On 4/4/14, 9:45 AM, Don Sturek wrote:
> Hi Douglas,
> 
> I fail to see how turning all devices in a home into a flat link
> local-addressed architecture meets the requirments in the homenet charter
> (http://datatracker.ietf.org/wg/homenet/charter/), particularly around
> home/guest networks plus a few other areas of the charter.
> 
> I also fail to see how turning all devices in a dnssd-type deployment into a
> flat link local-addressed architecture meets the requirements in the dnssd
> charter (http://datatracker.ietf.org/wg/dnssd/charter/) particularly around
> enterprise networks (eg campus networks) or mesh networks.

afaik dnssd wg/charter wouldn't need to exist if we were to constrain
the problem space to a single L2 domain. So i think we can stipulate
that the purpose is to work on a routed network.

> Don
> 
> 
> 
> From:  Douglas Otis <[email protected]>
> Date:  Friday, April 4, 2014 8:08 AM
> To:  Don Sturek <[email protected]>
> Cc:  <[email protected]>, <[email protected]>
> Subject:  Re: [homenet] [dnssd] IETF-89 WG meeting minutes
> 
> 
> On Apr 4, 2014, at 6:10 AM, Don Sturek <[email protected]> wrote:
> 
>> Hi Douglas,
>>
>> As one who follows the WG and having a keen interest in homenet solutions,
>> I fail to see how TRILL addresses the homenet problem set.
>>
>> Producing a flat L2 architecture and then trying to set up specific
>> service filters to contain the traffic seems like an L3 problem to me.
>>
>> Claiming that L3 does not address "security threats" is not a reason to
>> use TRILL since I would imagine setting "specific service filters" in
>> TRILL would have the same issues (and without the existing IETF L3
>> security solutions we already have)
>>
>> Don
> 
> Dear Don,
> 
> Typical home networks could use link-local addresses for all internal
> devices without the filtering concern that effects enterprise level
> deployments.  In addition, the mDNS to DNS proxy scheme expects routable
> addresses and rather ugly name conversion and base domain assignments
> ignored in proposed specifications.
> 
> In comparison, Rbridge which can be introduced incrementally, permits
> continued use of link-local addressing and firewalls to avoid a difficult
> task of assessing network boundaries.  Devices using default mDNS names
> would not suddenly become indirectly visible and various network enabled
> displays that handle HDCP media still function within the home.
> 
> Even if Rbridge is not a viable solution, I would still request that we look
> at the security impact of any proposal - even if it is just in the form of a
> BCP that would be useful for deployment.
> 
> Regards,
> Douglas Otis
> 
>  
> 
> 
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