46. A peer-to-peer network system, comprising: a plurality of peers, wherein each peer comprises a network node configured to communicate with one or more other ones of said peers over one or more networks; a plurality of peer services or content provided by one or more of said peers; means for advertising services or content for discovery on said one or more networks, wherein said means for advertising said services or content publishes an identifier for each of said services or content, and wherein said means for advertising said services or content further publishes an indication of how to access each of said services or content on said one or more networks; and means for advertising each of said peers for discovery on said one or more networks, wherein said means for advertising each of said peers publishes an identifier for each of said peers, wherein said means for advertising each of said peers further publishes a communication address corresponding to each of said peers on said one or more networks, and wherein said means for advertising each of said peers further publishes an indication of particular services or content provided by each of said peers.
46. A peer-to-peer network system, comprising: a plurality of peers, wherein each peer comprises a network node configured to communicate with one or more other ones of said peers over one or more networks; a plurality of peer services or content provided by one or more of said peers; means for advertising services or content for discovery on said one or more networks, wherein said means for advertising said services or content publishes an identifier for each of said services or content, and wherein said means for advertising said services or content further publishes an indication of how to access each of said services or content on said one or more networks; and means for advertising each of said peers for discovery on said one or more networks, wherein said means for advertising each of said peers publishes an identifier for each of said peers, wherein said means for advertising each of said peers further publishes a communication address corresponding to each of said peers on said one or more networks, and wherein said means for advertising each of said peers further publishes an indication of particular services or content provided by each of said peers. 49. The peer-to-peer network system as recited in claim 46 , further comprising means for advertising communication channels on which to send messages to invoke each of said services.