Overlay Transport Virtualization: An Introduction

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Executive Summary

Overlay transport virtualization (OTV) can address a lot of challenges presented in today's data center as far as moving components of the data center from one side to the other and making those sites layer 2 adjacent. It enables two data centers that are geographically dispersed to become layer 2 adjacent by utilizing a "layer 2 over layer 3" concept. This paper explains OTV at a high level, enabling you to have more in-depth conversations on the way it works and the way it is configured.