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C H A P T E R
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IP Services Gateway Overview
This chapter provides an overview of the IP Services Gateway (IPSG) product.
This chapter covers the following topics:
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Introduction
The IP Services Gateway (IPSG) is a stand-alone device capable of providing managed services to IP flows.
The IPSG is situated on the network side of legacy, non-service capable GGSNs, PDSNs, HAs, and other
subscriber management devices. The IPSG can provide per-subscriber services such as Enhanced Charging
Service, Application Detection and Control, and others.
The IPSG is situated on the network side of legacy, non-service capable GGSNs, PDSNs, HAs, and other
subscriber management devices. The IPSG can provide per-subscriber services such as Enhanced Charging
Service, Application Detection and Control, and others.
The IPSG allows the carrier to roll out advanced services without requiring a replacement of the HA, PDSN,
GGSN, or other access gateways and eliminates the need to add multiple servers to support additional services.
GGSN, or other access gateways and eliminates the need to add multiple servers to support additional services.
IPSG only requires a RADIUS request (access and accounting messages) with all the required mandatory
attributes to create a session. Currently, IPSG supports GGSN (2G, 3G), PDSN, HA, Broadband Remote
Access Server (B-RAS), and limited support on P-GW (4G). For the list of AAA attributes supported by
IPSG, refer to the IP Services Gateway AAA AVP Support appendix.
attributes to create a session. Currently, IPSG supports GGSN (2G, 3G), PDSN, HA, Broadband Remote
Access Server (B-RAS), and limited support on P-GW (4G). For the list of AAA attributes supported by
IPSG, refer to the IP Services Gateway AAA AVP Support appendix.
Qualified Platforms
IPSG is a StarOS
™
application that runs on Cisco
®
ASR 5x00 and virtualized platforms. For additional
platform information, refer to the appropriate System Administration Guide and/or contact your Cisco account
representative.
representative.
IPSG Administration Guide, StarOS Release 19
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