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C H A P T E R 4 Scenario 2
45
balancing (Rich Mode) can place a heavy burden on the load
balancers. This is ideal for balancing by CPU Utilization. Layer 4
load balancing is typically many short duration connections. In this
case response time can be used as a direct measure of the actual server
farms loading. This is ideal for balancing by Response Time.
The mapping of services to hostnames is also the easiest place to
designate a service standby. If the service had been designated as
standby in the agent record when it was first configured, it would
have no effect. The standby command for an agent or ISV Group is
a shortcut to placing that service in standby in all the hostnames that
use that service at the time the command is issued.
config dns zones div1.mstd-ex.com hostnames
create www
www
method avgresp
siteservices
map site1:10.1.1.100:80
map site2:10.1.2.100:80
map backupsite:10.1.4.100:80
backupsite:10.1.4.100:80 standby
config dns zones div1.mstd-ex.com hostnames
create wwwsecure
wwwsecure
method cpu
siteservices
map site1:10.1.1.100:443
map site2:10.1.2.100:443
map backupsite:10.1.4.100:443
backupsite:10.1.4.100:443 standby
config dns zones div1.mstd-ex.com hostnames
create ftp
ftp
method conn
siteservices