[Lln-futures] Notes from hallway meeting in Vancouver

[Geoff Mulligan <[e-mail]>]

LLN people,

Here are the notes (thank you Justin) from the hallway meeting in Vancouver.

There seems to be some "sort-of" parallel efforts (coman and solace), 
but potentially focused on different areas.

We had about 7 or 8 people attend the hallway discussion.  There seem to 
folks interested in a variety of topics related to LLNs that were not 
addressed by 6lowpan.  If we would like to have a formal BOF in Atlanta 
I need to request it soon so we should have some good discussion about 
work items and topics for the the BOF.

Please read these notes below and lets start talking...

     geoff


---------------- Notes ---------------------

6lowpan has shut down but there is still stuff to be done.

What are the gaps in getting M2M communication to work within the scope 
of LLNs?

Management of constrained devices might be taking place in COMAN.

Where do we do architectures for LLNs?  In general the IETF doesn't 
do architectures but its hard to tackle these problems without an over 
arching framework.

There are lots of different drafts and protocols and who is the 
person/group looking over them and seeing if they are going to work and 
how they fit together.

What about a common security solution for LLNs?  There are different 
levels of security for different type of systems. It might be possible 
to leverage the shared medium characteristics to help secure these devices.

With the layering approach we have so far....our feeling is that we have 
many different solutions at the different layers. We end up with 
different solutions  doing the same work and potentially not interoperable.

There is an interest in security and key management.  End to end 
security in a multihop network.

The original drafts we put out we said you can't do IPSEC. Technology 
has increased so perhaps we can do ipsec in these smaller devices, or 
some subset of ipsec.

The 802.15 group has been expanding at a rapid rate- some new PHYs and 
MACs.  Is there interest in IP over these?

Working groups cluster multi dimensional issues together and the 
solutions to the different issues might not be the same.  LLN (as low 
power lossy networks) are they low power or are they lossy or are they 
both?  Perhaps we should focus on one or the other

What about device identity issues.  Is this in SOLACE or COMAN