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

Martin Thomson <martin.thomson@gmail.com> Wed, 14 October 2015 21:37 UTC

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Date: Wed, 14 Oct 2015 14:37:50 -0700
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From: Martin Thomson <martin.thomson@gmail.com>
To: JR Conlin <jconlin@mozilla.com>
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Subject: Re: [Webpush] Message expiration (TTL) and Negative Acknowledgements
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On 14 October 2015 at 14:09, JR Conlin <jconlin@mozilla.com> wrote:
> 429: This will allow the server to apply "back pressure" to the
> application service in cases where there may be too many incoming
> messages in a short period of time. This response would carry a
> RETRY-AFTER response header indicating the number of seconds that should
> elapse before the remote server should retry transmission of the message.


How is that different from 503?