ocr: Categories Of High-Availability Systems FIGURE 1 Activity imited All systems in use: Afailure does Afailure may Coordination not affect artectapplication Addressability Mechanism application performance pertormance Activities coordinat Can-address any ed by hardware node for shared func- Hardware parallel and/or special tion. Application-run- fault (clustered) enabling sottware ning on multiple tolerant, systems Activities coordinat Must: addressthe idle: partitioned ed byfailover soft- right node. Specific standby) ware: and system nodes rum specitic administrator processes
