Network Router User Manual
Web OS 10.0 Application Guide
396
Chapter 15: Content Intelligent Switching
212777-A, February 2002
The switch is preconfigured with a list of 13 noncacheable items that you can add to, delete, or
modify. These items are either known dynamic content file extensions or dynamic URL
parameters, as described below:
n Dynamic content files:
Common gateway interface files (.cgi)
cold fusion files (.cfm), ASP files (.asp)
BIN directory
CGI-BIN directory
SHTML (scripted html)
Microsoft HTML extension files (.htx)
executable files (.exe)
n Dynamic URL parameters: +, !, %, =, &
Figure 15-5 URL-Based Web Cache Redirection
Requests matching the URL are load balanced among the multiple servers, depending on the
metric specified for the real server group (leastconns is the default).
Web Cache Redirector
Non-HTTP GET
GET/www.hostc.com/cgi-bin/script.bin
GET/http://finance.yahoo.com/q?s=hwp%2C+ibm%d=v1
GET/product/Webswitch.html
GET/company/information.html
GET/company/imag
es/switch.gif
Internet
Host A
Implicit load balancing
within the group
/product
information
Host B
Host C
images
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$
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