Konrad Kowalski (rootsher)Principal Platform & Reliability Architect000010110100101000000010000100001011001110111001

Load Balancing

posts (9)

  1. The OSI Model in the Cluster and the Cloud: Who Sees What When You Open a Page

    L3, L4 and L7 are shorthand for how deeply a piece of infrastructure looks into traffic. One request, from clicking "Pay" to the payments pod, layer by layer.

  2. Kubernetes from the Inside: Cluster Architecture Basics4/7

    Networking in Kubernetes

    CNI gives Pods their addresses and connectivity, while kube-proxy or an eBPF datapath makes traffic sent to a Service's virtual address reach the right…

  3. Introduction to Service Mesh: Why Istio and Linkerd Exist

    Service mesh appeared because, in a microservice system, traffic, identity, and observability problems started repeating in every service.

  4. Realtime in the Browser: From Polling to WebTransport5/7

    WebSockets: A Persistent Bidirectional Communication Channel

    After the handshake there are no requests and responses left, only frames. A persistent connection is state, and it reaches the load balancer, the deploy and…

  5. Gateway API Without the Magic4/4

    Migrating from ingress-nginx to Gateway API

    Migrating from ingress-nginx is not mechanical YAML translation. First, separate the application contract from controller-specific behavior.

  6. Gateway API Without the Magic3/4

    GatewayClass: A Contract With the Implementation

    GatewayClass is not an environment label. It is where Kubernetes Gateway API meets a specific controller.

  7. Gateway API Without the Magic2/4

    Gateway Does Not Always Mean the Same Thing

    The word gateway mixes a product, a network role, and a Kubernetes API. Without that split, it is easy to compare things from different layers.

  8. Gateway API Without the Magic1/4

    From Service to Gateway API: Where the Problem Came From

    Ingress did not fail because it was bad. It failed because its small specification had no language for production HTTP behavior.

  9. series · 4 parts

    Gateway API Without the Magic

    A short entry point to a series about where Gateway API came from, how it differs from Ingress, and how to approach an ingress-nginx migration.