(The primary function of BandwidthSplitter: The tight integration of BS and ISAServer is mainly in the following four aspects: BS's configuration data is stored with ISAServer's configuration data; BS's management console is integrated with ISAServer's management console; BS acts as ISAServer It runs with the program selector; BS uses the policy element in ISAServer as its own policy element; it is tightly integrated with ISAServer, and supports remote management; supports real-time bandwidth limit and total traffic limit; supports IP and user account restrictions ;Support to limit the total amount of the group or limit the individual IP/user in the group)