[openbeosnetteam] Re: PPP up/opened

> > > My problem was that PPP can be in the started phase while the
> > > interface is
> > > still down. This has no use. Why doesn't an up request start the
> > > interface
> > > so that they can be combined into the same request?
> > > Why did they split that system into down&initial and down&
> > > started?
> > > Maybe I
> > > will find out when I read everything two or three times?
> >
> > It did have a use once. The idea was that the physical link could 
> > die
> > when there was no network traffic, thereby saving on phone line 
> > usage,
> > without requiring re-negotiation of the link when it came back. The
> > idea was to make it be able to go up and down transparently, as the
> > situation demanded.
> 
> Doesn't that imply that your ISP saves the state of each of his 
> millions of
> users? How does your ISP know that you are down but not in the 
> initial
> state? This is only possible if you implement this as an extra 
> control
> protocol feature, isn't it?

In a word: yes. But the protocol *can* support it, hence all the 
complication.
-Nathan

--
Fortune Cookie Says:

Love your enemies: they'll go crazy trying to figure out what you're up
to.

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