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Re: TTLs for templates

From: Mark Nottingham <mnot@mnot.net>
Date: Wed, 26 Oct 2011 09:53:25 +1100
Cc: "uri@w3.org" <uri@w3.org>
Message-Id: <53A16B4D-1DCA-4975-9554-D794AEDB9E49@mnot.net>
To: Murray S. Kucherawy <msk@cloudmark.com>
If I were doing this, I'd rely on the cacheability of the response to the well-known URI; the server is effectively making a guarantee that the template is good for that period of time.

When defining a well-known URI, you might want to consider defining a "default" freshness lifetime as a heuristic -- i.e., one that only takes effect if the server doesn't set explicit freshness.


On 26/10/2011, at 1:56 AM, Murray S. Kucherawy wrote:

> What general guidance is there on how often one should query for a template from a well-known URI, in case it changes?  A long-running client might have trouble if the server wants a new template for some reason, and the client doesn’t know it should get a new one.
> -MSK

Mark Nottingham   http://www.mnot.net/
Received on Tuesday, 25 October 2011 22:53:56 UTC

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