Feature Comparison
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VNG Corporationn the dynamic landscape of cloud computing, Load Balancers are essential tools for enhancing application performance and ensuring a seamless user experience. At VNG Cloud, we offer two primary types of Load Balancers: Application Load Balancers (ALBs) and Network Load Balancers (NLBs). This document will help users understand the differences and strengths of these Load Balancer types, enabling them to make informed decisions about which one best suits the requirements of their specific applications.
| Attribute/Feature | Application Load Balancer | Network Load Balancer |
|---|---|---|
Layer
Layer 7
Layer 4
Scheme
Internet-facing, Internal
Internet-facing, Internal
Deployment Mode
Active/StandBy
Active/StandBy
IAM Permission
Full IAM Support
Full IAM Support
Listener Configurations
Protocol
HTTP, HTTPS
TCP, UDP
Host & Path Routing
Yes
No
HTTP Header-Based Routing
No
No
Server Name Indication (SNI)
Yes
No
Enable Client CA (HTTPS Only)
Yes
No
Timeout
Yes
Yes
Whitelist IP Source
Yes
Yes
Pool Configurations
Algorithm
Round Robin, Least Connections, Source IP
Round Robin, Least Connections, Source IP
Pool Protocol
HTTP
TCP, Proxy, UDP
Enable Sticky Session
Yes
No
Enable TLS encryption
Yes
No
Health Check
TCP, HTTP
TCP, HTTP, HTTPS, Ping&UDP
Target type
IP, Instance
IP, Instance
vMonitor-platform Integration
Metric
Yes
Yes
Audit Log
Yes
Yes
Access Log
Yes
Yes