Re: [dtn-interest] New routing solutions?

[waldir moreira <[e-mail]>]

Dear Anders, 
What would be the best approach for continuing with the efforts towards the common framework?I'd be happy to contribute and as I can see there are other colleagues interested in such framework.

Waldir 


> Date: Sun, 23 Nov 2014 22:24:31 -0200
> From: [e-mail]
> To: [e-mail]
> CC: [e-mail]
> Subject: Re: [dtn-interest] New routing solutions?
> 
> Hi there.
> It would be good to have a generalized framework, e.g. to evaluate
> different routing algorithms.
> Besides that, I think it is a nice way to realize how much interest
> the DTNRG attracts after the DTNWG start.
> Cheers.
> 
> Jéferson Campos Nobre
> PhD Student
> Computer Networks Group -  Institute of Informatics
> Federal University of Rio Grande do Sul
> http://www.inf.ufrgs.br/~jcnobre
> 
> On Fri, Nov 21, 2014 at 8:59 PM, Birrane, Edward J.
> <[e-mail]> wrote:
> > Waldir, Scott,
> >
> >
> >
> >   I have been looking at the idea of contact inference engines for some time
> > and I think there is something usable there. I’ve proposed some initial
> > inference adapters relating to PROPHET and a generalized routing framework
> > built on a modified contact graph.  I would be happy (and excited) to
> > continue this research with anyone interested and think it could be a
> > valuable undertaking within DTNRG.
> >
> >
> >
> > -Ed
> >
> >
> >
> > ---
> > Ed Birrane
> >
> > Principal Professional Staff, Space Exploration Sector
> >
> > Johns Hopkins Applied Physics Laboratory
> > (W) 443-778-7423 / (F) 443-228-3839
> >
> >
> >
> >
> > From: dtn-interest [mailto:[e-mail]] On Behalf Of
> > Burleigh, Scott C (312B)
> > Sent: Friday, November 14, 2014 8:30 AM
> > To: waldir moreira; [e-mail]
> >
> >
> > Subject: Re: [dtn-interest] New routing solutions?
> >
> >
> >
> > Yes, that's just the sort of ecosystem I am hoping for.
> >
> >
> >
> > Scott
> >
> > ________________________________
> >
> > From: dtn-interest [[e-mail]] on behalf of waldir
> > moreira [[e-mail]]
> > Sent: Friday, November 14, 2014 4:50 AM
> > To: [e-mail]
> > Subject: Re: [dtn-interest] New routing solutions?
> >
> > Thats right, Scott.
> >
> >
> >
> > I think if we worked the generic routing framework as mentioned by Anders,
> > we would certainly have an idea of the existing core routing algorithms that
> > could be added to ION as to allow the feeding of the contact plan.
> >
> > dLife, SPRINT, SCORP, .. do consider the "ongoing basis" as to have a
> > snapshot of the actual moment regarding relevant contact (considering the
> > different levels of social interaction between nodes). This could probably
> > make the collection of contact inference engines to allow the extended-CGR.
> >
> > The outcome would be a 'universal' routing solution that could be employed
> > in sparse and dense DTN scenarios.
> >
> > Waldir
> >
> >> From: [e-mail]
> >> To: [e-mail]
> >> Date: Thu, 13 Nov 2014 18:58:51 +0000
> >> Subject: Re: [dtn-interest] New routing solutions?
> >>
> >> Thanks, Stephen, that will be extremely helpful when we get to the point
> >> of having something to test.
> >>
> >> The other angle, which I thought Waldir was talking about, is development
> >> of software that infers somewhat-probable contacts (from social media
> >> interactions, contact history, whatever) on an ongoing basis, that could be
> >> integrated with a CGR-based forwarding daemon. ION provides an open API for
> >> inserting contacts into a node's contact plan, so I think this interface can
> >> be kept pretty clean. Notionally, I would be glad to see any number of
> >> clever contact inference engines operating concurrently and cooperating in
> >> keeping a given node's contact plan as comprehensive and accurate as
> >> possible, so that the extended-CGR forwarding based on that probabilistic
> >> time-varying topology information can be made as efficient as possible.
> >>
> >> Scott
> >> ________________________________________
> >> From: Stephen Farrell [[e-mail]]
> >> Sent: Thursday, November 13, 2014 9:11 AM
> >> To: Burleigh, Scott C (312B); [e-mail]
> >> Subject: Re: [dtn-interest] New routing solutions?
> >>
> >> On 13/11/14 16:57, Burleigh, Scott C (312B) wrote:
