This part of ISO/IEC 9314 contains the Abstract Test Suites for the Fiber Distributed Data Interface
(FDDI) token ring Station Management (SMT) layer protocol. The SMT Protocol is extensive and very
complex. In the development process, the protocol was broken into six separate areas. Those areas
dealt with Physical Connection Management (PCM), Entity Coordination Management (ECM) Ring
Management (RMT), Configuration Management (CMT), Frame Based Management (FBM) and
Management Information Base (MIB).
This SMT ATS is divided along the same boundaries, with the exception that PCM and ECM are
combined. Those two concepts are tested together. The formal description language used for
Abstract Test Suite (ATS) development is Tree and Tabular Combined Notational (TTCN) and is
defined in ISO 9646Framework. TTCN is intended for higher layer protocol testing and requires the
use of discreet Protocol Data Units (PDUs). The TTCN notation is used in the test cases for RMT,
FBM and MIB. It cannot be used for PCM, ECM and CFM. These three protocols use line states as
the method of conveying information.
The TTCN (P) is similar in structure to TTCN but changes the paradigm from PDUs to line states. A
description of the concept of TTCN (P) can be found in the beginning of section 6, PCM.
Status: PublishedPublication date: 1998-10
Edition: 1Number of pages: 903
Technical Committee: ISO/IEC JTC 1/SC 25 Interconnection of information technology equipment
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