CCITT Rec. E800 � QUALITY OF SERVICE AND DEPENDABILITY VOCABULARY
CONTENTS
1 Introduction
2 Related Recommendations and Supplements
3 Performances
    3.1 Service related performances
    3.2 Item related performances
4 Interruptions
5 Measures of performances
    5.1 Service support performance
    5.2 Service operability performance
    5.3 Service accessibility performance
    5.4 Service retainability performance
    5.5 Serveability performance
    5.6 Transmission performance
6 Common concepts
ANNEX A � Alphabetical list of definitions contained in this Recommendation