MAP Messages
1
Overview
This reference guide describes the interface between the SCG and multiple Home
Location Registers (HLRs) in the context of managing a wireless services gateway (the
SCG) for performing authentication/authorization and for unsolicited change of
authorization.
The SCG product has the MAP Gateway module to provide the interface to multiple
HLRs. in order to perform authentication/ authorization and for unsolicited change of
authorization. The MAP Gateway is responsible for initiating MAP queries with the UE's
home HLR. Since the MAP Gateway may interface with multiple HLRs, the route to the
home HLR is selected based on the realm information found in the attribute, User-Name(1)
in RADIUS Access-Request messages received at the RADIUS server.
The interface between the SCG (MAP Gateway process) and the HLR uses the GSM
MAP protocol (3GPP TS 29.002 Release 6) over TCAP/SCCP over Sigtran M3UA as
described in RFC 4666.
Figure 1: MAP message flow between the SCG and HLR on page 11 shows the MAP
message flow between the SCG and HLR. The SCG can connect to HLR directly or
through STP (Signal Transfer Point) based on the configuration settings in the user
interface. It is not mandatory that the SCG connects to HLR through STP. The SCG
allows for a direct connection.
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Ruckus Wireless™ SmartCell Gateway™ 200 HLR Interface Reference Guide for SmartZone™ 3.5.1
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