Alteon Application Switch Operating System Application Guide
Persistence
586 Document ID: RDWR-ALOS-V2900_AG1302
and its contents. In a more complex application, the cookie may be encoded so that it actually
contains more data than just a single key or an identification number. The cookie may contain the
user's preferences for a site that allows their pages to be customized.
Note: If the cookie expiration time is greater than the /cfg/slb/virt x/service x/ptmout
value, timed-out requests will not be persistent.
Figure 92 - Cookie-Based Persistence, page 586
illustrates how cookie-based persistence works:
Figure 92: Cookie-Based Persistence
The following topics discussing cookie-based persistence are discussed in this section:
• Permanent and Temporary Cookies, page 586
• Cookie Formats, page 587
• Cookie Properties, page 587
• Client Browsers that Do Not Accept Cookies, page 587
• Cookie Modes of Operation, page 588
• Configuring Cookie-Based Persistence, page 591
Note: When both cookie-based pbind is used and HTTP modifications on the same cookie header
are defined, Alteon performs both. This may lead to various application behaviors and should be
done with caution.
Permanent and Temporary Cookies
Cookies can either be permanent or temporary. A permanent cookie is stored on the client's browser
as part of the response from a Web site's server. It is sent by the browser when the client makes
subsequent requests to the same site, even after the browser has been shut down. A temporary
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