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MPLS and VPN Architectures, Volume II by Jeff Apcar, Ivan Pepelnjak, Jim Guichard

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Chapter 2. Remote Access to an MPLS VPN

The initial service offerings for Multiprotocol Label Switching (MPLS) virtual private networks (VPNs) were provided to customers through fixed connections to the provider edge (PE) router by using technologies such as leased line, Frame Relay, Asynchronous Transfer Mode (ATM) permanent virtual circuits (PVCs), or last mile Ethernet. The provision of remote or off-net access to the MPLS VPN was incumbent upon the customer having the appropriate access infrastructure in place to cater to his mobile or remote workforce. Therefore, the ability for an MPLS VPN service provider to supply MPLS VPN value-added services (which, in turn, generates more revenue) to remote users was completely dependent on the customer's ...

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