Self Healing Networks

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Self Healing Networks

LinkedIn’s Journey to SONiC and Beyond

Zaid Ali Kahn Head of Infrastructure Engineering LinkedIn

LinkedIn Platform

100M Job Applications every month

610 M Members across 200 countries

+ 35% y/y messages sent

13500 Online Learning courses

2 New Sign-ups per second

4M confirmed hires in last 12 months

The Old network

First step moving to Hyperscale Networks

Single “SKU” CLOS Design

• De-couple software from hardware

Network Disaggregation

• Enable multiple chipsets • Build or leverage modern Network Operating System (NOS) • Build a focused control plane

Rethinking the network stack

Leveraging a scalable NOS - SONiC

Containerized architecture

Scalable centralized Message-System infrastructure

Platform agnostic


Reducing Protocols: Management Plane

Towards a Programmable Data Center

Self-Healing Use Case