Feature Comparison

n 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

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