Re: Capability Negotiation for OCP

On Thu, 17 Apr 2003, The Purple Streak, Hilarie Orman wrote:

> PPP, IPSec and IKE use "offer, select".  The trick is to spell out
> the complete set of selections at offer time.  Don't say (A1 or A2)
> and (B1 or B2) if (A1 and B2) is not permitted - say instead
>
>       { A2 and (B1 or B2) } or { A1 and B1}
I see. The problem is solved by enumerating all possibilities _before_
negotiation begins. Kind of defeats the whole idea behind
"negotiation" -- "multiple choice" is not how I would define
negotiation. Perhaps that's the best we can do with computers though,
not sure.

Alex.