CONTENTS

�1���� Introduction
�2���� General architecture of the B-ISDN
�3���� Architectural aspects of the B-ISDN
������� 3.1���� Low Layer capabilities
������� 3.2���� High layer capabilities
�4���� Location of functions in the B-ISDN
������� 4.1���� Overall
������� 4.2���� Partitioning of the overall B-ISDN connection
������� 4.3���� Functional architecture models for the B-ISDN
Annex A
Annex B � Alphabetical list of abbreviations used in this Recommendation
Appendix I � Examples for functional architecture models for B-ISDN