TOT to NGN

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TOT to NGN
By Dr. Kamthon Waithayakul EVP, Office of
Engineering TOT Plc.
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British Telecom Moving to 21CN

• Today customers must connect to multiple
  networks to get what they want
• Tomorrow customers connect how they wish,
  services consistent across different access
  technologies, cost leadership

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France Telecom one IT network
Shared Information System
Service Platforms
Control Layer
Gigabit Ethernet
IP / MPLS Backbone
Transmission
Aggregation
Customer Access Network
Core/Backbone networks
?One IT Network is our strategy toward NExT
objectives
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TOTs exiting network
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Standard NGN Architecture
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Technology for the ONE service layer
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TOTs Future Network
IMS
Mobile-IP/ GPRS
METRO LAN
WiMax
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A practical initial implementation
Legacy Networks
Service Node
User Data
3rd Party Applications
IN
ENUM
RCU
Exch
Interworking
Hosting Centre (IPTV ICT)
Voice Soft-switch
DSLAM
BGW
MGW
H.248
Base band POTS
MSAN
SBC
BRAS
NTE
Softphone
MGW
Vision
Service Edge
Service Edge
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Future implementation
Service Node
User Data
IN
ENUM
3rd Party Applications
Hosting Centre (IPTV ICT)
Consumer VoIP APP
Mobile
PSTN
Core Session Control
BGW
H.248
Base band POTS
MSAN
SBC
BRAS
NTE
Softphone
MGW
Vision
Service Edge
Service Edge
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Access Network
3G Mobile)/WiMAX
Access Node
Street MSAN
Copper for Voice and Data (ADSL)
xDSL
MSAN
GE
xDSL
FTTN
PTP
PTMP e.g. GPON
Fibre / Ethernet
Fibre for Enterprise
11
MSAN
12
MINI DSLAM
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Access Network
3G Mobile)/WiMAX
Access Node
Street MSAN
Copper for Voice and Data (ADSL)
xDSL
MSAN
GE
xDSL
FTTN
PTP
PTMP e.g. GPON
Fibre / Ethernet
Fibre for Enterprise
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Conclusion