[Tinyos-help] CTP parent switching

[Michiel Konstapel]

> > Now, would it be an idea to base this threshold on a percentage of
the path
> > ETX? For example, at 20%, a node with a path ETX of 2 would replace
its
> > parent by one that offers a path ETX of 1.6, whereas a node that has
a path
> > ETX of 10 would only switch if the new path has an ETX of 8 or
lower. That
> > way, it would favour optimal routes near the sink, where traffic is
highest,
> > and favour stable routes further down the tree. A cap would probably
be
> > needed on top of the percentage, so that it doesn't become
impossible to
> > switch in very large networks.
> 
> It is definitely an interesting idea. You will notice that MultihopLQI
> uses a similar approach. We haven't tried this for CTP. What did you
> observe in your experiments?

Oh, it was just an idea that came up, I haven't had a chance to try it
yet.
Michiel