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Re: [core] draft-hartke-core-stateless

Klaus Hartke <klaus.hartke@ericsson.com> Wed, 12 September 2018 08:35 UTC

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From: Klaus Hartke <klaus.hartke@ericsson.com>
To: 'Core' <core@ietf.org>
Thread-Topic: [core] draft-hartke-core-stateless
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Date: Wed, 12 Sep 2018 08:35:23 +0000
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Subject: Re: [core] draft-hartke-core-stateless
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Christian Amsüss wrote:
> > But proxies also generate responses themselves, e.g., from cached
> > responses or in case of errors (5.02, 5.04). We don't want clients to
> > receive the extended token from another client or no extended token at
> > all when a proxy does not support the option.
> 
> As long as the option is part of the cache key, any cached response would
> need to have a matching request Extended-Token and thus would have a
> matching response Extended-Token as well.

I don't think it's very desirable to require tokens to match when serving a cached response.

And there's still the other half of the problem: An unaware proxy won't include the option in responses it generates itself.

Klaus

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