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What is "caching restrictiveness hierarchy is violated"?

msnews.microsoft.com

11/1/2002 4:33:00 AM

1 Answer

(Bill Cheng (MS))

11/3/2002 11:47:00 AM

0

Hi,

It indicates that whether ASP.NET output cache will respect your settings.

Many HTTP cache related directives have a hierarchy of restrictiveness. For
a given mechanism (say the cacheability of a document), there exists a set
of options ranging from permissive options (cache this response anywhere)
to restrictive options (only cache this response on the client, not on a
shared cache or never cache this response at all).

The ASP.NET output cache will always attempt to preserve the most
restrictive setting for a given mechanism.


This posting is provided "AS IS" with no warranties, and confers no rights.

Regards,

Bill Cheng
Microsoft Support Engineer
--------------------
| From: "msnews.microsoft.com" <I_hate_spammers@nowhere.com>
| Subject: What is "caching restrictiveness hierarchy is violated"?
| Date: Thu, 31 Oct 2002 21:33:40 -0600
| Lines: 54
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| X-Tomcat-NG: microsoft.public.dotnet.framework.sdk
|
| .NET SDK have following passage under help for
"HttpCachePolicy.SetLastModified Method "
| "The Last-Modified HTTP header time stamps the document with the DateTime
value indicating when the document was last modified.
| This method will fail if the caching restrictiveness hierarchy is
violated."
| What is "caching restrictiveness hierarchy"? No search on SDK or google
produced any results.
| Greg
|