* complete name: “special service circuit fault isolation”
* tag line “expert system for AUTONOMOUS fault isolation in comms circuits”
* rule-based and model-based
* “sscfi is a model-based expert system. It reads the target circuit’s design to generate an internal circuit model; ….” (Circuit model is my responsibility.)
* object-oriented LISP, C++, Corba, Perl, …
* in service since 1991
* used to run on multiple RS6000/AIX workstations
* how many circuit diagnosis a year? hundreds of thousands.