Cloud Architects and Infrastructure Engineers
Designing a secure multi-tier cloud architecture that requires internal Layer 7 traffic management
Use cases
About
The Internal HTTP(S) Load Balancing mind map provides a technical deep dive into Google Cloud's regional Layer 7 proxy-based load balancing solution. This Internal HTTP(S) Load Balancing template covers 84 distinct nodes of information, detailing how the Envoy proxy-based managed service distributes traffic to Compute Engine and GKE backends. It serves as a comprehensive Internal HTTP(S) Load Balancing cheat sheet for cloud architects, outlining critical components such as the 'URL map' for Layer 7 traffic control and 'Health checks' for backend reliability. The guide specifically addresses regional VPC constraints, explaining how internal IP addresses facilitate secure, low-latency communication within a private network while managing complex routing logic.
Terms and ConditionsWhen to use this template
DevOps Engineers and Backend Developers
Migrating a monolithic legacy application to a microservices architecture without downtime
Site Reliability Engineers (SREs)
Configuring complex URL-based routing rules for internal GKE services
How to use this template
Step 1
Import the Xmind file
Open the .xmind file in Xmind desktop or the web app to view the full architectural breakdown of the load balancing components.
Step 2
Customize routing logic
Modify the 'Path-based routing' and 'URL map' nodes to reflect your specific service paths and backend naming conventions.
Step 3
Export for documentation
Use the Export feature to save the diagram as a PDF or PNG for inclusion in your project's technical design documents.
Frequently asked questions
According to the template, the load balancer supports backends hosted on Compute Engine VMs (via instance groups) and Google Kubernetes Engine (GKE) nodes (via network endpoint groups or NEGs). All backends must be located within the same region as the load balancer to ensure proper traffic distribution.
Path-based routing utilizes the 'URL map' to evaluate incoming HTTP(S) requests. For example, requests to a base URL can be split so that '/video' paths are routed to a video-specific backend service while other paths go to default application servers.
Yes, the 'Modernizing legacy services' section outlines a specific workflow: deploying the load balancer in front of the legacy app and using traffic control to gradually shift subsets of traffic to new microservices.
The load balancer is accessible only within its chosen region of the Virtual Private Cloud (VPC) network. Only clients located in that specific region can access the internal IP address assigned to the load balancer.
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