1. ITU workshop, Geneva 19 July 2004 SDL Forum Society work towards standards Rick Reed TSE Ltd NOT as either SDL Forum Society Chairman or ITU-T Q.N/17 rapporteur

2. ITU workshop, Geneva 19 July 2004 Before the Society SDL Forum Meetings o Every two years from 1983 o Initially Specification & Description Language o By 1989 (4th) included at least Message Sequence Chart o Fees at 4th Forum (small profit) o Non-profit organisation 5th Forum

3. ITU workshop, Geneva 19 July 2004 Formation of the Society o 1993Darmstadt permanent Society o 1995 Officially constituted o 1996Scope promotion not standards WWW site to be set up Membership fees introduced o 1997 Society as it is now First emeetings? o 1998 First SAM workshop o 1999 SDL-2000 jointly produced Society linked to ITU, meetings joint.

4. ITU workshop, Geneva 19 July 2004 Role wrt Recommendations o Promote ITU System Design Languages X.680 …, Z.120…, Z.100 …, Z.140 … o Participated in standards (Z.100, Z.120) o Obtain feedback from members o Role on methodology (?) o Led to formation of SDL Task Force o Now proposes a Z.100 Working Group

5. ITU workshop, Geneva 19 July 2004 Z.100 Working Group o Objectives texts for Z.100 and related documents can be proposed to ITU-T (+others) o Participants: Society Members (+others) o Working methods based on ITU-T Rec. A.1 email, shared ftp (open to WG+Soc. Members) meetings e + physical ( =3mn) liaison with ITU-T, joint meetings o Initial focus Z.100 features wrt UML + other issues Z.100 wrt other languages

6. ITU workshop, Geneva 19 July 2004 Other SDL Forum Society Activities o Workshop on Integrated reliability with Telecoms and UML Languages (WITUL) (with Göttingen University) Tues 02 Nov - ITU-T langs. evolution Output -> ITU-T and published COMNET o Contacting organisations on use of SDL o Sharing of course + promotion material