Overview

Dial Control Center (DCC) is a routing technology used when routers interconnect through a public switched network, such as a PSTN or an ISDN. It can provide the dial-on-demand service where any two routers dial to set up a connection when data needs transferring instead of setting up a connection before that. When the link becomes idle, DCC automatically disconnects it.

Under certain circumstances, connections between routers are instantly established whenever there is data to be transferred, so data transfer is time-independent, bursty, and small sized. DCC is a flexible, economical, and efficient solution for such applications. In DCC, backup mechanisms are available to guarantee communications. In case a primary line fails, DCC switches traffic over to a secondary line to ensure ongoing services.