Definition

edge device

An edge device is a physical device that can pass packets between a legacy network (like an Ethernet network) and an ATM network, using Data Link layer and Network layer information. An edge device does not have responsibility for gathering network routing information. It simply uses the routing information it finds in the network layer using the route distribution protocol. An edge router is an example of an edge device.

Related glossary terms: virtual area network (VAN), 10-high-day busy period (10HD busy period), graceful degradation, online, softswitch, maximum transmission unit (MTU), traffic shaping (packet shaping), Dialed Number Identification Service (DNIS), WATS (wide-area telephone service), mail user agent (MUA)

This was last updated in April 2007

Posted by: Margaret Rouse

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