A combination of dial-up networking and Virtual Private Networking allows IS managers to satisfy the increased demand for remote access services while reducing costs. Dial-up networking provides the optimal local access solution; VPN provides the best solution for long distance. VPN also allows network administrators to take advantage of new access technologies such as Cable and DSL. Furthermore, the combined VPN and dial-up solution is more robust than either is alone, each serving as a back-up for the other in the case of over-flow traffic or network failure.
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