�1����
Introduction and Scope���
������� 1.1���� Introduction����������
������� 1.2���� Scope����
�2���� References
�3���� Abbreviations�
�4���� Transfer
capacity, capacity agreements, and the applicability of QoS classes���
�5���� Network
performance objectives�����������
������� 5.1���� General
discussion of QoS�����������
������� 5.2���� Reference
path for UNI to UNI QoS���������
������� 5.3���� Network
QoS classes�������
�6���� Availability
objectives��
�7���� Achievement
of the performance objectives������
�8���� Concatenating network
sections and their QoS values���
������� 8.1����
Introduction����������
������� 8.2����
Composing UNI-UNI values��������
������� 8.3���� Impairment accumulation procedures�������
�9���� Security����
Appendix I � ATM network QoS support of IP QoS����
Appendix II � IP delay variation parameter definition
considerations����
Appendix III � Example hypothetical reference paths for
validating the IP performance objectives����
����� III.1���� Number
IP nodes in the HRP��������
����� III.2���� Example
computations to support end-end Class 0 and Class 1 delay������
����� III.3���� Example
end-end class 1 delay computation��������
����� III.4���� Example
computations to support end-end class 4 delay��
����� III.5���� Loading
within the HRP���
����� III.6���� Geostationary
satellites within the HRP���
Appendix IV � Example calculations of IP packet delay
variation����
������ IV.1���� Contributors
to IP packet delay variation
������ IV.2���� Models
and calculation procedures to establish an upper bound to the IPDV�����
������ IV.3���� Calculation
examples������
Appendix V � Material relevant to IP performance measurement
methods����
Appendix VI � Applicability of the Y.1221 transfer
capabilities� and IETF differentiated
services to IP QoS classes����
Appendix VII � Effects of network QoS on end-to-end speech
transmission� performance as perceived by
the user����
����� VII.1���� Example
VoIP Calculations with Y.1541 Class 0 network performance
����� VII.2���� Example
VoIP Calculations with Y.1541 Class 1 network performance
����� VII.3���� Speech
quality calculations for Y.1541 hypothetical reference paths�����
Appendix VIII � Effects of IP network performance on digital
television transmission QoS����
���� VIII.1���� Introduction���������
���� VIII.2���� Hypothetical Reference Endpoint (HRE) for high-bandwidth
video signals�������
���� VIII.3���� Service profiles and end-to-end packet performance
requirements��������
���� VIII.4���� Forward Error Correction (FEC)/Interleaving to improve
UNI-UNI performance������������
���� VIII.5���� Laboratory assessment of Forward Error Correction
(FEC)/Interleaving effectiveness����
���� VIII.6���� Additional performance parameters��������
Appendix IX � Effects of network QoS on end-to-end data
transmission� performance using TCP����
������ IX.1���� Introduction���������
������ IX.2���� Model of TCP performance��������
������ IX.3���� TCP Hypothetical Reference Endpoint (HRE)����
������ IX.4���� Observations�������
������ IX.5���� Summary
of TCP capacity estimates�������
BIBLIOGRAPHY����