I have one question dealing with client variables. The text at the end was
taken from CF Help. I have a few questions...
1. "If ID and token combinations already exist on each host in the cluster"
How does each server know of the existence of other cfid/cftoken
combinations on other servers?
2. "common domain-level cookie" Where exactly is this domain-level cookie
stored? In the client variable repository? ie. registry or db
3. If a client is smart enough to ask me if two servers can create the same
cfid/cftoken combination, am I supposed to say that CF 'magically' takes
care of it?
So, if anyone out there can explain exactly how this works I would greatly
appreciate it.
"ColdFusion 4.5 provides several client variable attributes in the
CFApplication tag that allow you to maintain application state across a
cluster when using server-side client variables. These attributes enable
client variable management and set CFID and CFTOKEN cookies at the domain
level (for example, .allaire.com). If ID and token combinations already
exist on each host in the cluster, ColdFusion migrates the host-level
cookies on each cluster member to the single, common domain-level cookie.
Following the setting or migration of host-level cookies to a domain-level
cookie, ColdFusion creates a new cookie (cfmagic) that tells ColdFusion that
domain cookies have been set.
This domain-level cookie allows a ColdFusion application to maintain
specific client information across a server cluster."
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