Re: [calsify] WGLC for draft-ietf-calext-subscription-upgrade

"Neil Jenkins" <neilj@fastmailteam.com> Fri, 22 November 2019 03:28 UTC

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Date: Fri, 22 Nov 2019 11:28:08 +0800
From: Neil Jenkins <neilj@fastmailteam.com>
To: calsify@ietf.org
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Subject: Re: [calsify] WGLC for draft-ietf-calext-subscription-upgrade
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On Thu, 21 Nov 2019, at 01:30, Michael Douglass wrote:
> 5. Header Field: Sync-Token 
>> Why is this a URI? It's unclear to me the purpose of that, especially given the spec says:
> because it has to be in WebDAV sync

OK, but this is not WebDAV. The reason given in WebDAV is so you can use it with an `If` header field, which is WebDAV specific I believe so not relevant here. An opaque token removes an unnecessary constraint for implementors; they can always use a URL if they want (e.g. if they are basing this off a WebDAV backend) but don't have to.

Neil.