[Olsr-users] QoS over OLSR

[Henning Rogge]

Am Wed September 16 2009 15:16:02 schrieb Owain Davies:
> Is there a QoS module for OLSRd?
>
> I am looking to implement a OLSR network with:
> 	-	Multicast
Real multicast is difficult to find.

> 	-	QoS
QoS on WLAN is hard... QoS on MANETs is REALLY hard.

> 	-	Security (not encryption)
Do you mean internal or external security ? Do you just want to keep other 
people from accessing your net or do you want to keep people INSIDE your net 
behaving well ?

> I see that OLSRd has a security module
It covers basic authentification with a shared group-key HMAC. So it's only 
external security. If you test it I would like to hear a comment how well this 
thing scales up in the network.

> and a multicast module.
We have two "netwide flooding" implementations of multicast (no real multicast 
group support).

BMF is a "dense multicast" implementation that floods signals through all 
nodes.

OBAMP (only in the development tree) is a "sparse multicast" implementation 
that builds up a distribution tree between the multicast plugins.

> I would
> have complete control of the whole mesh implementation, and
> interoperability with RFC OLSR is a "nice to have" but not a hard
> requirement.
>
> I may be looking to implement QoS using a OLSRd module and I am trying
> to find out if anybody has done this before or could provide a starting
> point. (To the developers) does that sound feasible?
Depends on what do you have in mind with QoS...

> I have seen other OLSR implementation have tried QoS. I also accept that
> QoS, Multicast and Security in the same setting is a big ask.
Yes, it is ! :) But we are all interested in it...

Henning Rogge

-- 
Diplom-Informatiker Henning Rogge , Fraunhofer-Institut für
Kommunikation, Informationsverarbeitung und Ergonomie FKIE
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