Is there a pool limit using irules to redirect?

We have one virtual server and rather than adding new virtuals for each pool, we are using an irule redirect for new versions/types of servers within their own pools. I just got another request to add 4 more to a virtual server that already has 16 pools. Is there a performance decrease or limit to the number of pools you can add to a virtual server using irules? Is there a better way to handle this? It's working fine now but I'm getting concerned.

 

Thanks,

 

CO

 

 

when HTTP_REQUEST {

 

if {[HTTP::uri] ends_with ".asmx?WSDL"}{

 

set rewrite 1

 

if { [HTTP::version] eq "1.1" } {

 

HTTP::version "1.0"

 

}

 

} else {

 

set rewrite 0

 

}

 

switch [getfield [string tolower [HTTP::uri]] "/" 2] {

 

teste21test {pool test.test_EE_20 }

 

teste21 { pool www.testenterprise.com_e20 }

 

teste30 { pool www.testenterprise.com_e30 }

 

teste30test {pool www.testenterprise.com_e30test }

 

teste3sales { pool www.testenterprise.com_salese3 }

 

testq4pmgint { pool www.testenterprise.com_Q4PMG }

 

se08q4 { pool www.testenterprise.com_08q4 }

 

se08q4uat { pool www.testenterprise.com_08q4uat }

 

se08q4sales { pool www.testenterprise.com_08q4sales }

 

se08q4csgtest { pool www.testenterprise.com_08q4csgtest }

 

teste35test { pool www.testenterprise.com_35test }

 

teste35csg { pool www.testenterprise.com_35CSG }

 

teste35 { pool www.testenterprise.com_35 }

 

teste30csg { pool www.testenterprise.com_e30csg }

 

businessobjects { pool www.testenterprise.com_35CSG }

 

teste21sales { pool www.testenterprise.com_e2sales }