On Mon, 25 Oct 2021, 04:18 Eliot Lear, <[email protected]> wrote:

>
> On 24.10.21 17:36, Nick Hilliard wrote:
> > The issue is a good deal deeper than just debugging.  As long as
> > there's an option to specify a variable length parameter without being
> > able to specify the length in the protocol, then the protocol is
> > fundamentally ambiguous and its interpretation is entirely context
> > dependent.
>
> You mean, like a subnet mask?
>


Subnet masks weren't a good idea either. They, like classes and CIDR, are
hacks to squeeze more addresses out of the 32 bit IPv4 address space.

Have a look at the IPv4 address structure in RFC760. Couldn't be simpler.



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