Comparative Analysis of Overlay Technologies

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  • Project Problem Description: Every service provider and company has three words for network architects looking to grow their data centers: Scalable, Simpler, Faster and Flatter whereas on the other hand applications within Data Centers are becoming more and more bandwidth hungry and complex. Layer 2 is an important requirement within Data Centers. Current Protocols like Spanning Tree and other layer 2 protocols are not sufficient to handle required amount of traffic. STP provides redundancy and prevents loops, but it uses an active/standby model to do so. As a result, STP networks offer two potential paths for any flow, only one of which can forward traffic. Spending billions of dollars on redundant devices, ports and cables does not make sense when you can’t use them. This not only increases CAPEX costs, it also significantly increases OPEX by requiring more power and cooling.

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    Attribution-NonCommercial 4.0 International