https://www.youngju.dev/blog 천천히 올바르게. AI Researcher & DevOps Engineer Youngju's tech blog. GPU/CUDA, LLM, MLOps, Kubernetes AI workloads, distributed training, and data engineering. ko fjvbn2003@gmail.com (Youngju Kim) fjvbn2003@gmail.com (Youngju Kim) Wed, 15 Apr 2026 00:00:00 GMT https://www.youngju.dev/blog/culture/2026-04-15-network-engineering-tcp-bbr-tls13-http3-quic-dns-doh-bgp-anycast-cdn-websocket-webtransport-deep-dive-guide-2025 https://www.youngju.dev/blog/culture/2026-04-15-network-engineering-tcp-bbr-tls13-http3-quic-dns-doh-bgp-anycast-cdn-websocket-webtransport-deep-dive-guide-2025 TCP 혼잡 제어 BBR의 돌파, TLS 1.3의 0-RTT와 Post-Quantum, HTTP/3 + QUIC의 UDP 재해석, DNS의 진화(DoH/DoT/ECS), Facebook 2021 BGP 장애의 진짜 원인, Anycast와 CDN 라우팅, WebSocket vs SSE vs WebTransport, eBPF 관측까지. '네트워크가 느려요'를 프로토콜 레이어로 내려가 해결한다. Wed, 15 Apr 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) networkingtcpbbrtls-1-3http3quicdnsdohbgpanycastcdnwebsocketwebtransportebpf