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Re: [Webpush] Receipt subscription follow-up

Martin Thomson <martin.thomson@gmail.com> Wed, 27 April 2016 04:21 UTC

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Date: Wed, 27 Apr 2016 14:21:20 +1000
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From: Martin Thomson <martin.thomson@gmail.com>
To: Costin Manolache <costin@gmail.com>
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Cc: Brian Raymor <Brian.Raymor@microsoft.com>, "webpush@ietf.org" <webpush@ietf.org>
Subject: Re: [Webpush] Receipt subscription follow-up
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On 27 April 2016 at 14:12, Costin Manolache <costin@gmail.com> wrote:
> How does the PS know that AS can accept more receipts, and how does it know
> a receipt has been accepted by the AS ?

There is no explicit h2-layer acknowledgment of a push.  That all
happens implicitly with TCP acks and maybe with flow control acks.  In
HTTP, a server usually doesn't get to learn if its response made it
until the client acts on the response in some way.

However, in this case, can we request that the application server
DELETE (just like the client uses DELETE to acknowledge)?

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