Core Router

What Does Core Router Mean?

A core router is a computer communication system device and a network’s backbone, i.e. the device linking all network devices. It provides multiple fast data communication interfaces. The word "core" refers to a network’s overall physical structure.

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Techopedia Explains Core Router

By the 1980s, Cisco was the largest core router vendor. In early 2001, Internet services quickly expanded, but providers were unable to offer new solutions because of the high cost of network infrastructure and devices. Core routers were purchased at high costs by some companies; other companies simply left the information technology (IT) market. Eventually, Cisco offered core routers in bulk at reduced costs.

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Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.