Secure, reliable corporate data networks were simpler when all you had to worry about was a last-mile failure and analog dial modems could fix the problem. Now layered applications, Internet traffic, and Multi Protocol Label Switched (MPLS) networks have changed all that.
Enterprises with regulatory pressures for true business continuity, and those that require mandated uptime over a network of T1s to 500 locations, need to develop a comprehensive backup plan.
This paper compares the value and capabilities of carrier options, IPSec tunneling, and dual MPLS network backup regimes in terms of security, QoS, last mile, full failure, and cost.
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