Chapter 1
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Working with Global Availability Load Balancing
This chapter describes the components of the Global Availability load
balancing mode.
Adding a 3-DNS Controller to an Existing Network
This chapter describes the tasks you complete to configure an additional
3-DNS Controller in a network that already contains one or more 3-DNS
Controllers.
Choosing a configuration tool
The 3-DNS Controller provides several web-based and command line
administrative tools that make for easy setup and configuration. Use the
following overview to help you decide when each utility is best used.

Setup utility

The Setup utility is a wizard that walks you through the initial system setup.
The utility helps you quickly define basic system settings, such as a root
password and the IP addresses for the interfaces that connect the 3-DNS
Controller to the network. The Setup utility also helps you configure access
to the 3-DNS web server, which hosts the web-based Configuration utility,
as well as the NameSurfer™ application that you can use for DNS zone file
management.

Configuration utility

The Configuration utility is a web-based application that you use to
configure and monitor the 3-DNS Controller. Using the Configuration
utility, you can define the load balancing configuration along with the
network setup, including data centers, sync groups, and servers used for load
balancing and path probing. In addition, you can configure advanced
features such as topology settings and SNMP agents. The Configuration
utility also monitors network traffic, current connections, load balancing
statistics, performance metrics, and the operating system itself. The home
screen of the Configuration utility provides convenient access to downloads
such as the SNMP MIB, and documentation for third-party applications
such as NameSurfer.

NameSurfer application

The NameSurfer application is a third-party application that automatically
configures DNS zone files associated with domains handled by the 3-DNS
Controller. You can use NameSurfer to configure and maintain additional
DNS zone files on a 3-DNS Controller that runs as a primary DNS server.
The Configuration utility provides direct access to the NameSurfer
application, as well as the corresponding documentation for the application.