FRAD

(communications)

FRAD

(Frame Relay Access Device or Frame Relay Assembler Disassembler) A communications device that formats outgoing data into the format required by a frame relay network. It strips the data back out at the other end. It is the frame relay counterpart to the X.25 PAD. See frame relay.

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Quality of Service: To converge voice and data traffic onto a single frame relay trunk, voice-capable FRADs must employ complex QoS features that rival those of asynchronous transfer mode.

Answering the call

A few years ago, many users of frame relay networks simply shopped around for the cheapest FRADs.

It's time to put all your eggs in one basket

The M-FRAD, specifically designed to support routing, legacy data and voice requirements, differs from previous FRADs in four crucial aspects:

High-gear networking

The services are based on AT&T-installed FRADs, which assemble packets from legacy SNA and bisynchronous traffic into data frames tailored for frame relay transport.

Ethernet vs. ATM coming down to the wire

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