| Subject | English | Czech |
| comp., MS | active/active mode | režim aktivní/aktivní (The mode in which Application Request Routing is deployed on two or more servers to achieve both high availability and scalability) |
| commun., IT, el. | active mode | aktivní režim |
| comp., MS | active/passive mode | režim aktivní/pasivní (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) |