Description of the Network Structure

Transcription

Description of the Network Structure
Description of the Network Structure
A1: Public Switched Telephone Network (PSTN)
A2: Broadband Network
A3: Next Generation Network (NGN)
Public Switched Telephone Network (PSTN)
Other Networks: International
Other Networks: National
Voice Telephony
SU:I
SU:N
SU:L
SU:L Switching Unit Local Telephone Network
SU:N Switching Unit National Network
SU:I Switching Unit International Network
Source: Czernich, Nina, Oliver Falck, Thomas Kiessl und Tobias Kretschmer , "Regulierung in Telekommunikationsmärkten:
Technologische Dynamik und Wettbewerbspotentiale", ifo Schnelldienst 61 (19), 2008, 19-26.
Broadband Network
Network Level:
Access Network
DSLAM
The DSLAM (Digital Subscriber Line Access
Multiplexer) transforms the analog signal
into a digital signal and feeds the signal into
the broadband concentration network.
Concentration Network
Core Network
BRAS
The BRAS (Broadband Remote Access
Server) combines the data traffic of a
region and feeds it into the Core Network.
Source: Czernich, Nina, Oliver Falck, Thomas Kiessl und Tobias Kretschmer , "Regulierung in Telekommunikationsmärkten: Technologische Dynamik
und Wettbewerbspotentiale", ifo Schnelldienst 61 (19), 2008, 19-26 following Anell, Jay und Plückebaum, „Nachfrage nach Internetdiensten –
Dienstearten, Verkehrseigenschaften und Quality of Service“, wik Diskussionsbeitrag 302, 2007.
Next Generation Network (NGN)
Services
Core Network
GSM
DSL
Cable
GPRS
UMTS
FTTH
WIMAX
WIMAX
Mobile
Source: Czernich, Nina, Oliver Falck, Thomas Kiessl und Tobias Kretschmer, "Regulierung in Telekommunikationsmärkten: Technologische Dynamik
und Wettbewerbspotentiale", ifo Schnelldienst 61 (19), 2008, 19-26.