ImageRemote Authentication Dial-In User Service (RADIUS) is a client/server protocol and software that enables remote access servers to communicate with a central server to authenticate dial-in users and authorize their access to the requested system or service. RADIUS allows a company to maintain user profiles in a central database that all remote servers can share.


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High Availability Print E-mail


High Availability (HA) solution provides high availability (failover) capabilities  on system hang, system crash/down and network failures condition. When a main system stop running, then a secondary system will take over to handle calls both incoming and outgoing calls as well as before the main system stop running. This will provides a high availability and minimize failures on the system. The system will synchronize the critical data between two or more systems to get redundancy data.

HA provides a Web-based system management tool that continuously monitors the system availability and performance.  In an event of network error, HA can alert the network administrator to makes a preventive maintenance or troubleshooting of the system. This will protect the information in a Database System and reduces the system failures. If the system goes down, HA automatically notifies the network administrator and writes the detail failures to a log file.


HA solution provides some benefits as follows:

  • Minimize the failures of system that are caused by system hang, system crash/down, and network failures
  • Provides maximum data redundancy because of a real-time data synchronization mechanism
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