Patent ID: 8112792

Claim:
A network node for providing at least one Internet service that is executed in at least one provider server of a service provider for users of an Internet marketplace, comprising: at least one outer connector for receiving a service request whose generation can be initiated in a user computer of an Internet marketplace user and for transmitting to the user computer a processing result ascertained in the provider server, the Internet service being requested on a website of the Internet marketplace that is provided by a marketplace server connected to the user computer, the outer connector being adapted to make a format change to the service request and to the processing result, as an adaptation to the Internet marketplace; a transformation unit connected to the outer connector, the transformation unit being adapted to ascertain at least one provider server for executing the Internet service on the basis of information contained in the service request and for addressing the service request to the ascertained provider server; an authentication and authorization unit that is adapted to verify the authorization of the marketplace user to access the Internet service, the verification of the authorization of the marketplace user to access the Internet service being carried out on the basis of an identity of the Internet marketplace and of a marketplace authorization profile associated with the Internet marketplace so that different authorizations for using the Internet service can be stipulated for different Internet marketplaces; and at least one inner connector connected to the transformation unit for transmitting the service request to the provider server and for receiving the processing result ascertained in the provider server from said provider server.