Re: [manet] Encoding an IPv6 Mobile Network Prefix with PacketBB

[Alexandru Petrescu <alexandru.petrescu at gmail.com>]

Dearlove, Christopher (UK) wrote:
> > I hope someone can comment on this packet format: ok or not ok, how
> >  should I encode it better?
>
> Again, without studying it, what I would recommend is to take the 
> regexp that is the formal definition, and break what you have down to
>  match the elements in the regexp.

That's what I did.

('regexp' means different things to different people: "?" has different
 meanings in gnu regexp vs dragon book - which one did you use?
 Besides, I'm not used to reading messages specified with grammar
 syntaxes, but I could try to understand the Augmented Backus-Naur Form
 RFC4234 which incidentally doesn't use '?' at all.)

> As a starting exercise, take the example packet in Appendix B and do 
> that to that. (You should actually be able to do it without reading 
> the text before the example.) Hopefully you'll find it can be so 
> decomposed.

I've tried that too.  But it uses IPv4 addresses; and head-mid parts.
DYMO example too uses IPv4 addresses.  My example only needs to encode
one address so it doesn't use head-mid-tail parts.

The example in Appendix B is very useful when one needs IPv4 encoding
and sending two or more addresses.

Alex


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