�1���� Scope����������
�2���� References
�3���� Definitions
������� 3.1���� Terms defined
elsewhere�������
�5���� Conventions������������
�6���� Basic configurations for telecommunication equipment�������
������� 6.1���� Basic functional configurations (classification of function
blocks regarding effect on client signal)����
������� 6.2���� Equipment configuration (components, circuit packs and unit)
������� 6.3���� Functional configurations to be considered for countermeasures���������
�7���� Reliability requirements relating to soft errors and procedure of equipment
design with mitigation measures����
������� 7.1���� Reliability requirements����������
������� 7.2���� Equipment development procedures to implement mitigation
measures����������
�8���� Estimation of soft error impact���������
������� 8.1���� Devices impacted by soft errors�����������
������� 8.2���� Estimation method for soft error failure rate (SEFR)����
�9���� Methods for implementation of soft error measures��������������
������� 9.1���� Principles of mitigation measures�������
������� 9.2���� Soft error detection method�
������� 9.3���� Soft error correction method
������� 9.4���� Example of soft error correction measures for setting data
storage memory����
������� 9.5���� Examples of soft error correction measures for operational
control memory and logic circuits����
������� 9.6���� Example of soft error measures for buffer memory�����
������� 9.7���� Definition and consideration of silent failure��
10���� Notes on application of soft error measures�������������
������ 10.1���� Soft error measures for a redundant configuration function
block��������
������ 10.2���� Design method of notification message regarding soft error measures��������������
������ 10.3���� Saving soft error occurrence history��
������ 10.4���� Soft error measures for initial start-up data storage memory�
������ 10.5���� Identification of physical fault failure to prevent repetition
of soft error measures�������
������ 10.6���� Notes on use of CPU internal memory�������������
11���� Soft error reliability evaluation methods����
Annex A � Design method of notification message for soft error measures����
������� A.1���� Notification message on
execution of automatic restoration from soft error����
������� A.2���� Notification
message on execution of manual restoration from soft error����������
Appendix I � Trends in semiconductor device soft error tolerances����
Bibliography����