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Re: [Webpush] Message expiration (TTL) and Negative Acknowledgements

Martin Thomson <martin.thomson@gmail.com> Tue, 13 October 2015 22:14 UTC

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Date: Tue, 13 Oct 2015 15:14:18 -0700
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From: Martin Thomson <martin.thomson@gmail.com>
To: Brian Raymor <Brian.Raymor@microsoft.com>
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Subject: Re: [Webpush] Message expiration (TTL) and Negative Acknowledgements
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On 13 October 2015 at 15:10, Brian Raymor <Brian.Raymor@microsoft.com> wrote:
>
> This would be a case where the application server should still receive a negative acknowledgement for expiration because it has no awareness that the push server could not honor its advertised TTL.  It's closer to the failure case where a push server ceases to retry delivery of a message prior to its expiration perhaps due to an unresponsive user agent.

This doesn't need to be reported any differently from the case where
the push service tried 10 times and gave up.

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