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Working on the Engines While the Plane is Flying

Topic: Data Center Operations

Operators of large scale networks will, from time to time, be required to perform major upgrades to the network while keeping the network available with no downtime. This type of work has been compared to working on the engines of an airliner while it is flying. At eBay, our Site Network Engineering team recently completed a migration of our data center aggregation layer from one platform to another under these conditions. By sharing our experience, we hope to help our peers in the industry plan for and successfully execute their own network transformations.

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