DNS Configuration and Management Manual (G06.27+, H06.05+, J06.03+)

Scaling DNS
HP DNS Configuration and Management Manual—529432-003
4-3
DNS Round-Robin Address Rotation
different IP addresses on a rotating basis. This method of dividing network traffic uses
a DNS feature called DNS round-robin address rotation.
This method is appropriate for a public network.
Note. Round-robin address resolution is the default DNS configuration; unless you add an
option statement to the named.conf file that specifies no-round-robin, round-robin
address resolution is enabled.
Figure 4-2. DNS Round-Robin Address Rotation
vst029.vsd
Webserver 1 Webserver 2 Webserver 3 Webserver 4
Four servers for MyCompany.com
DNS server
(named)
The name server returns the IP addresses of the
WebServers for MyCompany.com on a rotating basis
so that the network traffic is distributed among the
four network interfaces
1.1.1.1
1.1.2.1
1.1.3.1
1.1.4.1