CONTENTS

�1���� Scope
�2���� References
�3���� Abbreviations
�4���� Reference model
�5���� Network performance objectives and frame relay quality of service classes
������� 5.1���� Nature of the network performance objectives
������� 5.2���� Statistical estimation of network performance
������� 5.3���� Unspecified performance
������� 5.4���� Standardized Frame Size for FTD performance measurement
������� 5.5���� Frame relay service classes
�6���� Service class allocation methods
������� 6.1���� Route length calculation
������� 6.2���� Access circuit section allocations
������� 6.3���� Frame delay allocations to national and international portions
������� 6.4���� Frame loss allocations to national and international portions
Appendix� I� ����� ����� Illustration of the weighted distribution concept for X.146 with possible application to frame relay SVC connections and measurement methods to estimate the 95th percentile of FTD
������� I.1���� Weighted distributions and SVC performance estimation
������� I.2���� Methods to estimate the 95th percentile of FTD
Appendix� II� �� Effect of transmission delay and frame size on FTD