Changes
/* Standards */
[[Image:ASN.jpg|center|1500 px|thumbnail|<font size = "3">'''WiMAX Network Reference Model '''</font>]]
{|border="2" cellspacing="0" cellpadding="4" width="52%"
|align = "justify"|ASN
|align = "justify"|Access Service Network
|-
|align = "justify"|CSN
|align = "justify"|Connectivity Service Network
|-
|align = "justify"|AAA
|align = "justify"|Authentication, Authorization, & Accounting
|-
|align = "justify"|MS
|align = "justify"|Mobile Station
|-
|align = "justify"|BTS
|align = "justify"|Base station
|-
|}
{|border="2" cellspacing="0" cellpadding="4" width="78%"
|align = "justify" bgcolor = "#33CCCC"|'''Interface'''
|align = "justify" bgcolor = "#33CCCC"|'''Description'''
|align = "justify" bgcolor = "#33CCCC"|'''Functionality'''
|-
|align = "justify" bgcolor = "#33CCCC"|'''R1'''
|align = "justify"|Interface between the MS and the ASN
|align = "justify"|Air interface
|-
|align = "justify" bgcolor = "#33CCCC"|'''R2'''
|align = "justify"|Interface between the MS and the CSN
|align = "justify"|AAA, IP host configuration, mobility management
|-
|align = "justify" bgcolor = "#33CCCC"|'''R3'''
|align = "justify"|Interface between the ASN and the CSN
|align = "justify"|AAA, policy enforcement, mobility management
|-
|align = "justify" bgcolor = "#33CCCC"|'''R4'''
|align = "justify"|Interface between the ASNs
|align = "justify"|Mobility management
|-
|align = "justify" bgcolor = "#33CCCC"|'''R5'''
|align = "justify"|Interface between the CSNs
|align = "justify"|Internetworking,roaming
|-
|align = "justify" bgcolor = "#33CCCC"|'''R6'''
|align = "justify"|Interface between BTS and ASN gateways
|align = "justify"|IP tunnel management to establish and release MS connection
|-
|align = "justify" bgcolor = "#33CCCC"|'''R8'''
|align = "justify"|Interface between the BTSs
|align = "justify"|Handoffs
|-
|}
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