Core JXTA Concepts
Peer - a virtual communications point. Application node, gateway, router, rendezvous or combination.
Peer Group - A way to group peers and advertise services. (Logical VPN?) Groups can limit membership.
Endpoint - Basic addressing method used by JXTA. An address of a peer
that implements a specific protocol. A peer can have multiple endpoints
and thus can be communicated to via different protocols (HTTP, TCP,
BEEP, etc).
Pipe - A virtual connection between peers. Pipes are an abstraction
used to hide how many peers are used to establish a connection (routers
etc). Pipes can also be self-healing and reroute around an original
peer. Pipes can communicate over multiple protocols and usually use
multiple endpoints.
Advertisement - An XML document that describes a JXTA message, peer,
peer group or service. Advertisements use rendezvous peers as virtual
"billboards".
Message - An XML or XML-binary payload.
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