blog.royc.ee

A technical blog — field notes on networking, systems, and privacy, and what I learned building them. First posts are in progress.

coming soon

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Building a Segmented Home Network, One Phase at a Time

What I learned rebuilding a flat home network into VLAN-segmented, observable infrastructure.

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When Ping Works but TCP Doesn't: Diagnosing a Residential Link

A methodical packet-capture hunt for a protocol-specific failure at the edge of a home network.

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How a Modern Mobile App Talks to the Internet

A networking teardown — SDKs, QUIC, TLS, and on-device instrumentation — and where each technique hits its limits.