Cisco Cisco Access Registrar 5.1 Release Notes

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Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA
Release Notes for Cisco Access Registrar, 5.1
Cisco Access Registrar is a high performance, carrier class RADIUS/Diameter solution that provides 
scalable, flexible, intelligent authentication, authorization, and accounting (AAA) services and 
Diameter signaling traffic control.
Cisco Access Registrar comprises a RADIUS/Diameter server designed from the ground up for 
performance, scalability, and extensibility for deployment in complex service provider environments 
including integration with external data stores and systems. Session and resource management tools 
tracks user sessions and allocate dynamic resources to support new subscriber service introductions.
Cisco Access Registrar Diameter Routing Agent (DRA) provides such infrastructure, allowing complex 
mesh interconnections of these new network elements in order to:
adequately manage the traffic 
perform appropriate load balancing for congestion control and roaming support
provide intelligent message routing (routing to the appropriate elements) that can be customized to 
easily adopt to unique requirements
allow binding of different protocol interfaces corresponding to a subscriber.
Note
Cisco AR 5.1 can be used with Solaris 10, or Red Hat Enterprise Linux (RHEL) 5.3/5.4/5.5 32-bit/64-bit 
operating system using kernel 2.6.18-128.el5 or later versions of 2.6, and Glibc version: glibc-2.5-34 or 
later.
Note
Support for RHEL 5.11 is available from Access Registrar version 5.1.0.10.
Contents 
This release note contains the following sections: