Load Balancing (DNS 輪循負載均衡)

Bind 8

neo@master:~$ cat /var/cache/bind/db.neo.org
@ IN SOA        neo.org. root.neo.org. (
                          200211131 ; serial, todays date + todays serial #
                          28800 ; refresh, seconds
                          7200 ; retry, seconds
                          3600000 ; expire, seconds
                          86400 ) ; minimum, seconds
        NS ns.neo.org.
@       IN A         192.168.0.1
web     IN A         192.168.0.1
mail    IN A         192.168.0.1
@       MX 10 mail.neo.org.

www1 IN A         172.16.0.1
www2 IN A         172.16.0.2
www3 IN A         172.16.0.3
www4 IN A         172.16.0.4

www    IN CNAME        www1.neo.org.
www    IN CNAME        www2.neo.org.
www    IN CNAME        www3.neo.org.
www    IN CNAME        www4.neo.org.
neo@master:~$
		

Bind 9

neo@master:~$ cat /var/cache/bind/db.neo.org
@ IN SOA        neo.org. root.neo.org. (
                          200211131 ; serial, todays date + todays serial #
                          28800 ; refresh, seconds
                          7200 ; retry, seconds
                          3600000 ; expire, seconds
                          86400 ) ; minimum, seconds
        NS ns.neo.org.
@       IN A         192.168.0.1
web     IN A         192.168.0.1
mail    IN A         192.168.0.1
@       MX 10 mail.neo.org.

www IN A         172.16.0.1
www IN A         172.16.0.2
www IN A         172.16.0.3
www IN A         172.16.0.4
www IN A         10.50.1.110
www IN A         10.50.1.131
www IN A         10.50.1.122
neo@master:~$