A public server node performing work at the request of client nodes. The interaction is automated - human operators are rarely on either end. Remote services are a relatively new phenomenon in that the servers and clients do not have the same owner. A database interacting with a web server within the same intranet is not a service because the database is not open to the public. Ebay is not a remote service because a human is required on the client side. The Clip2 Reflector, which Gnutella nodes can request addresses of other Gnutella nodes from, is a remote service. Remote services interacting via the HTTP protocol are called web services. See XMethods.com for examples of web services. The technique is not new, for example whois servers are long established, but was rarely employed until recently.