Service infrastructure for serving client nodes based on p2p connections

an infrastructure for serving client nodes, comprising:

• a plurality of service nodes, wherein each of the plurality of service nodes has an identification for establishing a P2P connection;
• and
• at least one linking server for providing connecting information to enable nodes to establish connections between each other, wherein the identification of the first service node and the second service node are registered in the at least one linking server, wherein the plurality of service nodes provide services to the client nodes through P2P connections respectively, and a P2P connection is established between a first service node and a second service node of the plurality of service nodes.