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April 3-5 | San Jose, California
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Wednesday, April 3 • 5:10pm - 5:40pm
Packet Walk(s) in Kubernetes - Don Jayakody, Big Switch

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Have you ever wondered how the packets are getting forwarded inside Kubernetes with different CNI plugins? Whether it’s getting encapsulated? How are ARPs getting resolved? How the packets flow outside from your K8S cluster etc.

When it comes to networking inside Kubernetes, selecting the correct networking solution may be one of the most important decisions you may face when trying to run a Kubernetes cluster in production. Therefore it's beneficial to have a good understanding of different options out there and most importantly how these networking options are different from each other.

In this presentation, I’ll go over packet by packet level details of how the network plumbing is happening with different CNI plugins including, Flannel, Calico & Cilium. I'll cover different packet flows and try to draw different examples so that we all can understand where it's different.

Speakers
avatar for Don Jayakody

Don Jayakody

Sr. Solutions Architect, Big Switch
Don Jayakody is a Senior Solutions Architect at Big Switch Networks. His experience in the networking industry varies from access provider networks, storage area networks to network orchestration systems. He is currently focusing on various deployment methodologies in container networking... Read More →



Wednesday April 3, 2019 5:10pm - 5:40pm
230C