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Re: What is an "up to date" version?

From: Ed - 0x1b, Inc. <w3c@0x1b.com>
Date: Sat, 28 Oct 2017 19:11:56 -0700
Message-ID: <CAO2XAM4W-=2uwFrTio3DGPsxFpVxcqHj1xMB+5PbafrFGN7Dcg@mail.gmail.com>
To: public-webid <public-webid@w3.org>
I would guess an up to date etag is typical for cache freshness.
https://en.wikipedia.org/wiki/HTTP_ETag

On Sat, Oct 28, 2017 at 2:10 PM, Martynas Jusevičius
<martynas@atomgraph.com> wrote:
> Hi,
>
> I'm implementing a cache for WebID graphs to improve performance. I was
> looking at WebID-TLS 4.1 Authentication sequence, which says:
> "If the WebID Verifier has an up to date version of the graph in its graph
> cache then it can return it."
> https://dvcs.w3.org/hg/WebID/raw-file/tip/spec/tls-respec.html#authentication-sequence
>
> The phrase "up to date" is repeated multiple times later on, but not defined
> anywhere.
>
> So what is it and who decides that -- the implementor? For how long am I
> supposed to safely cache the graphs?
>
>
> Martynas
> atomgraph.com
Received on Sunday, 29 October 2017 02:13:09 UTC

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