A senior-level breakdown of how @Transactional really works: AOP proxy mechanics, CGLIB vs JDK proxy, ThreadLocal transaction binding, flush/commit timing, propagation internals, isolation levels, and the production traps that cause silent data corruption, connection pool exhaustion, and 2 AM alerts.
Complete guide to Envoy Proxy, its architecture, dynamic configuration via xDS API, static setups, and system-design benefits.
Comprehensive deep dive into Nginx internals — Master-Worker architecture, epoll/kqueue event loop, thread pools, connection lifecycle, upstream proxying, load balancing, SSL/TLS termination, HTTP/2, caching, rate limiting, and production tuning.
Deep dive into network middleboxes, forward and reverse proxies, Linux Netfilter hooks, conntrack state machine, WireGuard vs IPsec VPN encapsulation, and MSS clamping.
Explains the Proxy pattern for controlling access to another object through an intermediary with the same interface.
Comprehensive guide on Spring AOP — covering core concepts, proxy mechanics, pointcut expressions, advice types, alternatives comparison, and production deep dives for senior engineers.
Senior deep dive into Tor onion routing, 3-hop circuit telescoping, cell peeling cryptography, V3 hidden services, traffic correlation attacks, and Tor vs VPN vs Proxy comparison.
