1 Scope
This part of ISO/IEC 9041 specifies:
a) a set of procedures for the connection-oriented transfer of data, control and reference information between protocol machines which implement the functions of a provider of the Basic Class Virtual Terminal Service;
b) the two modes in which those procedures operate;
c) the structure of protocol elements used for the transfer of data and control Information and the mapping of these protocol elements onto ACSE and lower layer services;
d) the means of negotiating the functional units to be used by the protocol machines and the parameters of the service;
e) the structure and mapping of protocol elements used for the transfer of data and control information.
The procedures are defined in terms of:
f) the interactions between Virtual Terminal Protocol Machines through the exchange of Virtual Terminal protocol elements ;
g) the Interactions between a Virtual Terminal Protocol Machine and the Virtual Terminal service user in the ...