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Shanghai, China
June 24–26, 2019
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Simultaneous translation will be provided for all keynote and breakout sessions.
我们将为所有主题演讲和分组会议提供同声传译服务。

To view the Chinese version of this schedule please go here.
请点击此处查看中文版本。

Venue + Sponsor Showcase Map
场馆 + 赞助商展示区地图
Tuesday, June 25 • 16:45 - 17:20
Cloud Native Load Balancing From Scratch - Fangyuan Li, VMware

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Load balancing is required by all modern distributed systems, which can be done in many places and multiple layers. With all the options on the table, eg: gRPC, Envoy, IPVS/BPF, have you been curious of when and how any one of them will fit into your stack and scale your system as traffic grows?

Aiming to “demystify” load balancing in K8s, I’d like to share my experience utilizing these cloud-native load balancing techniques, discussing their tradeoffs and applicable scenarios.

The journey starts with a simple VIP iptable implementation. Then we dive deeper and examine from client to server, kernel to userspace, going up from IP to HTTP. We’ll draw the big picture and demonstrate the use of different tools in plain Bash scripts. With these building blocks in mind, we’ll summarize by comparing them across K8s(clusterIP/nodePort), Docker(routing mesh), Envoy, and a number of CNI plugins.

Speakers
avatar for Fangyuan Li

Fangyuan Li

Software Engineer, VMware
Peking University is my Alma Mater where I received Bachelor in Mathematics. After graduation, I went to Stony Brook University to study Computer Science.I currently work for VMware, in Cloud Native Business Unit, as one of the early members of PKS project. Our team works on the integration... Read More →



Tuesday June 25, 2019 16:45 - 17:20
610-611