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Chapter 1 - System Description
Generation of authentication key material
QoS service flow authorization entity
AAA accounting client
The basic EP functionality of the ASN-GW includes:
Classification of downlink data into generic routing encapsulation (GRE)
tunnels
Packet header suppression functionality
DHCP functionality
Handover functionality
The WIMAX Forum NWG has adopted two different approaches for ASN
architecture - centralized and distributed: In the centralized approach there is at
least one central ASN-GW, and the BTS operates in transparent mode, as shown
in
Figure
BreezeMAX Extreme
1-3.
Figure 1-3: Centralized Network Reference Model
8
WiMAX Network Architecture
System Manual
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