Layer 4 Load Balancer

advanced
networking

Definition

Load balancer that works at the transport layer, routing traffic based only on IP address and port number without looking at the content. Like a mail sorter who only reads the address on the envelope, not what's inside.

Real-World Example

A Layer 4 load balancer routes all traffic on port 443 to backend servers based on IP, handling millions of connections per second with very low latency.

Frequently Asked Questions

What is Layer 4 Load Balancer?

Load balancer that works at the transport layer, routing traffic based only on IP address and port number without looking at the content. Like a mail sorter who only reads the address on the envelope, not what's inside.

How is Layer 4 Load Balancer used in cloud computing?

A Layer 4 load balancer routes all traffic on port 443 to backend servers based on IP, handling millions of connections per second with very low latency.

What are related terms to Layer 4 Load Balancer?

Related concepts include Load Balancer, TCP, UDP. Understanding these connections helps build a comprehensive knowledge of cloud computing concepts.

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