ANSWER: network monitoring using object-oriented rules

摘要: This paper describes ANSWER, the expert system responsible for monitoring AT&T's 4ESS switches. These switches are extremely important, since they handle virtually all of long distance traffic. ANSWER is implemented in R++, a rule-based extension to C++ object-oriented programming language, and innovative because it employs both paradigms. The use object technology has provided principled way modeling reasoning about failures within 4ESS. resulted an that more clearly organized, easily understood maintainable than its predecessor, which was using paradigm alone. been deployed year handles 140 processes over 100,000 alarms per week.