QoS Recherche des critères, paramètres et indicateurs pertinents pour les utilisateurs
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Transcript QoS Recherche des critères, paramètres et indicateurs pertinents pour les utilisateurs
QoS
Recherche des critères, paramètres
et indicateurs
pertinents pour les utilisateurs
Réunion QOSTIC
Paris 10 Décembre 2003
P-Y Hébert - AFUTT/ETSI
3/12/2003
1
Lacks in current standards
In the following slides:
This colour means: QoS parameter covered in one existing
standard from the end-user point of view
This colour means: QoS parameter covered in one existing
standard for measurement method
Therefore work is needed everywhere it's blue
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Lacks in current standards
Provision
Preliminary information
Supply time for service access
Completion efficiency
Contract clarity
Contract flexibility
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Lacks in current standards (2)
Operation
Service availability
Coverage (mobile networks)
Unsuccessful call ratio
Set-up swiftness
Absence of dropouts
Speech or data quality
Flow rate or transactions time
Number of call to report fault.
Exchange security
Terminal protection
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Lacks in current standards (3)
Customer services
Swiftness of after-sales service to answer calls
Efficiency of after-sales service
Swiftness to repair
Availability of operator services
Efficiency of help line
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5
Lacks in current standards (4)
Billing
Bill correctness/Accuracy (counting and tariff)
Bill presentation quality
Number of claims
Response time for admin/billing enquiries
Other services
Directory service availability
Response time
Relevance of the answers
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Next steps:
EG 202 009 QoS parameters review
EG 202 009 revision
Have it acknowledged by the European and
national regulation
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EG 202 009 Parameter Review
Each QoS parameter belongs to one of the
4 following QoS Criteria
Availability
Aset
of parameters is to define (incl. acceptable
Reliability
range)
in each of the application segments and
Response time
subsegments:
Capacity
Audio
Video
Data
Background applications and Others
Fax
Newsgroups, etc
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EG 202 009 Parameter Review (ctd)
Application segments and subsegments
Audio:
Telephony
Voice messaging
Streaming audio
Video:
Videophone
Oneway video
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EG 202 009 Parameter Review (ctd)
Application segments and subsegments
Data:
Web browsing
Bulk data transfer/retrieval (FTP)
High priority transaction services (E-commerce)
Command/control
Still image
Interactive games
Telnet
E-mail (Server Access)
Instant messaging
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EG 202 009 Parameter Review (ctd)
Application segments and subsegments
Background applications:
Fax
Low priority transaction services (SMS)
E-mail (server to server transfer)
Newsgroups (Usenet)
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QoS Parameter Review (ctd)
The existing EG 202 009 parameters have
to be reviewed to conform to the 4 criteria
and appropriate segmentation
The missing QoS Parameters shall be
defined
A tentative framework for this revision for
discussion during this meeting
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EG 202 009 revision
Provision: a lot to add
Operation: several aspects to add
Mobile QoS (coverage, GPRS, etc)
Internet QoS.
Exchange security
Terminal protection
etc
Customer services
Billing
Correctness/Accuracy
Bill presentation quality
Response time for admin/billing enquiries
and many others ...
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13
EG 202 009 revision
Beside the parameter review, provide
guidance to the user needs analysis for the
definition of appropriate classes of services
(Part 1) see ITU-T G1010
In addition to the end-to-end QoS concept
(same parameter whatever the bearer
network) define the perimeter for QoS
parameter measurement.
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EG 202 009 revision (ctd)
Tentative measurement perimeters:
Over the supplier networks
Switched communications over fixed network
Switched communications over mobile network
Switched communications from fixed to mobile
terminals
Switched communications from mobile to fixed
terminals
IP communications over fixed network
IP communications over mobile network
Switched communications over international
fixed networks
Switched communications over international
Mobile Networks
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THANKS FOR YOUR ATTENTION
Comments
welcomed
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