1. A method for instantiating a request on a deployment node of a plurality of deployment nodes, wherein the request specifies one or more resource requirements, comprising: transmitting at least an indication of the resource requirements specified in the request to a plurality of deployment nodes; receiving, from each of at least two of the plurality of deployment nodes, an indication of suitability of the respective deployment node for instantiating the request; selecting, by operation of one or more computer processors, a first one of the at least two deployment nodes for instantiating the request, based at least in part on the received indications of suitability; and transmitting the request to the first selected deployment node for instantiation.