If you want to reserve resources for a specific connection to this client, you will need to write your own RSVP-enabled application. To give dedicated delivery to a connection, you create an integrated service policy which uses the RSVP protocol. Because there are no RSVP-enabled applications on your server, use the RAPI APIs or QoS Socket APIs to enable your own applications.
What are the applications that you intend to write on the server?