NGN architecture
NGN architecture
NGN architecture
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Fundamental characteristic summary<br />
C. Lee and D. Knight, “Realization of the Next-Generation<br />
Network”<br />
Pre-<strong>NGN</strong><br />
Video<br />
services<br />
(TV,<br />
movie,<br />
etc.)<br />
Telephone<br />
services<br />
Data<br />
services<br />
(www,<br />
email,<br />
etc.)<br />
Video<br />
services<br />
network<br />
Telephone<br />
services<br />
network<br />
Data<br />
services<br />
network<br />
New policy regulation<br />
environment (horizontal)<br />
New business<br />
environment (compositional)<br />
Service-based policy/regulation<br />
Voice Internet Video MM<br />
Pol.<br />
reg.<br />
Access network<br />
provider domain<br />
ANP 1 (DSL)<br />
Service/application<br />
provider domain<br />
SP1 SP2 SP3<br />
SPm<br />
ANP 2 (DSL)<br />
IP (future packet ?) platform<br />
Pol. X<br />
Reg. x<br />
ANP 3 (Opt)<br />
CNP<br />
1<br />
CNP<br />
2<br />
xDSL/optic based fixed-mobile<br />
User<br />
ANP N (cable)<br />
CNP<br />
3<br />
Resource-based pol./reg.<br />
Core network<br />
provider domain
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