MSC-News: MSC-2000

Subject: MSC-News: MSC-2000
From: Oystein Haugen (
Date: Tue Nov 23 1999 - 15:44:31 GMT

The originator of this message is responsible for its content.
-----From Oystein Haugen <> to mscnews -----

Dear MSC Friends

It is with great pleasure that I can announce that MSC-2000 has been
approved by ITU in Geneva. See the attached press release.
SDL Forum Society member experts have contributed significantly to the
standard and members may find a draft MSC-2000 at

Oystein Haugen
Rapporteur MSC-2000


ITU-T 19 November 1999

ITU adopts new releases of SDL and MSC Specification and Description

Geneva � The release 2000 of the widely used specification and design
languages SDL (Specification and Description Language) and MSC (Message
Sequence Charts) have been approved today by Study Group 10 of the ITU
Telecommunications Standardization Sector (ITU-T SG10). SDL and MSC are
description languages for communicating systems. Commercial tools have
supported SDL and MSC as a proven technology and provided the means for
validation, verification, and automatic generation of executable
applications and test cases. SDL and MSC tools now have 32% of the
software development tool market. New tool releases will support the new

standards in the second quarter of 2000.

"These new standards reinforce the long-standing ITU tradition of
a basis for high-quality standards and products", said Houlin Zhao,
of the ITU Telecommunication Standardization Bureau" "Already, the use
SDL to specify Intelligent Network standards has increased the quality
the standards while significantly reducing the time for their
added Amardeo Sarma, Chairman of Study Group 10, noting that SDL and MSC

contribute towards an open and competitive marketplace without being
tied to
specific vendors or proprietary products. The SDL Rapporteur Rick Reed
emphasized the benefit to telecommunication companies and their
"You may not see SDL, but the mobile phone and the services you have
come to
rely on are very likely to have been developed using SDL tools", he

SDL and MSC have been upgraded to meet the challenges and the needs of
in the next Millennium. Known for providing error-free specifications
implementations, the languages now more than ever will cater to modern
dynamic real-time systems. Together these languages form the foundation
formal and attractive industrial specifications of real-time systems of

SDL and MSC were originally designed to specify and describe the
of telecommunication systems and protocols. Today they are also widely
by large telecommunication companies throughout their development
The use of SDL and MSC has spread to other fields, such as aeronautics,
car industry and medicine.

Users of SDL and MSC can analyze, validate and simulate system behaviour

early in the software development process, thereby slashing development
cost. The precise and unambiguous agreement between customers and
on requirements based on SDL and MSC significantly contributes towards
achieving interoperable systems in a multi-vendor environment. SDL
product code to be generated from the high-level specifications.

Following their approval today, the new language standards take effect

-----End text from Oystein Haugen <> to mscnews -----
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