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Policy and Charging
Control in Evolved
Packet System
Marzena Janiszewska
SSM3 Telekomunikacja
marzenajaniszewska9@gmail.com
Agenda
• Słowo wstępu o PCC i QoS
• Parametry QoS
• Architektura Policy Control
• Rola i zadania PCRF
• Przykład działania
• Reguły PCC
• Opłaty i rachunki
• Rodzaje systemów opłat
Quality of Service
Szybkość przesyłania
danych – bearer’s data
rate
Opóźnienia
- delay
Poziom błędów
– error rate
Quality of Service
gating Autoryzacja jakości usług
Zezwolenie na przepływ pakietu
wraz z QoS zwany POLICY
charging Opłacalność przepływu pakietu
Opłaty offline i online
Charging key
Parametry QoS
Identyfikator klasy QoS:
• Typ zasobów (resource type)
• Utrata pakietu danych (packet error/lose rate)
• Pakiet opóźnień (packet delay budget)
• Priorytet QoS Class Identifier (QCI priority
level)
Czym jest PCC?
• Architektura sterowania zapewniająca operatorom
standardowy mechanizm QoS oraz kontrolę pobierania
opłat.
• Związana z warstwą zarządzania sesją
• Serce EPS
Architektura PCC
Policy charging rules function
• Główny element PCC
• Kontrola i wybór systemu opłat
• Subskrybcja informacji z SPR
• Informacje o usługach z AF
• Wykorzystywane technologie
• Żądanie i pobieranie usług operatora
Reguły PCC
Charging and Billing
• Elastyczny model opłat
• Ilość danych, czas trwania, jakość usług-> koszty
• Dwa rodzaje systemu opłat:
offline charging
online charging
Architektura sytemu offline
CTFs – charging triger function – monitorowanie abonenta
CDFs – charging data function –ładowanie danych abonenta
CDRs- - charging data records – rekord pobierania danych
CGF –charging gateway function – przetworzenie i zgromadzenie w plikach CDR
BD – billing domain – rozliczenie kosztów
Architektura systemu online
RF – rating function
ABMF – account balance management function
Dziękuję za uwagę!

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Policy and Charging Control in Evolved Packet System

  • 1. Policy and Charging Control in Evolved Packet System Marzena Janiszewska SSM3 Telekomunikacja marzenajaniszewska9@gmail.com
  • 2. Agenda • Słowo wstępu o PCC i QoS • Parametry QoS • Architektura Policy Control • Rola i zadania PCRF • Przykład działania • Reguły PCC • Opłaty i rachunki • Rodzaje systemów opłat
  • 3. Quality of Service Szybkość przesyłania danych – bearer’s data rate Opóźnienia - delay Poziom błędów – error rate
  • 4. Quality of Service gating Autoryzacja jakości usług Zezwolenie na przepływ pakietu wraz z QoS zwany POLICY charging Opłacalność przepływu pakietu Opłaty offline i online Charging key
  • 6. Identyfikator klasy QoS: • Typ zasobów (resource type) • Utrata pakietu danych (packet error/lose rate) • Pakiet opóźnień (packet delay budget) • Priorytet QoS Class Identifier (QCI priority level)
  • 7. Czym jest PCC? • Architektura sterowania zapewniająca operatorom standardowy mechanizm QoS oraz kontrolę pobierania opłat. • Związana z warstwą zarządzania sesją • Serce EPS
  • 9. Policy charging rules function • Główny element PCC • Kontrola i wybór systemu opłat • Subskrybcja informacji z SPR • Informacje o usługach z AF • Wykorzystywane technologie • Żądanie i pobieranie usług operatora
  • 10.
  • 12. Charging and Billing • Elastyczny model opłat • Ilość danych, czas trwania, jakość usług-> koszty • Dwa rodzaje systemu opłat: offline charging online charging
  • 13. Architektura sytemu offline CTFs – charging triger function – monitorowanie abonenta CDFs – charging data function –ładowanie danych abonenta CDRs- - charging data records – rekord pobierania danych CGF –charging gateway function – przetworzenie i zgromadzenie w plikach CDR BD – billing domain – rozliczenie kosztów
  • 14. Architektura systemu online RF – rating function ABMF – account balance management function