MPLS Fundamentals

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Summary

This chapter introduced you to the world of MPLS and gave you an overview of the history of MPLS in Cisco IOS. The forwarding of labeled packets has advantages over the forwarding of IP packets because it combines the benefits of label switching that are well established in Frame Relay and ATM technologies with the ease of deployment of IP networks. This new method of forwarding packets fueled the invention of successful new applications using the forwarding based on labels: MPLS VPN, traffic engineering, AToM, and VPLS.

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