Provides definition for the Peer ID standard JXTA Peer Info Service. There
is no JXTA J2SE object directly associated with the peer. The state of the
current peer is expressed through the {@link net.jxta.peergroup.PeerGroup}
object.
@see net.jxta.peergroup.PeerGroup
@see net.jxta.protocol.PeerAdvertisement
@see net.jxta.id.ID
@see JXTA Protocols Specification