Backend

Backend: HTTP protocols, server architecture, REST APIs, and server-side engineering patterns.

Articles

fingerprint25 min read

UUID Standard: From UUIDv1 to UUIDv8 – A Complete Guide

All eight UUID versions explained: how they work, why RFC 9562 matters, and why UUIDv7 beats UUIDv4 for database primary keys.

UUIDUUIDv7UUIDv4RFC 9562distributed systemsdatabaseprimary keyB-treeULIDidentifierbackendGUID
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http20 min read

From HTTP/1.1 to HTTP/3: Network Stack Evolution

Deep-dive into HTTP/1.1, HTTP/2, and HTTP/3: binary framing, multiplexing, QUIC protocol, Head-of-Line Blocking elimination, and practical diagnostics with curl and Wireshark.

HTTPHTTP/2HTTP/3QUICTCPTLSnetwork protocolsweb performancebackendprotokoły sieciowe
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