[OLSR-users] Benjamin's negative weight patch/Asymmetric routes
Tue May 30 15:44:04 CEST 2006
Hi, I just subscribed to this list. I have been experimenting with OLSR
for the last few days and I intend to start using it in production shortly.
I saw Benjamin Henrion posted a patch on March 29th for negative weights
which would theoretically enable us to create asymmetric routes on
purpose if I'm understanding him correctly.
The URL he provided doesn't work, though.
Anyway, I am interested in forcing OLSR to use asymmetric routes on
purpose to create a "full-duplex" sort of connection. Two wireless links
between two sites, each link handling the traffic in only one direction.
Of course I'd like to use OLSR and weights rather than static routes so
if one of the two wireless links goes down it will start passing traffic
in both directions over the remaining link.
I use four separate systems above for some nice redundancy. A simpler
demonstration using two systems instead of four:
Any ideas for accomplishing this?
I experimented with hysteresis/weight and LQ/LinkQualityMult, the route
always remains symmetric.
Of course when I go into production I like LQ and intend to use it
instead of hysteresis, but if a negative weight via Benjamin's patch is
the only way to accomplish asymmetric routing I would be stuck not being
able to use LQ anywhere on my network.
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