Articles

A full list of this study guide's articles.

Load Balancing At Different Network Layers

Bit the Chipmunk, AWS Expert published on
4 min, 730 words

Hiya, it’s Bit the Chipmunk again! Today we’re diving into one of my favorite topics — load balancing — the art of keeping traffic happy, healthy, and evenly spread out across multiple servers.

Load balancing is all about distributing traffic to improve availability, scalability, and sometimes even security. But not all load balancers are created equal — each layer of the OSI model adds its own flavor of smarts.

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Load Balancer Types

Bit the Chipmunk, AWS Expert published on
4 min, 603 words

When your app grows busier than a chipmunk in acorn season, you need a way to spread the traffic around — evenly, securely, and without hiccups. That’s where AWS load balancers come in. They’re not one-size-fits-all — each is tuned for specific layers, traffic patterns, and resilience needs.

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Load Balancer Connectivity Patterns Part 1: Internal

Bit the Chipmunk, AWS Expert published on
7 min, 1296 words

Hey there, cloud burrowers! Bit the Chipmunk here, digging into one of the trickier corners of AWS networking: internal load balancers.

Many developers think “load balancer = public entry point.” But in real AWS environments, most load balancers never touch the internet — they live deep inside private networks, keeping traffic organized, secure, and scalable behind the scenes.

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Load Balancer Connectivity Patterns Part 2: External

Bit the Chipmunk, AWS Expert published on
5 min, 863 words

Hiya! Bit the Chipmunk here — your friendly AWS study buddy! Today we’re heading out to the edge — exploring how external load balancers connect users to your applications from the internet and beyond.

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Scaling Factors for Load Balancers

Bit the Chipmunk, AWS Expert published on
4 min, 772 words

Hey there, cloud climber! 🧗‍♂️ Bit here, and today we’re looking at something every AWS networking pro must understand for the exam: how load balancers scale — and what can make them not scale when traffic spikes.

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