RE: SDL-News: Experience report: Save is widely used - also by new SDL users

Subject: RE: SDL-News: Experience report: Save is widely used - also by new SDL users
From: John Sarallo (sarallo#appairent.com)
Date: Wed Jan 07 2004 - 18:52:01 GMT

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MessageAll,

I realize I'm a little late with this response, but I just wanted to say
that I agree strongly with the comments made by Jacqueline (below),
Richard, Susanne, and Laurent.

I am a long time user of SDL, modelling protocols such as UMTS, 802.11, and
802.15.3. Automatic code generation was used to create real-time embedded
software from these models.

I have also formally taught SDL in a classroom setting, so I have first hand
experience with new users learning and using the Save construct.

Regards,

John Sarallo
-----------------------------------
The Answer is Appairent!
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John Sarallo
Senior Protocol Engineer
Appairent Technologies, Inc.
150 Lucius Gordon Drive
Suite 211
West Henrietta, NY 14586 USA
Phone: (585) 214-2468
Mobile: (585) 727-2014
Fax: (585) 214-2461
mailto:john.sarallo#appairent.com
-----------------------------------

  -----Original Message-----
  From: owner-sdlnews#sdl-forum.org [mailto:owner-sdlnews#sdl-forum.org]On
Behalf Of Floch Jacqueline
  Sent: Friday, December 19, 2003 4:17 AM
  To: 'members#sdl-task-force.org'; 'William H. Skelton'
  Cc: 'sdlnews#sdl-forum.org'
  Subject: SDL-news: Experience report: Save is widely used - also by new
SDL users

  Dear All,

  As a contribution to the debate "SDL in danger", I would like to report
some of my experience.

  I have been working with and using SDL the last 15 years in various ways:

  - I have developed various embedded and telecom systems using SDL.
  - I have developed several SDL runtime systems. Among them some are used
in embedded systems with limited memory space.
  - I have introduced SDL as as part of a model driven development approach
in several Norwegain companies.
  - I have developed a flexible code generation approach from SDL to various
programming languages (C, C++, OCCAM, Plex, Java) and execution platforms.

  My long and wide experience with SDL leads to the following observartions:
  - save is easy to undertand and to use.
  - save is essential - both for modelling the postponing of signal
processing and for modelling
  the coordination of concurrent initiatives.
  - save can be easily supported by run-time systems.
  - save is widely used by SDL users in Norway (note they are many SDL users
in Norway).

  In my opinion, the removal of save will not simplify the language, but
rather add complexity to modelling.

  Regards,
  Jacqueline Floch

  Jacqueline Floch
  Dr.ing. - Research scientist
  ______________________________
  SINTEF Telecom and Informatics
  NO-7465 Trondheim, Norway
  Phone: +47 73 59 30 12
  Telefax: +47 73 59 29 77

-----Original Message-----
From: owner-sdlnews#sdl-forum.org [mailto:owner-sdlnews#sdl-forum.org]On Behalf Of Floch Jacqueline
Sent: Friday, December 19, 2003 4:17 AM
To: 'members#sdl-task-force.org'; 'William H. Skelton'
Cc: 'sdlnews#sdl-forum.org'
Subject: SDL-News: Experience report: Save is widely used - also by new SDL users

Dear All,

 

As a contribution to the debate "SDL in danger", I would like to report some of my experience.

 

I have been working with and using SDL the last 15 years in various ways:

 

- I have developed various embedded and telecom systems using SDL.

- I have developed several SDL runtime systems. Among them some are used in embedded systems with limited memory space.

- I have introduced SDL as as part of a model driven development approach in several Norwegain companies.

- I have developed a flexible code generation approach from SDL to various programming languages (C, C++, OCCAM, Plex, Java) and execution platforms.

 

My long and wide experience with SDL leads to the following observartions:

- save is easy to undertand and to use.

- save is essential - both for modelling the postponing of signal processing and for modelling

the coordination of concurrent initiatives.

- save can be easily supported by run-time systems.

- save is widely used by SDL users in Norway (note they are many SDL users in Norway).

 

In my opinion, the removal of save will not simplify the language, but rather add complexity to modelling.

 

Regards,

Jacqueline Floch

 

 

Jacqueline Floch
Dr.ing. - Research scientist
______________________________
SINTEF Telecom and Informatics
NO-7465 Trondheim, Norway

Phone:    +47 73 59 30 12
Telefax:  +47 73 59 29 77