CONTENTS

 1     Scope
 2     References
 3     Terms and definitions
 4     Abbreviations
 5     Conventions
 6     LCAS for virtual concatenation
        6.1     Methodology
        6.2     Control packet
                  6.2.1     MultiFrame Indicator (MFI) field
                  6.2.2     Sequence Indicator (SQ) field
                  6.2.3     Control (CTRL) field
                  6.2.4     Group Identification (GID) bit
                  6.2.5     CRC field
                  6.2.6     Member Status (MST) field
                  6.2.7     Re-Sequence Acknowledge (RS-Ack) bit
        6.3     Addition of member(s)
                  6.3.1     Addition of member(s) payload
        6.4     Temporary removal of member
                  6.4.1     Temporary removal of member payload
        6.5     Deletion of member(s)
                  6.5.1     Deletion of member(s) payload
        6.6     LCAS to non-LCAS interworking
                  6.6.1     LCAS transmitter and non-LCAS receiver
                  6.6.2     Non-LCAS transmitter and LCAS receiver
        6.7     Asymmetric connections
        6.8     Symmetric connection
Annex A – LCAS Protocol
        A.1     LCAS Protocol
        A.2     State diagram of member(i) in the Virtual concatenated Group
Appendix I – LCAS Time Sequence Diagrams
        I.1        Nomenclature
        I.2        Numbering System
        I.3        Provisioning
        I.4        Commands
                  I.4.1     Increase bandwidth of VCG (ADD command)
                  I.4.2     Decrease bandwidth of VCG (REMOVE command)
                  I.4.3     Decrease bandwidth of VCG due to fault (DNU command)