CAN/CSA-ISO/IEC ISP 10609-20-99(R2003)

1. Scope1.1General 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.This part of ISO/IEC ISP 10609 provides an overview of the multi-part structure for the ISDN TA profiles (which provide the Connection-mode Transport Service (COTS) using the Connectionless-mode Network Service (CLNS)) and for the ISDN TC and TD profiles (which provide the Connection-mode Transport Service (COTS) using the Connection-mode Network Service (CONS)).1.2Position within the Taxonomy This part of ISO/IEC ISP 10609 covers the taxonomy elements using an ISDN subnetwork with Transport Groups TA, TC and TD as described in ISO/IEC TR 10000-2. In particular, it provides an overview and description of a generalized multi-part structure covering the following ISDN ISPs:Tx 1131, Tx 1231, Tx 4111, Tx 4211, Tx 4311q, Tx 4321q and Tx 4331 (Tx=TA, TC and TD and q=1 or 2).TA - COTS over CLNS (to be developed) TC - COTS over CONS with Mandatory Transport Protocol Classes 0 and 2 TD - COTS over CONS with Mandatory Transport Protocol Class 0.