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.