A method can include a node receiving a token redemption request from a client computing device. The node can determine a destination host management service based at least in part on a geographic proximity of the destination host management service to the client computing device. The destination host management service can be one of a plurality of host management systems distributed across a plurality of data centers. The node can route the token redemption request to the destination host management service. The destination host management service can determine a destination host running an application in one of the plurality of data centers and provision a session between the client computing device and the application running in the destination host.