We use powers of 2 (i.e, Option A).
However, that's just because I said so :)
Most of our customers are either tech-savvy enough to appreciate the
accurate conversion, or not tech-savvy enough to care. I think this
would hold in a majority of situations.
--
-Michael Fincham
Bearing in mind most switches/routers output traffic stats in Bytes and most bills go to customers in GigaBytes, which of the following options are being used by each of us to convert between the two when creating the bill?
A, divide by 1024 * 1024 * 1024; B, divide by 1024 * 1024 * 1000; C, divide by 1024 * 1000 * 1000; D, divide by 1000 * 1000 * 1000.
Option A gives what anyone associated with computers would expect. Whilst the later options give a larger GB figure (- that can appear on the bill and be charged more). What is in use out there by ISPs?
According to Wikipedia (http://en.wikipedia.org/wiki/Gigabyte):
"The usage of the word "gigabyte" is ambiguous, depending on the context. When referring to RAM sizes and file sizes, it traditionally has a binary definition, of 1024³ bytes (typically assimilated or approximated to 1000³, for convenience). For every other use, it means exactly 1000³ bytes. In order to address this confusion, currently all relevant standards bodies promote the use of the term "gibibyte" for the binary definition."
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