International Telecommunication Union
Workshop on End-to-End Quality of Service.What is it? How do we get it?
Geneva, 1-3 October 2003

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

ITU-T
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.
1-3 October 2003
Workshop on End-to-End Quality of Service. What is it? How do we get it?
3

YEAR LOCATION PARTICIPANTS COUNTRIES COMPANIES
ITU-T
1984 The Hague
1985 Orlando
1986 Hong-Kong
1987 Manila
1988 Albufeira
1989 Bern
1990 Padova
1991 Blois
1992 S. Francisco
1993 Rotorua
1994 Chester
1995 João Pessoa
71
88
95
98
114
32
29
39
51
54
50
57
26
30
35
36
36
16
16
21
19
25
26
25
1996 Cape Town
1997
152 41 66
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
Workshop on End-to-End Quality of Service. What is it? How do we get it?
39
42
45
50
54
20
18
25
26
31
34
33
1-3 October 2003
4

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

ITU-T
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
1-3 October 2003
Workshop on End-to-End Quality of Service. What is it? How do we get it?
6

ITU-T
 “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”
Workshop on End-to-End Quality of Service. What is it? How do we get it?
7
1-3 October 2003

ITU-T
2003 QSDG worldwide ASR% yearly Report
ASR TIER
> 60%
> 30% < 60%
< 30%
1999 2000 2001 2002
16.1% 16.2% 15.1% 16.2%
66.7% 66.5% 69.8% 70.9%
17.2% 17.3% 15.1% 12.9%
1-3 October 2003
Workshop on End-to-End Quality of Service. What is it? How do we get it?
8

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

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