3 Aug
2007
3 Aug
'07
9:09 a.m.
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Zitat von Marek Lindner <lindner_marek(a)yahoo.de>de>:
Hi,
this question was a bit forgotten. :-)
this sounds good, but you should keep in mind that such a "good"
internet connection that was choosen being the best, has only a short
disconnection. I this case each batmand of each client should retest
the connection after a timeout of few minutes. I think this could be
disturbing an established connection because the batmand has to change
the tunnel to the new gateway.
For this I beleave that it is better to have a separated process
checking its own internet connection (if provided and setup by node
config). this process then tells batmand about the connection. batmand
will deside on some criteries if this connection is stable an worth to
be populated through the net.
I have implemented in our firmware a test (like leipzig) that only
pings some addresses.
cheers
Stephan
how does batmand detect whether the internet
connection is really connected
to the internet or not. Or does batmand just relays on the -g parameter.
Until now we let run a cron job that checks for the real working
gateway. Because we can not relay on the presence of the default
route. User may use a different
router to connect to the internet and just add the default route this
private router.
The problem is that the node offering a internet connection (-g)
should also be able to access other internet connection if its local
connection is brocken.
First of all, "-g" is just flooded through the network. We also want
some kind
of "dyngw"-plugin but with a better approach: By using tunnels to the gateway
batman is in a far better situation than OLSR. The "is internet really
available" check can be done on the client side and is therefore much more
reliable. With batman 0.3 all the packet flow towards and from the internet
is going through batman. Batman just has to check whether traffic is coming
back through the tunnel after sending packets to the internet. If this is not
the case the batman node offering the internet is blacklisted and another
gateway is chosen.
This has not been implemented yet but all the neccessary basics for that
feature are completed by now. Expect this feature to come in the following
weeks.
Regards,
Marek
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