> >> Well A-D is going to have a much smaller RTT than A-B-C-D. And, yes, > >> using multiple hops is going to reduce throughput but I'd much rather > >> use multiple > >> 120 Mbps links than a link that only supports 12 Mbps. > >> > > > > Airtime link metrics should choose the multiple links if it is good > > compared to direct link. > > > >> That's why there are link and path metrics. > > > > I don't think that you don't get this. Every nodes sends out multiple > > PREQs. > > Other nodes received it with rebroadcast again. Take note on this. > > > >> Improving the link metric isn't going to help with PREQ reliability > >> problems. > > > > PREQ realiabilit? It is broadcast management frame and usually using > > lowest transmission rate. So it is realiabe.
They are only reliable when compared to individual rate controlled frames. But, in general, they are most certainly not reliable. Even in a shielded and conductive (i.e. with physical wires connecting antennas) environment lost PREQ frames are not hard to see. -- Jesse
