[Olsr-dev] Seeking comments: OLSR+ETX v/s DSR+ETX

Hannes Gredler (spam-protected)
Wed Dec 19 16:05:26 CET 2007

Henning Rogge wrote:
> On Dec 19, 2007 3:14 PM, Sven-Ola Tuecke <(spam-protected)> wrote:
>> 1. a unicast small packet plus a unicast large packet.
>> 2. both packets shall carry timestamps and be sequence
>>     number protected.
>> 3. based on the arrival time the receiver can calculate the
>>     air-bandwidth and
> The problem with this is the retransmission on mac layer... packets
> are resend multiple times until the transmitter gets an ack from the
> receiver.
> Why not reading the transmission speed from a radiotap header if available ?

that would certainly be desireable.

guess my main issue is the "if available" part.
i.e. there are OSes which may not make that
information available to the higher layers.


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