Source : Free On-Line Dictionary of Computing

Core Protocol Stack
     
        
     
        1. A portion of the {Web Services} {architecture} for
        defining and describing various {Web Services}.
     
        2. The architectural {protocol} layers of a {Bluetooth}
        {wireless} {communication} system, comprising the {Host
        Control Interface} (HCI), {Logical Link Control and Adaptation
        Protocol} (L2CAP), {RS232 Serial Cable Emulation Profile}
        (RFCOMM), {Service Discovery Protocol} (SDP), and {Object
        Exchange} (OBEX).
     
        (2002-06-28)