Chaos and Order 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) Sun, 14 Jun 2026 00:00:00 GMT https://www.youngju.dev/blog/kubernetes/2026-06-14-ingress-tcp-udp-services.en Exposing TCP/UDP Services with Ingress — The Limits of L4 and How to Work Around Them https://www.youngju.dev/blog/kubernetes/2026-06-14-ingress-tcp-udp-services.en Ingress is fundamentally an L7 (HTTP) abstraction. Yet when you must expose TCP/UDP services like databases, game servers, or DNS, this post shows how to use the ingress-nginx ConfigMap, Traefik EntryPoints, TLS passthrough, and the Gateway API TCPRoute/UDPRoute, and offers criteria for choosing dedicated L4 solutions instead. Sun, 14 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) ingresskubernetestcpudpnetworkingdevops https://www.youngju.dev/blog/kubernetes/2026-06-14-ingress-tcp-udp-services.ja Ingress で TCP/UDP サービスを公開する — L4 の限界と解法 https://www.youngju.dev/blog/kubernetes/2026-06-14-ingress-tcp-udp-services.ja Ingress は本来 L7（HTTP）の抽象です。それでもデータベース、ゲームサーバー、DNS のような TCP/UDP サービスを公開する必要があるとき、ingress-nginx の ConfigMap、Traefik の EntryPoint、TLS passthrough、Gateway API の TCPRoute/UDPRoute をどう使うかを整理し、専用 L4 ソリューションとの選択基準を示します。 Sun, 14 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) ingresskubernetestcpudpnetworkingdevops https://www.youngju.dev/blog/kubernetes/2026-06-14-ingress-tcp-udp-services Ingress로 TCP/UDP 서비스 노출하기 — L4의 한계와 해법 https://www.youngju.dev/blog/kubernetes/2026-06-14-ingress-tcp-udp-services Ingress는 본래 L7(HTTP) 추상화입니다. 그럼에도 데이터베이스, 게임 서버, DNS 같은 TCP/UDP 서비스를 노출해야 할 때 ingress-nginx ConfigMap, Traefik EntryPoint, TLS passthrough, Gateway API의 TCPRoute/UDPRoute를 어떻게 쓰는지 정리하고 전용 L4 솔루션과의 선택 기준을 제시합니다. Sun, 14 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) ingresskubernetestcpudpnetworkingdevops