> >> > Yes, for the purposes of the development I was talking about it would
> >> > be great to have a really capable source of somewhat-probable
> >> > contacts.
> >>
> >> We put all the 2010 N4C contacts up on a web server. [1]
> >> Someone (likely Elwyn or me;-) would probably have to help
> >> deciphering formats but there's a bunch of them there and
> >> some pictures [2] to help (and the code to generate all
> >> those from DTN2 logs).
> >>
> >> We also have some others but 2010 is probably the most useful
> >> set we have for remote area scenarios.
> >>
> >> S.
> >>
> >> [1] http://dtn.dsg.cs.tcd.ie/n4c-summer10/
> >> [2] http://down.dsg.cs.tcd.ie/summer10/contacts/pairs/pairs.html
> >>
> >> >
> >> > Scott ________________________________ From: waldir moreira
> >> > [[e-mail]] Sent: Thursday, November 13, 2014 8:35
> >> > AM To: Burleigh, Scott C (312B); [e-mail] Subject: RE:
> >> > [dtn-interest] New routing solutions?
> >> >
> >> > Thanks for your reply, Scott.
> >> >
> >> > So in other words, you think we should mature more the inference from
> >> > social-based contacts, as to allow proper application to the CGR
> >> > contact plan?
> >> >
> >> > Waldir
> >> >
> >> >
> >> > ________________________________ From: [e-mail]
> >> > To: [e-mail] Date: Wed, 12 Nov 2014 20:15:53 +0000
> >> > Subject: Re: [dtn-interest] New routing solutions?
> >> >
> >> > HI, Waldir. One possibility: we are starting to look at the
> >> > possibility of basing a generic DTN routing framework on Contact
> >> > Graph Routing, by extending the CGR notion of a "contact plan" to
> >> > include not only scheduled contacts but also predicted contacts (that
> >> > is, enabling association of a probability less than 1.0 with an
> >> > identified contact). We think we've got a reasonable concept of how
> >> > to use somewhat-probable contacts to direct forwarding efficiently in
> >> > a general way, but that leaves wide open the question of how to
> >> > populate the contact plan with those somewhat-probable contacts; the
> >> > problem of inferring such things from social contacts or patterns of
> >> > movement or whatever remains less-than-comprehensively solved.
> >> >
> >> > Scott ________________________________ From: dtn-interest
> >> > [[e-mail]] on behalf of waldir moreira
> >> > [[e-mail]] Sent: Wednesday, November 12, 2014 4:16 AM To:
> >> > [e-mail] Subject: [dtn-interest] New routing solutions?
> >> >
> >> > Dear colleagues,
> >> >
> >> > Recently our draft on social-aware opportunistic routing has expired
> >> > (http://www.ietf.org/archive/id/draft-moreira-dlife-04.txt).
> >> >
> >> > Despite of a first interest from the DTNRG by the time of its first
> >> > appearance, our draft has not received any technical feedback as
> >> > expected (it remained as individual submission and no stream
> >> > defined).
> >> >
> >> > Thus, the intention of this email is to check with my colleagues
> >> > whether there is any interest from the DTNRG (or its IETF WG
> >> > counterpart) on new routing solutions.
> >> >
> >> > I recall that some emails were exchanged about a generic framework to
> >> > allow better development of new solutions, but that didnt go far as
> >> > well.
> >> >
> >> > Be it for new routing approaches or for a generic routing framework,
> >> > we would be more than happy to contribute if there is still any
> >> > interest from this RG in such direction.
> >> >
> >> > Best regards,
> >> >
> >> > Waldir Aranha Moreira Junior, Ph.D. Researcher at the Association for
> >> > Research and Development in Cognition and People Centric Computing -
> >> > COPELABS Invited Professor at University Lusofona - ULHT/ULP External
> >> > collaborator of the Research Group on Computer Networks and
> >> > Multimedia Communications - GERCOM/UFPA LinkedIn
> >> > profile<http://www.linkedin.com/in/waldirmoreira>
> >> >
> >> > _______________________________________________ dtn-interest mailing
> >> > list [e-mail]
> >> > https://www.irtf.org/mailman/listinfo/dtn-interest
> >> >
> >> >
> >> >
> >> > _______________________________________________ dtn-interest mailing
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> >> >
> >>
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