Hi Francesco,

I will try to clarify my comment on your answer;

>in the project proposal we say that ZigBee covers many application
>domains very useful for AAL related project, but we don't mean that 
>ZigBee must be the reference technology for AAL applications.
>We are aware that there are many competing solutions, IP6LowPan, 
>Wireless HART,  or UPnP, DPWS ....

When I mention the risk in the survival of the open source project I am referring to external open source competitors. As you are mentioning, it is not a core/reference technology for AAL applications(note that open source is more competitive than traditional commercial development)


>I didn't understand your last example. In theory ZigBee networks can
>contains 65.000 nodes, enough for the smart environments we are
>addressing, but I guess you was thinking to a different use case.
>

From the inputs I have so far it seems that this number of nodes is difficult to achieve in real deployments; and this is a R&D issue being tackled in other domains. The example was just to illustrate the type of requirements being addressed for this technology in other domains (to clarify the above). ...and it is not only this, also the current strength of some middleware communities.

>The scalability issues in my mind are that ones related to the remote
>management of thousand of devices; a control center that has to
>remotely manage many smart home installations, the remote upgrade of
>the software/firmware installed in such environments, and so on   ...
>but IMO the problems are not on the ZigBee side.
I fully agree, this scalability is not in the ZigBee part,

Best regards,
-Jesus-



-----promoters-boun...@aaloa.org escribió: -----

>Para: "promoters@aaloa.org" <promoters@aaloa.org>
>De: Francesco Furfari <francesco.furf...@isti.cnr.it>
>Enviado por: promoters-boun...@aaloa.org
>Fecha: 19/12/2010 16:32
>Asunto: Re: [aaloa promoters] [Vote] Call for Vote on a project
>proposal: ZigBee 4 OSGI
>
>
>Jesus,
>
>
>in the project proposal we say that ZigBee covers many application
>domains very useful for AAL related project, but we don't mean that 
>ZigBee must be the reference technology for AAL applications.
>
>We are aware that there are many competing solutions, IP6LowPan, 
>Wireless HART,  or UPnP, DPWS ....
>
>With respect to the AALOA mission, this project can be considered one
>of the many  building blocks that may be integrated in a reference
>platform for AAL. 
>
>It is an outcome of the  PERSONA project, but it is released without
>the "peculiarities" of the PERSONA project, so that it is a generic
>solution that can be integrated in the AAL/AmI platform you like.
>
>
>I didn't understand your last example. In theory ZigBee networks can
>contains 65.000 nodes, enough for the smart environments we are
>addressing, but I guess you was thinking to a different use case.
>
>The scalability issues in my mind are that ones related to the remote
>management of thousand of devices; a control center that has to
>remotely manage many smart home installations, the remote upgrade of
>the software/firmware installed in such environments, and so on   ...
>but IMO the problems are not on the ZigBee side.
>
>
>Francesco
>
>
>
>Il 19/12/2010 0.33, 
>jesus.berm...@telvent.com

>ha scritto: 
>
>Dear all,
>
>
>My vote is positive ...

>however, it is not clear the strategy for the AAL domain being the
>driver for the evolution of Zigbee out from a ZigBee for Health Care
>profile (which is a very limited area in the scope of this
>technology). This combined with the current activity in this
>technology entails a high risk for the survival. 

>
>
>Just to mention an additional implementation being integrated in
>device abstraction activities running in OSAmI project; the
>(paralell) R&D activities of the team involved in this technology are
>moving in the direction of overcoming the current limitations in the
>number of nodes in the context of real deployment scenarios (some
>already in operation) which are difficult to find in the AAL domain. 
>

>
>
>Best regards,

>
>
>-Jesus-
>

>
>-----promoters-boun...@aaloa.org escribió: -----
>
>
>Para: 
>"promoters@aaloa.org"

><promoters@aaloa.org>
>
>De: Francesco Furfari 
><francesco.furf...@isti.cnr.it>
>
>Enviado por: 
>promoters-boun...@aaloa.org
>
>Fecha: 16/12/2010 14:58
>
>Asunto: [aaloa promoters] [Vote] Call for Vote on a project proposal:
>ZigBee 4 OSGI
>

>Dear Governing Board of AALOA, and Promoters,
>
>
>I would like to submit to your attention the attached project
>proposal
>

>concerning the ZigBee networks integration with the OSGi platform.
>
>

>I ask you to consider it for becoming an AALOA Project and to
>allocate
>

>the needed resources for its software development.
>
>

>As promoter of this proposal and member of the Governing Board I will
>

>abstain from voting on this issue.
>

>I remember to the promoters that even if  they haven't a binding
>vote,
>

>their comments are very welcome.
>
>

>Kind regards,
>

>Francesco.
>
>(See attached file: ZigBee4OSGi project proposal_v4.pdf)
>

>_______________________________________________
>

>Promoters mailing list
>

>Promoters@aaloa.org
>

>http://aaloa.org/mailman/listinfo/promoters

>
>
>[anexo "ZigBee4OSGi project proposal_v4.pdf" eliminado por Jesús
>Bermejo Muñoz/Telvent/Abengoa]
>

>
>
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>
>Promoters mailing list
>Promoters@aaloa.org
>http://aaloa.org/mailman/listinfo/promoters
>
>
>
>
>_______________________________________________
>
>Promoters mailing list
>
>Promoters@aaloa.org
>
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