This part of ISO/IEC ISP 10609 is applicable to end systems concerned with operating in the Open Systems Interconnection(OSI) environment. It specifies a combination of OSI standards, which collectively provide the connection-mode Transport Service using the connection-mode Network Service. ISO/IEC ISP 10609 is applicable to the provision of the connection-mode Transport Service in end systems attached to any type of subnetwork from which the standadized connection-mode Network Service can be made available.
This part of ISO/IEC ISP 10609 specifies the definition of Profiles TD1111/TD1112. The TD1111/TD1112 are profiles in the TD group which uses Transport protocol class 0.