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P2PS (Peer-to-Peer Simplified) is a lightweight infrastructure for peer-to-peer
service discovery and pipe-based communication. As its names suggests, P2PS aims
to provide a simple platform on which to develop peer-to-peer style applications,
hiding the complexity of other similar architectures such as
JXTA.
The P2PS protocols allow ad-hoc peer networks to be created containing everything
from super-computer peers to PDAs. P2PS peers can create and advertise services within
the network and discover the services offered by other peers. Services usually have at
least one pipe associated, an abstract communication channel used to contact the
service. Pipes are only bound to specific transport protocols (e.g. TCP/IP) at
connection time and allow peers to communicate over multiple protocols.
The current P2PS reference implementation is written using Java, however as P2PS is
based on XML protocols interoperability should exist with other implementations. The
Java implementation provides a straightforward API for creating and advertising a peer
within a network and for discovering the capabilities of other peers. Pluggable
endpoint resolvers allow additional transport protocols to be inserted transparently
to the application.
P2PS is an open-source project. The source code is available from the download section
of this website.
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© Cardiff University 2005.
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