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13.3.5 Non-validating Conditionals Connected: An Internet Encyclopedia
13.3.5 Non-validating Conditionals

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13.3.5 Non-validating Conditionals

13.3.5 Non-validating Conditionals

The principle behind entity tags is that only the service author knows the semantics of a resource well enough to select an appropriate cache validation mechanism, and the specification of any validator comparison function more complex than byte-equality would open up a can of worms. Thus, comparisons of any other headers (except Last-Modified, for compatibility with HTTP/1.0) are never used for purposes of validating a cache entry.


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Connected: An Internet Encyclopedia
13.3.5 Non-validating Conditionals

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