Techniques for providing a data request method are described. A data request is received from a user requesting a calculation. In response to receiving the data request, an inquiry message is transmitted to a plurality of service nodes. A confirmation message is received from each service node from the plurality of service nodes, wherein the confirmation message comprises data indicating whether a service node will participate in the requested calculation or will not participate in the requested calculation. A contribution of the service node is determines based on the confirmation message. A resource is allocated to each service node that will participate in the requested calculation.