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
ITU-T 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.
ITU-T 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.
ITU-T October 2003 Workshop on End-to-End Quality of Service. What is it? How do we get it? YEARLOCATIONPARTICIPANTS COUNTRIESCOMPANIES 1984 The Hague Orlando Hong-Kong Manila Albufeira Bern Padova Blois S. Francisco Rotorua Chester João Pessoa Cape Town Baharain Fiji Budapest Montreal Berlin Washington DC Sal Island
ITU-T October 2003 Workshop on End-to-End Quality of Service. What is it? How do we get it? Lyon Meetings around the world 05 Xi’an
ITU-T 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
ITU-T 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
ITU-T October 2003 Workshop on End-to-End Quality of Service. What is it? How do we get it? ASR TIER > 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
ITU-T 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
ITU-T 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