Aditya Garg adi-garg
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| Feature | Standard Load Balancer | Basic Load Balancer | |
|---|---|---|---|
| Scenario | Equipped for load-balancing network layer traffic when high performance and ultra-low latency is needed. Routes traffic within and across regions, and to availability zones for high resiliency. | Equipped for small-scale applications that don't need high availability or redundancy. Not compatible with availability zones for VM backend pool(loadbalancing) | |
| Backend type | IP based, NIC based | NIC based | |
| Protocol | TCP, UDP | TCP, UDP | |
| Frontend IP Configurations | Supports up to 600 configurations | Supports up to 200 configurations | |
| Backend pool size | Supports up to 1000 instances | Supports up to 300 instances | |
| Backend pool endpoints | Any virtual machines or virtual machine scale sets in a single virtual network | Virtual machines in a single availability set or virtual machine scale set | |
| Health probes | TCP, HTTP, HTTPS | TCP, HTTP | |
| Health probe down behavior | TCP connections stay alive on an instance probe down and on all probes down. | TCP connections stay alive on |