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ISO/IEC 9314-25:1998

ISO/IEC 9314-25:1998

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Information technology — Fibre Distributed Data Interface (FDDI) — Part 25: Abstract test suite for FDDI — Station Management Conformance Testing (SMT-ATS)

Published By Publication Date Number of Pages
ISO 1998-10 908
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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.

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ISO/IEC 9314-25:1998
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