September 23-25 | Antwerp Belgium
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Monday, September 23 • 15:30 - 16:00
How Open Networking can Manage Large-Scale VPCs on Top of Clos Network Architecture - Honghui Xiao & Honghao Wang, ByteDance

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Modern Data Centers are based on Clos Network Architecture, which is extremely simple yet unfriendly to applications. It is common to build Software Defined Data Centers on top of it and use VPCs to host applications. However, when building a distributed system that need to support Internet services with hundreds of millions of Daily Active Users, a VPC has to be large-scale. This imposes big challenges on the backend SDN system, which need to copy massive control-plane data among hosts , keep it consistent and program it into data-plane rapidly.

In this proposal, we will introduce our practice of building large-scale VPCs that each can host tens of thousands of VMs in Bytedance’s production environment. We will share our architecture which is based on Open Networking, such as Open vSwitch, OpenFlow, and EVPN. Also, we will explore the problems encountered and how they were solved.

avatar for Honghui Xiao

Honghui Xiao

Network Architect, ByteDance
Honghui Xiao is a CCIE(Cisco Certified Internetwork Expert) and has more than 8 year’s experience at Cloud Computing and Networking. He is working as a senior architect in ByteDance, which has more than 600 millions active users and hundreds of thousands of servers over the world... Read More →

Honghao Wang

Software Engineer, Bytedance
Honghao Wang is working for ByteDance, and is responsible for the control plane of SDN and elastic compute.

Monday September 23, 2019 15:30 - 16:00 CEST
Gorilla 3 (Floor 1)
  Enterprise IT