Tag: #networking
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 77 posts
77 posts are tagged #networking; the most recent was published on 2026-08-15.
Often tagged together: #kubernetes 32 #devops 23 #ingress 23 #ebpf 12 #cilium 11
Most read in the last 90 days:
Not Building a Network When You Need One — How Reciprocal Relationships Actually Form
Opening your contacts after losing a job is usually the wrong order. Not because people are cold, but because the structure of a request gets heavy when the first message in years is a favor. This post explains why relat
2026-08-15 · 5 min read #career#networking#community#relationships#job-searchHow a Domain Says It Is For Sale — When DNS Became a Channel for Claims
A domain can be registered, serving a perfectly healthy site, and still be for sale — and until now a machine had no way to find that out. RFC 10023 defines that signal with a single underscore-prefixed node name and a T
2026-08-09 · 7 min read #dns#rfc#networking#domain#protocolDocker Network Modes and Connection Problems — bridge, host, overlay, and the 127.0.0.1 Trap
Unpacks the situation where the container is up but nothing can connect, mode by mode. It covers why containers cannot find each other by name on the default bridge and how the embedded DNS on a user-defined network chan
2026-07-26 · 13 min read #docker#docker-network#iptables#networking#devopsWhat Happens When You Type a URL and Hit Enter: A Full-Stack Tour from Browser to Pixel
How much really happens in the one second between typing a URL and seeing a page? URL parsing, DNS resolution with recursive queries and caches, the TCP three-way handshake, the TLS handshake, the HTTP request and respon
2026-07-02 · 11 min read #networking#web#fundamentalsKubernetes Architecture Visualized — From the Control Plane to the Pod
We unpack the Kubernetes architecture with ASCII diagrams, from control-plane and node components to objects and controller loops, scheduling flow, networking, and storage. Request handling and the pod-creation sequence
2026-06-27 · 11 min read #kubernetes#architecture#control-plane#scheduling#networkingThe HTTP QUERY Method — A New Verb for an Old REST Dilemma
GET cannot carry a request body and POST is semantically wrong for search. This article explores the HTTP QUERY method that resolves this long-standing dilemma, covering its motivation, semantics, and practical adoption.
2026-06-25 · 14 min read #http#query-method#rest#api-design#rfcTraefik vs ingress-nginx — What to Choose and When ♪ Listenable
A deep comparison of the two leading Kubernetes ingress controllers, Traefik and ingress-nginx, across design philosophy, configuration style, automatic TLS, performance, observability, and ecosystem. It reflects the 202
2026-06-14 · 20 min read #traefik#ingress-nginx#kubernetes#networking#devopsMigrating Between Ingress Controllers — A Zero-Downtime Strategy
When replacing an Ingress Controller due to ingress-nginx maintenance issues and more, this guide covers building an inventory, mapping annotations, coexisting via IngressClass separation, weighted DNS cutover, and stage
2026-06-14 · 9 min read #ingress#kubernetes#nginx#networking#devopsIngressClass Deep Dive — Running Multiple Ingress Controllers in One Cluster
Starts from the IngressClass resource and the default-class concept, then covers multi-controller scenarios like internal/external, per-team, and migration. Explains the difference between the annotation and spec.ingress
2026-06-14 · 8 min read #ingress#ingressclass#kubernetes#networking#devopsIngress Troubleshooting Playbook — From 502/504/404 to TLS
A practical playbook organizing the common Ingress symptoms (404, 502, 503, 504, TLS errors, redirect loops, 413) into symptom-based diagnostic trees. Each symptom comes with kubectl/curl/log inspection commands and fixe
2026-06-14 · 11 min read #ingress#kubernetes#nginx#troubleshooting#networkingIngress Rate Limiting and DDoS Mitigation: A Practical Guide from ingress-nginx to Gateway API
A practical guide to configuring rate limiting at the Kubernetes Ingress layer and mitigating DDoS. It covers ingress-nginx annotations, a Traefik/Kong/APISIX comparison, the distributed counting problem, separating L3/L
2026-06-14 · 18 min read #ingress#rate-limiting#ddos#networking#kubernetesUnderstanding Ingress Controllers Completely — From the Ingress Resource to How Controllers Actually Work
Clearly separates the Ingress API from the Ingress Controller, then walks through the control loop from API watch to config generation and reload with an ASCII diagram. Covers the Ingress resource spec, IngressClass, TLS
2026-06-14 · 13 min read #ingress#kubernetes#nginx#networking#devopsTraefik Advanced — Middleware Design, TLS Options, Multi-Provider
A production-focused deep dive into Traefik middleware chains, forwardAuth-based SSO, TLSOption and mTLS, weighted routing and mirroring, multi-provider composition, and Yaegi plugins. We also cover canary deployments, o
2026-06-14 · 15 min read #traefik#middleware#tls#kubernetes#networkingKong Ingress Controller Guide — API Gateway-Style Ingress Through Its Plugin Ecosystem ♪ Listenable
A deep dive into Kong Ingress Controller (KIC) from an API Gateway perspective. We cover the architecture of Kong Gateway and KIC, DB-less versus DB mode, CRDs such as KongPlugin, KongIngress, and KongConsumer, the core
2026-06-14 · 20 min read #kong#ingress#kubernetes#api-gateway#networkingFrom Ingress to Gateway API — Why, What, and How It Changes
Starts from the limits of Ingress (annotation hell, no role separation), then lays out the Gateway API resource model in a mapping table. Covers the ingress2gateway migration tool, per-controller support status, a gradua
2026-06-14 · 8 min read #ingress#gateway-api#kubernetes#networking#migrationExposing TCP/UDP Services with Ingress — The Limits of L4 and How to Work Around Them
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 passthro
2026-06-14 · 8 min read #ingress#kubernetes#tcp#udp#networkingAdvanced Ingress Protocols — gRPC, WebSocket, HTTP/2, HTTP/3
A practical guide to handling gRPC, WebSocket, HTTP/2, and HTTP/3 (QUIC) in Kubernetes Ingress. Covers per-controller support, annotations, TLS ALPN, troubleshooting, and the migration path toward the Gateway API, with h
2026-06-14 · 10 min read #ingress#kubernetes#grpc#websocket#http2Ingress Controller High Availability and Scaling
An operations guide to running an Ingress controller with zero downtime: HA topologies (DaemonSet vs Deployment+HPA), HA per exposure method, graceful drain and zero-downtime deploys, minimizing reload impact, leader ele
2026-06-14 · 11 min read #ingress#kubernetes#nginx#high-availability#networking2026 Ingress Controller Comparison — Benchmarking 8 Options and a Selection Guide
A comprehensive comparison of ingress-nginx, Traefik, HAProxy, Contour, Envoy Gateway, Kong, APISIX, and Emissary across configuration model, performance, observability, Gateway API support, and licensing. Includes selec
2026-06-14 · 13 min read #ingress#kubernetes#nginx#networking#devopsHAProxy Ingress Controller — A Battle-Tested Load Balancer Enters Kubernetes ♪ Listenable
A deep dive into how HAProxy, a load balancer proven over more than two decades, enters Kubernetes as an ingress controller. We cover the difference between the official haproxytech project and the community jcmoraisjr p
2026-06-14 · 20 min read #haproxy#ingress#kubernetes#load-balancing#networking