ISO 12173:2003

1 INTRODUCTION
  1.1 PURPOSE AND SCOPE
  1.2 APPLICABILITY
  1.3 STATE TABLE FORMAT
  1.4 INTERLAYER INTERFACES
  1.5 REFERENCES
2 COP-1
  2.1 SERVICES AND PROTOCOLS
      2.1.1 Services
            2.1.1.1 Sequence-Controlled Service
            2.1.1.2 Expedited Service (BD Service)
      2.1.2 Protocols
            2.1.2.1 At the Sending End: FOP-1
            2.1.2.2 At the Receiving End: FARM-1
  2.2 INTERNAL VARIABLES
      2.2.1 FOP-1 Variables
            2.2.1.1 State
            2.2.1.2 [Deleted]
            2.2.1.3 [Deleted]
            2.2.1.4 [Deleted]
            2.2.1.5 Transmitter_Frame_Sequence_Number, V(S)
            2.2.1.6 Wait_Queue
            2.2.1.7 To_Be_Retransmitted_Flag
            2.2.1.8 AD_Out_Flag, BC_Out_Flag, and BD_Out_Flag
            2.2.1.9 Sent_Queue
            2.2.1.10 Expected_Acknowledgement_Frame_Sequence_Number
                     (NN(R))
            2.2.1.11 Timer_Initial_Value (T1_Initial)
            2.2.1.12 Transmission Count Variables
            2.2.1.13 Suspend_State (SS)
            2.2.1.14 FOP_Sliding_Window_Width (K)
      2.2.2 FARM-1 Variables
            2.2.2.1 State
            2.2.2.2 Lockout_Flag
            2.2.2.3 Wait_Flag
            2.2.2.4 Retransmit_Flag
            2.2.2.5 FARM-B_Counter
            2.2.2.6 Receiver_Frame_Sequence_Number V(R)
            2.2.2.7 FARM Sliding Window Variables
            2.2.2.8 FARM_Sliding_Window_Width (W)
            2.2.2.9 FARM_Positive_Window_Width (PW) and
                     FARM_Negative_Window_Width (NW)
            2.2.2.10 Buffer Administration Variables
  2.3 COP-1 INTERFACE TO HIGHER LAYER
      2.3.1 Sending End
            2.3.1.1 Sequence-Controlled Service Management
                     Interface
            2.3.1.2 Sequence-Controlled Service FDU Transfer
                     Interface
            2.3.1.3 Expedited Service Interface
      2.3.2 Receiving End
  2.4 COP-1 INTERFACE TO LOWER LAYER
      2.4.1 Sending End
            2.4.1.1 From FOP-1 to Frame Generation
            2.4.1.2 From Frame Generation to FOP-1
      2.4.2 Receiving End
            2.4.2.1 From the Frame Validation Check to FARM-1
            2.4.2.2 From FARM-1 to the Frame Validation Check
  2.5 ACTIONS
      2.5.1 FOP-1
      2.5.2 FARM-1
Annexes
A - COMMAND OPERATION PROCEDURES GLOSSARY
B - COMMAND OPERATION PROCEDURES interlayer interfaces
C - INFORMATIVE REFERENCES
Figures
Tables

ISO 12173:2003 specifies the logic required to carry out Command Operation Procedure-1 (COP-1) of the transfer layer. It is applicable only to projects which are compatible with the transfer layer as defined in ISO 12172.