Last updated on March 20, 2023
Load Balancer |
Application Gateway |
Traffic Manager |
Front Door |
|
Service |
Network load balancer. |
Web traffic load balancer. |
DNS-based traffic load balancer. |
Global application delivery |
Network Protocols |
Layer 4 (TCP or UDP) |
Layer 7 (HTTP/HTTPS) |
Layer 7 (DNS) |
Layer 7 (HTTP/HTTPS) |
Type |
Internal and Public |
Standard and WAF |
– |
Standard and Premium |
Routing |
Hash-based, |
Path-based |
Performance, Weighted, Priority, Geographic, MultiValue, Subnet |
Latency, Priority, Weighted, Session Affinity |
Global/Regional Service |
Global |
Regional |
Global |
Global |
Recommended Traffic |
Non-HTTP(S) |
HTTP(S) |
Non-HTTP(S) |
HTTP(S) |
Endpoints |
NIC (VM/VMSS), IP address |
IP address/FQDN, Virtual machine/VMSS, App services |
Cloud service, App service/slot, Public IP address |
App service, Cloud service, Storage, Application Gateway, API Management, Public IP address, Traffic Manager, Custom Host |
Endpoint Monitoring |
Health probes |
Health probes |
HTTP/HTTPS GET requests |
Health probes |
Redundancy |
Zone redundant and Zonal |
Zone redundant |
Resilient to regional failures |
Resilient to regional failures |
SSL/TLS Termination |
– |
Supported |
– |
Supported |
Web Application Firewall |
– |
Supported |
– |
Supported |
Sticky Sessions |
Supported |
Supported |
– |
Supported |
VNet Peering |
Supported |
Supported |
– |
– |
SKU |
Basic and Standard |
Standard and WAF (v1 & v2) |
– |
Standard and Premium |
Pricing |
Standard Load Balancer – charged based on the number of rules and processed data. |
Charged based on Application Gateway type, processed data, outbound data transfers, and SKU. |
Charged per DNS queries, health checks, measurements, and processed data points. |
Charged based on outbound/inbound data transfers, and incoming requests from client to Front Door POPs. |
Azure Load Balancer vs Application Gateway vs Traffic Manager vs Front Door Resources:
https://docs.microsoft.com/en-us/azure/load-balancer/load-balancer-overview
https://docs.microsoft.com/en-us/azure/application-gateway/overview
https://docs.microsoft.com/en-us/azure/traffic-manager/traffic-manager-overview