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Interconnecting Data Centers Using VPLS (Ensure Business Continuance on Virtualized Networks by Implementing Layer 2 Connectivity Across Layer 3) by Patrice Bellagamba, Nash Darukhanawalla - CCIE No. 10332

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Chapter 1. Data Center Layer 2 Interconnect

Many enterprises are making fundamental changes to their business processes by using advanced IT applications to achieve enhanced productivity and operational efficiencies. As a result, the underlying network architecture to support these applications is evolving to better accommodate this new model.

As data availability becomes a critical requirement, many businesses are devoting more resources to ensure continuous operation. Enterprises are provisioning dedicated networks to guarantee performance metrics for applications without compromising security.

Although maintaining uninterruptible access to all data center applications is desirable, the economics of business-continuance require network operators ...

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