The MPLS WG Archive

[Robert Raszuk <rraszuk@cisco.com>]

Grenville,

> on what basis an LSP is established
> doesn't really change how it behaves

>From operational expereince with them for a decent time I see that it
really does change how it behavies depending on how it got setup/build.
Of course in steady state both are fine and doing the same, but when
things start to melt or break that is when you see big differences.

R.

> Grenville Armitage wrote:
> 
> Robert Raszuk wrote:
>         [..]
> > I just don't know anymore
> > what one means by term "mpls tunnel".
> 
> generically an LSP is always a tunnel of sorts, since the
> IP header of the MPLS payload is thereby always hidden from
> the intermediate LSR hops.  on what basis an LSP is established
> doesn't really change how it behaves as a form of 'tunnel'
> in the data path....
> 
> gja