On 2021-05-13, at 19:25, Juergen Schoenwaelder 
<[email protected]> wrote:
> 
> The description of bandwidth-ieee-float32 says:
> 
>          The units are octets per second.

The quantity you are looking for is called “bit rate” (IEC 80000:13, item 
number 13-13).
Its unit is bit/s.

A single 64-bit integer should give you both the range and the precision you 
need for all practical applications outside millibit networks (“LPWANs”).

As does an IEEE 754 binary64 float (and, probably, a binary32), which will even 
cover millibit networks.

If you prefer software floating point, you can add an exponent.
A practical base could be 1000, so an exponent of 0 is bit/s, 1 is kbit/s, 2 is 
Mbit/s, 3 is Gbit/s, 4 is Tbit/s, and so on.  -1 and -2 would be mbit/s and 
µbit/s, units maybe many of you aren’t as familiar with.

Grüße, Carsten

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