International Private Lease Circuit

An International Private Leased Circuit (IPLC) functions as a point-to-point private line. IPLCs are usually Time-division multiplexing (TDM) circuits that utilize the same circuit amongst many customers. The nature of TDM requires the use of a CSU/DSU and a router. Usually the router will include the CSU/DSU.

Then came the Internet (in the mid-1990s) and since the most common application for leased line is to connect a customer to its ISP Point of presence. With the changes that Internet brought in the networking world other technologies were developed to propose alternative to Frame-relay or ATM networks such as VPN's (hardware and software) and MPLS networks (that are in effect an upgrade to TCP/IP of existing ATM/Frame-relay infrastructures).

December 26, 2011

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