This paper presents an architecture which allows
consumers to securely share the services available in their home
networks with remote third parties. It is implemented as a software
service which can be installed on a home-gateway device. The
implementation supports dynamic sharing of UPnP-compliant
devices and multimedia content and enables complex service
compositions across federated homes through a secure Federal
Relationship Manager (FRM) service. We have extended UPnP to
use XMPP as the underlying messaging protocol to maintain up-todate
state information about the availability of devices and content to
federated third parties. The architecture, implementation and
performance evaluations are described, demonstrating the potential
for this technology to provide consumers with a mechanism for
federating home services. This mechanism is sufficiently powerful to
satisfy fine-grained sharing constraints through a user interface that
is sufficiently simple for average consumers to master.
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