Networking · 4 min read
Understanding TCP Connections
Follow a TCP connection from its handshake to its final acknowledgment, and learn what throughput measurements can actually tell you.
Category
Networking
Networking · 5 min read
Reading Traceroute Results
Learn what hop timings reveal, why missing replies can be harmless, and how to turn route output into careful network evidence.
Networking · 4 min read
IPv4 subnets and CIDR in everyday operations
Read prefix lengths, calculate subnet boundaries, and avoid assumptions about routing, private addresses, and usable hosts.
Networking · 5 min read
How DNS Resolution Works
Understand resolvers, authoritative servers, caching, and the practical checks that make DNS failures easier to explain.
Networking · 4 min read
Diagnosing packet loss without blaming the wrong hop
A practical method for separating endpoint loss, filtered probes, local interface drops, and TCP recovery.
Networking · 4 min read
Bandwidth, throughput, and latency describe different limits
Use capacity, delivered rate, delay, and variation together when evaluating a network for interactive or streaming workloads.