| Subject | English | Japanese |
| comp., MS | active/active mode | アクティブ/アクティブ モード (The mode in which Application Request Routing is deployed on two or more servers to achieve both high availability and scalability) |
| comp., MS | active/passive mode | アクティブ/パッシブ モード (The mode in which Application Request Routing is deployed on two ARR servers that process requests and that together act as a failover server. This configuration can achieve high availability, but is still limited by the maximum capacity of one ARR server) |