EIGRP does use poison reverse, and that's more evidence of its 
distance-vector behavior.

I think I have been excluded again. I wish the proctor would let me back 
in! :-()

Priscilla

At 12:15 AM 5/14/02, Michael L. Williams wrote:
>I agree with Kent.....  Although the link you (Rick) provided uses the word
>"link-state", it uses it once in the opening and once in the summary...
>That's it!  The fact is that one needs to analyze the protocol to see it's
>behavior... it may well have traits of this or that type of protocol but not
>be either one.....  I mean, really the categories of Distance-Vector and
>Link-State are just descriptions, not hard boundaries.....
>
>Priscilla has made a convincing argument that EIGRP acts mostly as a
>Distance-Vector protocol.....  Although it has advanced features that may
>resemble those of a link-state protocol, that doesn't make it link-state.
>As she mentioned, Link-State means something very specific to mathematicians
>(where all of these magic algorithms come from... *not* network people)...
>Link-state machinesBut, again, as Kent says, if you disagree then lay out
>your arguments for people to read and decide...
>
>It's interesting to note that Distance-Vector protocols, because of their
>operation, require various things to help them prevent routing loops, like
>poison reverse and split-horizon.  EIGRP uses split-horizon, but not poison
>reverse.  Does that make it distance-vector?  Not necessarily..... But it
>doesn't mean it's not either =)   (I love riding the fence.. hehe)
>
>Check out the following link, and compare what it says to EIGRP and see what
>you think.....
>
>http://www.cs.bris.ac.uk/Teaching/Resources/COMS22100/AC/slides/lec8P.pdf
>
>Mike W.
>
>"Kent Yu"  wrote in message
>[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Rick,
> >
> > I think the bottom line is no matter who says what, we want to take a
look
> > where he/she is coming from. If after reading  Priscilla's post closely
>and
> > comparing OSPF/IS-IS to RIP/EIGRP/IGRP, you still disagree with Priscilla
>on
> > this,
> > please let us your arguments.
> >
> > Thanks
> > Kent
________________________

Priscilla Oppenheimer
http://www.priscilla.com




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