Query on History-Info.

Hi all,

I had a quick query on History-Info (RFC 4244). Apologies if this has
been discussed already. If so, I would be grateful if you could
provide the pointer to the relevant thread.

Once a proxy determines that it may include the History-Info header
for a particular request (based on local policy, privacy settings etc)
should it insert a History-Info header only if the proxy had done a
retargeting for this request? Or should it insert a History-Info
header irrespective of whether the request uri is changed by itself or
not?

The following text in the RFC: "Note that in the case of loose
routing, the Request-URI does not change during the forwarding of a
Request; thus, the capturing of History-Info for such a request would
result in duplicate Request-URIs with different indices." seems to
suggest that the proxy should always insert the History-Info header
even if the Request-URI is not changed. Is this understanding correct?

Thanks and Regards,
Siddharth
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