PodCTL - Enterprise Kubernetes
Red Hat Kubernetes weekly technology podcast hosted by Brian Gracely (@bgracely) along with friends from the Kubernetes community. Focused on Containers | Kubernetes | Red Hat OpenShift | Cloud Native Applications | Microservices | PaaS | CaaS | DevOps.
PodCTL - Enterprise Kubernetes
Unclogging some Kubernetes Plumbing Issues
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Brian Gracely & Tyler Britten
Show: 9
Show Overview: Brian and Tyler talk about Kubernetes Networking and Kubernetes Storage.
Show Notes:
Topic 1 - Let’s talk about the challenges of networking with containers and some of the ways that Kubernetes addresses these challenges.
- There’s lots of different ways to network containers together. Kubernetes does some basic networking (by default), and then there are add-on options for more complex, secure scenarios.
- The role of DNS in Kubernetes networking (services, etc.)
- Kubernetes network plugins (CNI: container network interface)
- Ingress and Egress Routes, Services, Load Balancing
- Network Policy (fine-grained traffic control)
Topic 2 - Let’s talk about the challenges of storage with containers and some of the ways that Kubernetes addresses these challenges.
- There’s definitely a misperception that containers should only be used for stateless applications.
- Containers are (primarily) Linux, and Linux has well known concepts about how to interact with persistent storage.
- Containers need a way to interact with persistent storage in a model where it can be dynamically allocated.
- Kubernetes storage plugin proposal (CSI: container storage interface)
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