Network Architects and Cloud Engineers
Designing a hybrid connectivity bridge between on-premises data centers and Google Cloud VPCs
Use cases
About
The Internal TCP UDP connected networks mind map is a technical architecture guide for IT professionals managing Google Cloud networking. It covers 5 major connectivity strategies including VPC Network Peering and Cloud Interconnect, detailing how to route traffic to internal load balancers across 40 distinct configuration nodes. This template serves as a 'Internal TCP/UDP connected networks cheat sheet' for engineers designing hybrid cloud environments. It specifically addresses critical infrastructure components such as 'Cloud VPN tunnels', 'VPC Network Peering', and 'Cloud Interconnect' to ensure seamless data flow between on-premises systems and cloud-native virtual machines. By mapping out ingress firewall rules and dynamic routing requirements, it provides a measurable framework for network security and accessibility audits.
Terms and ConditionsWhen to use this template
Site Reliability Engineers (SREs)
Troubleshooting connectivity issues between peered VPC networks and internal load balancers
IT Security Compliance Officers
Documenting network security compliance and firewall rule logic for an IT audit
How to use this template
Step 1
Import the network template
Open the .xmind file in Xmind desktop or web app to view the full hierarchy of connectivity methods.
Step 2
Map your specific routes
Replace the generic routing nodes with your actual subnet ranges and Cloud Router configurations to reflect your environment.
Step 3
Define your firewall rules
Use the ingress and egress nodes to document the specific firewall rules required for your internal TCP/UDP load balancers.
Frequently asked questions
This template includes a comprehensive breakdown of connectivity methods like VPC Peering, Cloud VPN, and Cloud Interconnect. It details firewall rule requirements, routing logic for on-premises clients, and specific configurations for global access to internal load balancers across different Google Cloud regions.
Use the 'Access through Cloud Interconnect' and 'Cloud VPN tunnels' branches to map out your physical and virtual connections. You can customize the nodes to reflect your specific IP ranges, VLAN IDs, and firewall policies to create a visual source of truth for your infrastructure.
Yes, this Xmind template is fully editable. You can add your own network names, modify the routing logic to match your specific VPC architecture, and use icons to mark active versus planned connection paths.
It is used to visualize how Google Cloud shares subnet routes between peered networks. It highlights that while routes are shared, firewall rules are not, helping you plan necessary ingress rules for your internal load balancers.
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