[AusNOG] NBN - GPON encryption

[John Lindsay]

And all directional splitters have some back propagation.

With the right equipment you can read that.

So your upstream could be monitored by someone nearby.

Cheers,

jsl

> On 10 Jun 2015, at 10:23 pm, Aftab Siddiqui <aftab.siddiqui at gmail.com> wrote:
> 
> Hi,
> Just to add its general rule for GPON not only for NBN.
> 
> 
> Can anyone confirm if the upstream traffic is encrypted?
> 
> I can’t confirm if the upstream traffic is encrypted but in a GPON environment you only should concern about encryption of the downstream traffic: 
> Downstream is shared media for all subscribers connected to the splitted span (32 to 128 subscribers). Every subscriber gets all downstream traffic from the others – encryption needed.
>  
> For the upstream path the media is not shared.
> 
> It is shared media as well.
>  
> You have a „dedicated“ upstream path from your ONU to NBNs OLT. The other subscribers don’t get your upstream traffic – only looking at the physics.
> 
>  
> Its TDM to be specific. 
>  
> _______________________________________________
> AusNOG mailing list
> AusNOG at lists.ausnog.net
> http://lists.ausnog.net/mailman/listinfo/ausnog

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ausnog.net/pipermail/ausnog/attachments/20150610/fc4f5ed4/attachment.html>