ARTICLE: Designing multi-site RADIUS systems

Network RADIUS marketing at
Tue Jun 8 20:24:56 CEST 2021

** Designing multi-site RADIUS systems 

Some organizations and ISPs can use a central RADIUS service for all of their RADIUS needs. This configuration is possible when there are a small number of users, or system load is low. However, when there are a large number of users spread across a wide geographic region, it may be beneficial to use a multi-site approach. As with all solutions, this approach has benefits and costs. 

 ** Recommendation: Allocate more than one primary directory service instance 
 It is already common practice to set up a primary directory service instance at the main data center for storing usernames and passwords. Additional data centers will usually have a secondary instance of this identity store that is simply a “clone” of the primary. Any changes to user information are made on the primary instance, and then copied to all the secondary ones. 

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