1. In a service node nested in a service topology, a method for non-intrusively dispatching service requests, the method comprising the steps of: receiving a service request in the service node and identifying a requested operation and corresponding parameters for said requested operation from said received service request; obtaining a port end point address for said requested operation and locating a service list for said requested operation; determining whether the service node is a destination hub; if it is determined that the service node is a destination hub for said service request, invoking an operation corresponding to said service request; and, if it is determined that the service node is not a destination hub for said service request, selecting a service node at a different level in the service topology and recursively performing said receiving and identifying, obtaining and locating, determining, invoking, and selecting and performing steps in said selected service node.