CONTENTS

 1     Scope
 2     References
 3     Terms and definitions
 4     Abbreviations
 5     Interworking criteria/objectives
        5.1     Criteria for ring interworking with an MS-shared protection ring
 6     Interworking architectures
        6.1     Single node interconnection
        6.2     Dual node interconnection
                  6.2.1     Generalized architecture
                  6.2.2     Ring interworking with an MS-shared protection ring
                  6.2.3     Ring interworking with an SNCP ring
                  6.2.4     Multiple rings
 7     Interworking among network layers
 8     Switch contention