Latency fundamentals
Understanding propagation, queuing, and the small delays that shape application performance.
NETWORK ENGINEERING NOTEBOOK
Clearer paths through
complex networks.
Practical notes on routing, transport performance, DNS, and reliable service delivery.
Browse recent topicsResilient DNS
Simple operational patterns for dependable resolution and predictable failover.
TLS in practice
Certificate lifecycle, secure defaults, and observability for encrypted services.
ABOUT
A small collection of field notes.
LineOpt is an independent notebook for experiments and lessons from day-to-day network operations. The goal is straightforward: document what works, explain why, and keep the details useful.
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