Those who make information retrieval their business recognize the past two decades as one long roller coaster ride that is unlikely to lurch to a stop anytime in the near future. The technology keeps improving exponentially, from what was a lightning-fast, 300bps acoustical coupler modem just 15 years ago, to the high speed digital service of today. We find ourselves braced in the shock wave of an information explosion, and the need for a basic understanding of some of the technology is imperative. Frame relay has piqued interest as being a viable, cost-effective method for telecommunications but, as with all new technology, we first have to understand it to know whether is it is valuable for use.
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