09.07Blog & OSS CDN Traffic Splitting Between Mainland China and OverseasICP filing approved. A quick record of setting up split CDN routing for domestic and international visitors.6 min read
07.25Understanding HTTPS: Encryption, Certificates, and TLSHow HTTPS secures web traffic, covering symmetric and asymmetric encryption, digital signatures, CA certificates and chain validation, and the TLS handshake.10 min read
06.23Network IO ModelsA walkthrough of the five I/O models on Linux, with C and Java implementations.15 min read
12.08Internet ChecksumNotes from designing an Internet checksum lab, covering parallel summation and incremental checksum updates.6 min read
09.25Configuring a Clash Proxy for OneDrive BusinessFix OneDrive Business login stalls and download throttling under Clash by configuring bypass domains and Mixin routing rules.3 min read
07.21Http ProtocolHTTP is an application-layer protocol for transferring hypermedia documents such as HTML. This post covers request and response messages.3 min read