Cloud Architects and Site Reliability Engineers
Designing a high-availability architecture on Google Cloud Platform
Use cases
About
The Load Balancer Healthcheck mind map provides a technical framework for configuring Google Cloud health checking mechanisms across 40 distinct nodes. It serves as a Load Balancer Healthcheck template and cheat sheet for cloud architects managing instance groups and zonal network endpoint groups (NEGs). The content detail how Google Cloud uses a prober to conduct periodic connection attempts, known as a probe, to determine backend health states. This Load Balancer Healthcheck mind map covers critical logic for autohealing and traffic eligibility based on configurable success and failure thresholds. By mapping out the relationship between health checks and load balancers, users can ensure their VPC network routes are correctly configured for high availability.
Terms and ConditionsWhen to use this template
Network Engineers and DevOps Teams
Troubleshooting backend connection failures in a Network Load Balancer
Infrastructure Leads and Technical Writers
Documenting standard operating procedures for managed instance group autohealing
How to use this template
Step 1
Import the template file
Open the .xmind file in Xmind desktop or the web app to begin customizing your health check architecture.
Step 2
Define your backend parameters
Navigate to the Port specification and Protocol nodes to input your specific service requirements and backend types.
Step 3
Export for team documentation
Save your customized mind map as a PDF or PNG to share the health check logic with your engineering team.
Frequently asked questions
This template includes a comprehensive breakdown of Google Cloud health check categories, protocols, and port specifications. It covers the operational logic of probers, the difference between legacy and non-legacy checks, and the specific requirements for different load balancer types like Network Load Balancing.
You can use the template to define the 'overall health state' criteria. By configuring the number of sequential successful or failed probes, you can trigger application-based autohealing for managed instance groups, ensuring traffic is only routed to healthy backends.
The prober is the health check system that connects to backends on a periodic basis. Each connection attempt is a probe. This structure allows Google Cloud to compute health states and determine if a backend is eligible for new requests.
Yes, the template is fully editable in Xmind. You can customize the Port specification node to reflect your specific TCP port 80 configurations or named ports used within your specific instance groups or NEGs.
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