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<body class='hmmessage'><div dir='ltr'>Hi ,<div> I just wanted to know that in the previous mails you told me to manually turn off ett which basically takes me into the ETX . But after i ran it in the daemon is there anyway to reconfirm that which metric is really running . </div><div><br></div><div>Thanks </div><div><br></div><div>Salman<br><br><div>> From: hrogge@gmail.com<br>> Date: Wed, 19 Mar 2014 12:01:56 +0100<br>> Subject: Re: [Olsr-dev] Which metric is currently running on OLSRd2<br>> To: salmanhaider5@hotmail.com<br>> CC: olsr-dev@lists.olsr.org<br>> <br>> Hi,<br>> <br>> Olsrd2 runs an airtime metric as the default implementation, one that<br>> we are in the process of standardizing:<br>> <br>> https://tools.ietf.org/html/draft-rogge-baccelli-olsrv2-ett-metric-04<br>> <br>> It use a directional measurement of packet loss and link speed from<br>> the linux wifi kernel to calculate.<br>> <br>> There is also a variant that use a bi-directional packet loss<br>> measurement as described in the original ETT papers.<br>> <br>> There is no ETX implementation for OLSRd2, but of course if your<br>> kernel cannot supply the link speed, the airtime metric degrades into<br>> a packet loss metric.<br>> <br>> Henning Rogge<br>> <br>> On Wed, Mar 19, 2014 at 11:22 AM, Syed Salman Haider Rizvi<br>> <salmanhaider5@hotmail.com> wrote:<br>> > Hi All ,<br>> ><br>> > Just let u guys know the scenario . I m running 14 hops testbed for<br>> > performance evaluation of (ETT vs ETX vs HC) on olsrd2 . Last time i tried<br>> > both ett and etx on my testbed but my route was not changing and even<br>> > getting the same throughput on both ETT and ETX . So is there anyways to see<br>> > which metric is currently on and for HC i will surely use olsrd1 but i think<br>> > there will be a lot difference in the throughput maybe the size of olsrd1<br>> > and olsrd2 packets are different ?<br>> ><br>> > Salman<br>> ><br>> > --<br>> > Olsr-dev mailing list<br>> > Olsr-dev@lists.olsr.org<br>> > https://lists.olsr.org/mailman/listinfo/olsr-dev<br></div></div> </div></body>
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