Re: [manet] NHDP: Link quality based on seq-num

[Ulrich Herberg <ulrich at herberg.name>]

On Mon, Nov 9, 2009 at 11:51 PM, Dearlove, Christopher (UK)
<Chris.Dearlove at baesystems.com> wrote:
>> I think what Teco means is that
>> if NHDP runs on a reliable transport, a very bad link (that needs many
>> retransmissions of HELLOs) still would appear as perfect link to NDHP,
>> because no packetbb packet is lost. So, of course the transport
>> protocol is transparent to NHDP, but using packet seq. no. as measure
>> of number of lost packets would not make sense any more.
>
> If you have such a reliable transport layer (except I don't
> believe in it because it's not unicast, but ignore that for
> now)

I think this was more a theoretical assumption...

> then I would want the retransmission rates from that
> transport layer as a supplement or replacement to packet
> sequence number. It's not alone in that - I'd like all the
> information I can get.

Yes, true. But this would require some cross-layer information. I
agree that in that case, it would be necessary to get some information
from the transport protocol.

Ulrich