Post on 14-Apr-2016
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Orange Romania
Serviciul de Date Mobile
Mihai LucaMobile Data Service Manager
2010
Orange Romania
2
Confidential
Mobile Data Service – Cuprins
1. Evolutia traficului
2. Arhitectura serviciului 3. Performanta Echipamentelor Vs Performanta Serviciilor
4. Cateva exemple
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1. Evolutia traficului de date mobile
In ultimi 2 ani Internetul Mobil a devenit serviciul cu cea mai mare crestere, atat in Orange cat si in alte retele din lume.
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2. Arhitectura Serviciului de Date Mobile
SGSN - Serving GPRS Support Node BSC – Base Station ControllerGGSN - Gateway GPRS Support Node RNC – Radio Network ControllerMFS- Multi-BSS Fast packet ServerCSG – Content Service GatewayISP – Internet Service Provider
Aprox Aprox
3000 200
Apox Aprox
1000 10
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3. Performanta Echipamentelor Vs Performanta Serviciilor
Alcatel/ RNO
Huawei/ Nastar
Cacti
End to End Test
Sigos
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3 Performanta si monitorizarea Serviciilor
Probleme pe Access network
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3 Performanta Serviciilor
Probleme pe Core network
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4. Cateva exemple
1) Browsing
Clientul: “Ma conectez dar nu mi se incarca nicio pagina….”
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4. Cateva exemple
1) Browsing
Cauza: DNS nu raspunde la interogari.
NOK
OK
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4. Cateva exemple
Clientul: “De ieri paginile de internet se incarca foarte greu …” sau
“ am viteza mica de download…”
2) Viteza de Dowload
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4. Cateva exemple
DL speed ( with UL 384)
avg = 2425kb/s
max = 5207kb/s
DL speed ( with UL 64) =
avg = 1487 kb/s
max = 4530kb/s
Gain – 63% Average speed
- 56% Loading page time
UL 384 speed :
avg = 174kb/s
max = 343kb/s
CE Used = 160
UL 64 speed =
avg = 108kb/s
max = 233kb/s
CE Used = 180
3) Cum putem imbunati experienta clientului
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4. Cateva exemple
5MB
DL (with the UL 384)
DL (with the UL64)
V medie 3960 kbps 3621 kbpsV max 5845 kbps 5867 kbps
5MB
UL (384) UL (64)
V medie 85 kbps 61 kbps
V max 123 kbps 97 kbps
UL CE 110 kbps 70 kbps
Diferenta de viteza pe DL datorita limitarii
vitezei pe UL
3) Cum putem imbunati experienta clientului
Orange Romania
Intrebari…
Mihai Luca
mihai.luca@orange-ftgroup.com
Orange Romania
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Confidential
Multumesc!
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4. Cateva Exemple
Exemplu de problema pe Firewall
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1. Evolutia traficului
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Stabilirea unei sesiuni
RRC: Conection request
RRC: Conection setup
RRC: Conection setup complete
RRC: Initial direct transfer
RANAP:UE Initial message
Direct transfer - authentification & ciphering request
Direct transfer - authentification & ciphering response
Security mode command
Security mode complete
Activate PDP context request
Create PDP context request
Create PDP context response
Activate PDP context accepted
Stabilirea unei sesiuni
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