2 posts tagged with "Networking"

A load balancer distributes requests across servers so no single one gets overwhelmed. The interesting decision isn't "should I use one" — it's which layer of the OSI Model it operates at, because that choice has real consequences for speed, cost, and what it can actually do.

TCP and UDP are both ways to send bytes across a network, but "TCP is reliable, UDP isn't" undersells the actual tradeoff — UDP isn't a worse TCP, it's a deliberate bet that a late packet is worse than a lost one.