenant architectures, hybrid connectivity, and disaster recovery, this guide covers it all. Whether you're migrating to the cloud, scaling infrastructure, or preparing for Google Cloud certifications, this ebook is your roadmap to GCP networking mastery.

Why This Book?

  • Practical, real-world use cases (e.g., e-commerce platforms, multi-region DR).
  • Step-by-step implementation (VPC creation, subnet design, firewall rules).
  • GCP-specific insights (global VPCs, secondary IP ranges for GKE, Shared VPC).
  • Checklists and best practices to ensure security, scalability, and resilience.

Who Is This For?

  • Cloud engineers and architects.
  • DevOps and infrastructure teams.
  • IT professionals managing GCP environments.
  • Anyone preparing for Google Cloud certifications.

Take Control of Your Cloud Networking—Design with Confidence!

Key Themes to Highlight (Optional Additions)
  • "From Theory to Practice": Bridges conceptual knowledge with hands-on implementation.
  • "GCP-Specific Mindset Shifts": Helps AWS/Azure users transition smoothly to GCP’s unique model.
  • "Compliance & Security": Addresses PCI-DSS, GDPR, and multi-tenant isolation for regulated industries.

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Author

About the Author

Sudhanshu Jaiswal

DevOps Visionary | Cloud Architect | Automation Specialist.

I simplify complex infrastructure with Kubernetes, IaC, and robust CI/CD. Proficient in GCP/AWS and a pioneer in n8n workflow automation. Open-Source Advocate and a seasoned engineer dedicated to building resilient, scalable systems.

During my leisure time , I'm writing Hindi poetry or supporting my wife's @deepasoni6261's cooking youtube channel.

Contents

Table of Contents

Table of Contents

Introduction
  • Building Secure and Scalable Cloud Networks
Understanding the Foundation
  • Think of a Virtual Private Cloud (VPC) as your own private neighborhood in Google Cloud.

Chapter 1: The Art of Subnet Planning

  • How Many Subnets Do You Actually Need?
  • Security Requirements: Building Your Digital Fortress
  • Scalability Needs: Planning for Tomorrow
  • Fault Tolerance: Never Going Dark

Chapter 2: Common Subnet Topology Patterns

  • Regional Segmentation
  • Environment Segmentation
  • Tier-Based Segmentation
  • Service/Function Segmentation
  • Hub-and-Spoke via Shared VPC
  • The Golden Rule

Chapter 3: Network Topology: The Big Picture

  • Key Topologies in GCP
  • Flat Network
  • Hub-and-Spoke
  • Multi-Region/Global
  • Hybrid Cloud
  • Micro-segmentation

Chapter 4: Implementation: From Theory to Practice

  • Creating Your VPC
  • Setting Up Subnets
  • Configuring Connectivity
  • Enforcing Security
  • Deploying Workloads
  • Topology Selection Guide

Chapter 5: Multi-Tenant vs. Multiple Backends

  • Multi-Tenant Architecture
  • Multiple Backends
  • When to Use Which?

Chapter 6: The VPC Creation Mindset

  • IP Addressing & Subnet Design: The Foundation
  • Routing: The Traffic Director
  • Firewall Rules: Your Security Guards
  • Connectivity: Reaching Beyond

Chapter 7: GCP-Specific Mindset Shifts

  • VPCs are Global, Subnets are Regional
  • No Internet Gateway Object
  • Flexibility and Simplicity for Growth

Chapter 8: Summary Checklist for Creating a VPC

  • Plan IP Space
  • Design Subnets
  • Plan for GKE (if applicable)
  • Define Firewall Rules
  • Plan Connectivity
Conclusion
  • Empowering Your Cloud Journey with Confidence

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