Embodiments of a method and system for gateway communication are disclosed. A rate evaluator may be configured to receive a call packet. A quality of service (QOS) specification regarding routing of a local request may be generated for an application according to a business policy. The QOS specification may be available for receipt. A first service gateway may be in communication with the rate evaluator and located in a data center. The first service gateway may be configured to receive the local request from a client machine located in the data center and generate and provide the call packet for the local request to the rate evaluator. The first service gateway may be further configured to receive the QOS specification from the rate evaluator, and route the local request according to the QOS specification to a second service gateway not in the data center.