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Re: [Storagesync] Storagesync Digest, Vol 5, Issue 1

"Fei Song" <fsong@bjtu.edu.cn> Sun, 06 December 2015 04:14 UTC

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Date: Sun, 06 Dec 2015 12:14:08 +0800
From: Fei Song <fsong@bjtu.edu.cn>
To: Markus Unterwaditzer <markus@unterwaditzer.net>
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Cc: storagesync <storagesync@ietf.org>
Subject: Re: [Storagesync] Storagesync Digest, Vol 5, Issue 1
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Hi,


--------------
Fei Song
>On Thu, Dec 03, 2015 at 02:38:05PM +0000, Ted Lemon wrote:
>> Thursday, Dec 3, 2015 6:00 AM Linhui Sun wrote:
>> > However I'd prefer HTTP rather than WebDAV. Since I still think WebDAV is
>> > not suitable for today's sync service. The frequency of operations is far
>> > higher than what WebDAV expects. For example, frequently sending propfind
>> > to detect changes is not a good way in my view.
>> 
>> WebDAV is HTTP.   However, your point about propfind is correct--that doesn't
>> scale.   What you want is a separate layer for dealing with synchronization
>> of metadata.   You could use HTTP transport to do this, but not propfind.
>
>We do have that separate layer in the form of
>https://www.ietf.org/rfc/rfc6578.txt and so far only a handful of FOSS servers
>have implemented it. The fully-interopable way to synchronize servers still
>includes a fallback to a full PROPFIND.
>
>ETags on folder listings are arguably simpler to implement than a partial
>transaction history. remoteStorage requires those, and consequently all servers
>must implement it.

ah, do you think it will trigger much extra burdens for the servers?

>
>> 
>> 
>> --
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>
>
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