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,
Source IP affinity

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.