Re: FidoNews 41:14 [01/06]: List Of Fidonet Ipv6 Nodes
By: Michiel van der Vlist to Rob Swindell on Mon Apr 08 2024 02:12 pm
> Hello Rob,
> On Friday April 05 2024 10:05, you wrote to me:
> >> f Has a ::f1d0:<zone>:<net>:<node> style host address.
> >> (zone, net, node in decimal notation)
> RS> I think this could be clarified better: The zone, net, and node values
> RS> of the FidoNet address are actually in *hexadecimal* notation, but
> RS> only using the hexadecimal digits 0-9, so that when viewing the IPv6
> RS> address in hexadecimal (as is the norm), it can be more easily
> RS> visually compared with the decimal representation of that equivalent
> RS> FidoNet address.
> Here we probably run into a case where more explanation will actually lead to
> more confusion. In the beginning it was considered self explanatory. Until
> some wise guy created an address with zone, net and node in actual
> hexadecimal and claimed the "f" for it. That conflicts with the idea of the
> zone, net and node number being easely identafiable by humans. So I declined
> and added the explanatory line. And now that leads to confusion. Perhaps just
> giving an example will be better. How about this:
> >> f Has a ::f1d0:<zone>:<net>:<node> style host address.
> >> Example: ::f1d0:2:280:5555
Yes, I think an example is a good idea, but clarify that the example IPv6
address represnts the FTN 3D address of 2:280/5555.
I think the actual term for this representation is "packed BCD":
https://en.wikipedia.org/wiki/Binary-coded_decimal
--
digital man (rob)
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