The question I have is what do mean by 'break' the connection? We have turned off a node and it took about 20 seconds to re-route. We can try the 'plink_action block' next and see how long it takes to re-route.
Y- On Mon, Apr 23, 2012 at 10:58 AM, Javier Cardona <[email protected]> wrote: > Hi David, > > On Mon, Apr 23, 2012 at 9:37 AM, David Fulgham > <[email protected]> wrote: > > We've been playing with the idea of a mobile 802.11s mesh for a while, > > since we have a mesh through out an entire community we would like to > > be able to use it for voice, etc. The problem is that when a node > > moves through the network it leaves remnant of itself throughout the > > network. I.e. nodes will attempt to use the mobile node if it > > happened to result in the best path to a given destination at some > > point in time. We found that the timeouts for path eliminations even > > when we reduced the timeouts were not responding to the changes fast > > enough. > > Establishing a peer link is costlier than establishing a path through > the mesh (specially if security is used). For that reason, peer links > stay around longer, while paths change more rapidly in response to > topology changes. So the fact that you see peer links long after a > particular peer has moved away is not necessarily a problem. > > To test mobility, I would recommend using the simulated device driver > mac80211_hwsim. With it you can make and break topologies in real > time and see how the 802.11s protocol responds. > For instance, one of our regression tests is as follows: > > 1. Establish a topology like: > > # 1 - 2... n-2 - n-1 > # \------n------/ > > 2. Ping from 1 to n-1, confirm that traffic flows through n > 3. Disconnect n from the network > 4. Measure how long until traffic is re-routed through 2-..-n-2 > > With n=5 we observe a path recovery in less than 0.7 sec. > > Cheers, > > Javier > > > > > > On Mon, Apr 23, 2012 at 12:29 PM, Yile Ku <[email protected]> wrote: > >> I am looking for someone who can answer questions related to: > >> 802.11s mobility. Nodes moving relative to one another, how fast routes > >> across the mesh converge > >> Power control, how to get the maximum amount of power from the cards we > are > >> using (Mikrotek) > >> Parameter configuration for mesh networks. > >> > >> Thx, > >> Y- > >> > >> > >> On Mon, Apr 23, 2012 at 9:45 AM, David Fulgham < > [email protected]> > >> wrote: > >>> > >>> We've been deploying 802.11s in a "wide area" network covering roughly > >>> 3-4km.sq. and would be available to consult if required. > >>> > >>> David Fulgham > >>> Mnemonics.ca > >>> www.mnemonics.ca > >>> > >>> On Mon, Apr 23, 2012 at 11:00 AM, Yile Ku <[email protected]> > wrote: > >>> > Anyone besides Cozybit do consulting for 802.11s? I am interested > in a > >>> > guru > >>> > since we need some questions answered quickly and thoroughly. > >>> > Y- > >>> > > >>> > _______________________________________________ > >>> > Devel mailing list > >>> > [email protected] > >>> > http://lists.open80211s.org/cgi-bin/mailman/listinfo/devel > >>> > > >>> _______________________________________________ > >>> Devel mailing list > >>> [email protected] > >>> http://lists.open80211s.org/cgi-bin/mailman/listinfo/devel > >> > >> > >> > >> _______________________________________________ > >> Devel mailing list > >> [email protected] > >> http://lists.open80211s.org/cgi-bin/mailman/listinfo/devel > >> > > _______________________________________________ > > Devel mailing list > > [email protected] > > http://lists.open80211s.org/cgi-bin/mailman/listinfo/devel > > > > -- > Javier Cardona > cozybit Inc. > http://www.cozybit.com > _______________________________________________ > Devel mailing list > [email protected] > http://lists.open80211s.org/cgi-bin/mailman/listinfo/devel >
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