If you are responsible for network administration, then you may be concerned with the speed at which computers throughout that network can exchange data. Fortunately, you can manage the ability of a network to perform work and remain robust. The higher the performance, the more jobs a network can handle. In addition, you must consider the individual components that make up the systems in your network, in relation to the environment in which that system is running. If you have decided to configure an APPN and HPR network, review the following topics: