Consider how you want to control traffic flow. The first option is to control traffic leaving your system. Outbound bandwidth policies allow you to mark data and control network traffic to a client or for an application. You can also request to reserve server resources for a specific connection.
The second option is to control traffic entering your network. Inbound admission policies allow you to place limits on network traffic attempting to connect to your system.
What type of QoS policy do you want to create?