This episode is sponsored by Learnk8s — get started on your Kubernetes journey through comprehensive online, in-person or remote training. https://learnk8s.io/training
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In this episode, *William Morgan*, CEO of *Buoyant*, explores the complex trade-offs between cost optimization and reliability in Kubernetes networking. The discussion focuses on *Topology-aware routing* and why its implementation might not be the silver bullet for managing cross-zone traffic costs.
William shares practical insights from real-world implementations and explains why understanding these trade-offs is crucial for platform teams managing multi-zone Kubernetes clusters.
You will learn:
- How *Topology-aware routing* attempts to reduce cross-zone traffic costs but can compromise reliability by limiting inter-zone communication
- Why *Layer 7 load balancing* offers better traffic management through protocol awareness compared to topology-aware routing's Layer 4 approach
- How *HAZL (High Availability Zonal Load Balancing)* provides a more nuanced solution by balancing cost savings with reliability guarantees through intelligent traffic routing
Find all the links and info for this episode here: https://ku.bz/CBwn51pl-
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Interested in sponsoring a KubeFM episode? https://kube.fm/sponsorships
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CHAPTERS
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00:00 Introduction
01:00 Sponsor
01:25 Emerging tools in the Kubernetes ecosystem
02:28 Advice for open source CEOs
04:17 Understanding topology-aware routing and cost implications
11:29 Managing failures and dependencies in topology-aware routing
22:11 Load balancing approaches and networking challenges
25:17 Developer vs operator perspectives in Kubernetes
31:15 Future of topology-aware routing
33:33 Personal insights and AI in Kubernetes
39:11 Common networking mistakes and future developments
42:00 What's next for William and Linkerd
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