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September 28-30, 2020
Virtual
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Monday, September 28 • 3:30pm - 4:00pm
Load Balancing 101 in Kubernetes - Christopher Luciano & Srinivas Brahmaroutu, IBM

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Load balancing is a widely used term to describe distributing network traffic across multiple endpoints. However, it behaves differently in different contexts. This talk will reveal the essence of various kinds of load balancing mechanisms in Kubernetes, and demonstrate how to implement a customized L4 Ingress controller.

Here is an agenda:

• Service level load balancing
• What does externalTrafficPolicy mean? Is it topology aware?
• What is the difference of IPTables mode and IPVS mode? And how efficiency differs underneath?
• L7 Ingress load balancing
• How current L7 (http/https) workloads are distributed?
• How is the API Ingress relates with underlying Service endpoints? And how a nginx/envoy ingress controller plays in it?
• L4 Ingress load balancing
• What is a Kubernetes LoadBalancer and how it relates to IaaS NLB?
• How can I build a customized extension to ensure LoadBalancer shared like a L4 Ingress?

Speakers
avatar for Christopher Luciano

Christopher Luciano

Advisory Software Engineer, IBM
Christopher M Luciano is an advisory software developer for IBM’s Digital Business Group, where he works on Kubernetes, Istio, and Envoy. Previously, Christopher was the lead on the Watson container runtime squad. He is a frequent speaker about Istio and Kubernetes and has recently... Read More →
avatar for Srinivas Brahmaroutu

Srinivas Brahmaroutu

Sr. Software Engineer, IBM
Srinivas Brahmaroutu works as a Software Engineer at IBM Corp. He has many years of experience around IBM cloud offerings. He has worked on many strategic open source projects including Cloud Foundry, Docker and Mesos. Currently he works on Kubernetes contributing to test-infra and... Read More →



Monday September 28, 2020 3:30pm - 4:00pm EDT
Cloud Networking & Edge Theater
  Cloud Networking & Edge
  • Session Slides Included Yes