Re: [Roll] ETX metric
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Roll] ETX metric



Philip Levis a écrit :

On Oct 15, 2009, at 12:27 PM, Alexandru Petrescu wrote:

Philip Levis a écrit :
I think we should keep in mind that RPL must work across multiple link layers. E.g.:
A -- 900MHz --> B -- 2.4GHz --> C
ETX is a commonly used metric,

Philip, what do you mean by "ETX commonly used metric"?

Could you please explain, in implementation terms.

Could you list some widely available software in solid software distributions, widely deployed, and using this ETX metric?


MIT Roofnet/srcr: http://pdos.csail.mit.edu/roofnet/software.php
CTP: http://tinyos.cvs.sourceforge.net/viewvc/tinyos/tinyos-2.x/tos/lib/net/ctp/
OLSR: http://www.olsr.org/docs/README-Link-Quality.html

Ah the World Wide Web, h t t p something, wikipedia and google and we know everything...

The software being on a website doesn't tell anything about how much it is used.

How about software which is not on h t t p something yet it runs ok.

Alex


Note: Messages sent to this list are the opinions of the senders and do not imply endorsement by the IETF.