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    iSCSI: connection definition



    Julian,
    I am confused by the definition of Connection in section 1.1. 
    The definition states a Connection is the communication between
    the initiator and target occuring over one or more TCP connections.
    However by the definition of the CID (Connection ID): Connections
    within a session are identified by a connection ID, which is unique
    ID within the session. In Section 5.1.3, state S2 for the initiator
    is waiting for a response to its transport connection establishment
    request. In section 5.1.4, state S2 changes to state S4, when the
    transport connection is established. The description for the Login
    PDU in section 9.12 states the Login is on every TCP connection.
    
    Since each Login Request PDU must contain a unique CID cause logout
    of the existing non-zero TSIH (assuming to be part of the same session)
    causes a logout of the connection as described in Section 4.3.
    
    So is the definition of Connection in Section 1.1 incorrect in stating
    a connection is possibly multiple TCP connections or is there some
    other method of having multiple TCP connections between an initiator
    and target with the same CID and non-zero TSIH?
    
    Thank you for your clarification.
    
    Jeff Fellin
    Bell Labs
    


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