1. International Telecommunication Union Workshop on End-to-End Quality of Service.What is it? How do we get it? Geneva, 1-3 October 2003 QoS / NP and QSDG activity Luis S. Cardoso QSDG Chairman

2. ITU-T 2 1-3 October 2003 Workshop on End-to-End Quality of Service. What is it? How do we get it? The Quality of Service Development Group ( QSDG ) which is in nature an operational group including a field trial group was created in the Study Group 2 organisation in 1984.

3. ITU-T 3 1-3 October 2003 Workshop on End-to-End Quality of Service. What is it? How do we get it? The original idea came from Mr. C. McCauley from AT&T who felt that, despite their usefulness, the writing of Recommendations as such or drafting a handbook was not enough to improve the quality of service. Telecommunications people need to come together, communicate and help each other, to achieve the best actions for improvements and to have a free exchange of views and ideas in a multilateral environment.

4. ITU-T 4 1-3 October 2003 Workshop on End-to-End Quality of Service. What is it? How do we get it? YEARLOCATIONPARTICIPANTS COUNTRIESCOMPANIES 1984 The Hague32 16 20 1985 Orlando29 16 18 1986 Hong-Kong39 21 25 1987 Manila 51 19 26 1988 Albufeira54 25 31 1989 Bern 50 26 34 1990 Padova 57 25 33 1991 Blois 71 26 39 1992 S. Francisco88 30 42 1993 Rotorua95 35 45 1994 Chester98 36 50 1995 João Pessoa 114 36 54 1996 Cape Town 152 41 66 1997 Baharain 122 37 57 1998 Fiji 111 38 58 1999 Budapest 115 36 60 2000 Montreal 216 54 109 2001 Berlin 141 40 88 2002 Washington DC 103 31 55 2003 Sal Island 48 27 30

5. ITU-T 5 1-3 October 2003 Workshop on End-to-End Quality of Service. What is it? How do we get it? 96 97 98 99 93 87 86 92 85 95 84 88 89 90 91 94 99 01 03 02 00 04 Lyon Meetings around the world 05 Xi’an

6. ITU-T 6 1-3 October 2003 Workshop on End-to-End Quality of Service. What is it? How do we get it? The primary aim of the QSDG is to improve the quality of the international telecommunications services, to the mutual benefit of both the customers and the Organisations

7. ITU-T 7 1-3 October 2003 Workshop on End-to-End Quality of Service. What is it? How do we get it? “Effectiveness and Quality on Multimedia. “Correlation between QoS/NP parameters and NM Control/Actions. “Mobile Issues”. “CLI Services Implementation and other Regulatory Issues” “ATM and QoS/NP Issues” “Operational Aspects of Fraud Prevention and Security their Impact on QoS/NP” “Reliability, Availability of Networks and Services” “Risk Analysis” Key Topics under study

8. ITU-T 8 1-3 October 2003 Workshop on End-to-End Quality of Service. What is it? How do we get it? ASR TIER1999200020012002 > 60%16.1%16.2%15.1%16.2% > 30% < 60%66.7% 66.5% 69.8% 70.9% < 30% 17.2% 17.3% 15.1% 12.9% 2003 QSDG worldwide ASR% yearly Report

9. ITU-T 9 1-3 October 2003 Workshop on End-to-End Quality of Service. What is it? How do we get it? Development of Fax Recommendations Proposed changes on SS7 signalling Rec. Developement of E.xxx serie Recommendations

10. ITU-T 10 1-3 October 2003 Workshop on End-to-End Quality of Service. What is it? How do we get it? BOOKS PUBLISHED DCME HANDBOOK - main author Joe Swanson QoS Measurements and Evaluation of Telecommunications Quality of Service – main author William C. Hardy