Chapter 16. MPLS/VPN: Scalability and Convergence Test Plan
Over the past several years, enterprise organizations have been increasingly turning to Multiprotocol Label Switching (MPLS)-based VPN solutions as the mainstay of their next-generation WAN architectures. The advantages of an MPLS-based networking fabric as a secure alternative to traditional WAN solutions such as ATM or Frame Relay are undeniable. For years, service providers have touted ubiquitous circuit access, standard pricing regardless of distance, and reduced customer design complexity as the major benefits to attract consumers to their MPLS/VPN service offerings. Enterprise consumers initially approached these offerings with caution, slowly migrating legacy Frame Relay WANs, ...
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