A method of emulating a service in a computer infrastructure includes the
steps of providing a service proxy instance as a stand-in for the service
and running the service proxy instance on a computer accessible to the
computer infrastructure. The service proxy instance is configured at run
time in accordance with a configuration file, wherein the configuration
file includes an operating mode specification. The service proxy instance
communicates with at least one destination in adherence to the operating
mode specification and a communication protocol.