Cloud Computing Intermediate

What is Kubernetes Service?

An abstraction that provides a stable network endpoint for accessing a group of Pods, handling load balancing and service discovery.

Services provide a stable IP address and DNS name for a set of Pods selected by labels. Types include ClusterIP (internal only), NodePort (external via node ports), LoadBalancer (cloud load balancer), and ExternalName (DNS alias).

Services handle the problem of Pod ephemerality — Pods come and go, but the Service endpoint remains constant. kube-proxy implements load balancing across Pod replicas. Ingress controllers manage external HTTP/HTTPS access to Services.

Related Terms

Elastic Load Balancing

An AWS service that automatically distributes incoming application traffic across multiple targets like EC2 instances and containers.

IaaS (Infrastructure as a Service)

A cloud service model providing virtualized computing resources like servers, storage, and networking over the internet.

IAM (Identity and Access Management)

A framework for managing digital identities and controlling who can access which cloud resources and services.

VPC (Virtual Private Cloud)

An isolated virtual network within a cloud provider where you can launch resources with full control over IP addressing, routing, and security.

Google Cloud Platform (GCP)

Google's suite of cloud computing services running on the same infrastructure that Google uses for its consumer products.

An approach to building applications that fully exploit cloud computing advantages like scalability, resilience, and flexibility.

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