CHAPTER 1. Overview of Mobile WiMAX System
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Access Control Router (ACR)
ACR, which is the system between CSN and RAS, enables several RASs to interwork with
IP network, sends/receives traffic between external network and MS, and controls QoS.
ACR connects to Authentication Authorization Accounting(AAA) server and Policy &
Charging Rules Function(PCRF) server in Diameter protocol method and provides the
interface to NE of CSN.
Mobile WiMAX System Manager (WSM)
WSM provides the management environment for the operator to operate and maintain ACR
and RAS.
Home Agent (HA)
HA accesses other networks or private networks and enables Mobile IP(MIP) users to
access internet. HA interworks with ACR that performs Foreign Agent(FA) function for
Mobile IPv4 and interworks with MS to exchange data for Mobile IPv6.
Authorization, Authentication and Accounting (AAA) Server
AAA server interfaces with ACR and carries out subscriber authentication and accounting
functions. The AAA server interfaces with ACR via Diameter protocol and provides
Extensible Authentication Protocol(EAP) certification.
Policy & Charging Rules Function (PCRF) Server
The PCRF server is the server that manages the service policy and interfaces with ACR via
Diameter protocol. The PCRF server sends QoS setting information for each user session
and accounting rule information to ACR.
Содержание Mobile WiMAX Outdoor RAS SPI-2331
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