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

Ted Lemon <mellon@fugue.com> Tue, 08 December 2015 16:54 UTC

Return-Path: <mellon@fugue.com>
X-Original-To: storagesync@ietfa.amsl.com
Delivered-To: storagesync@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id F1E6D1A877F for <storagesync@ietfa.amsl.com>; Tue, 8 Dec 2015 08:54:45 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.912
X-Spam-Level:
X-Spam-Status: No, score=-1.912 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HtxquIw-n4uR for <storagesync@ietfa.amsl.com>; Tue, 8 Dec 2015 08:54:44 -0800 (PST)
Received: from fugue.com (mail-2.fugue.com [IPv6:2a01:7e01::f03c:91ff:fee4:ad68]) by ietfa.amsl.com (Postfix) with ESMTP id 3F9F91B305F for <storagesync@ietf.org>; Tue, 8 Dec 2015 08:54:06 -0800 (PST)
Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="----sinikael-?=_1-14495936418780.5364736954215914"
From: Ted Lemon <mellon@fugue.com>
To: lh.sunlinh@gmail.com
In-Reply-To: <CAO_YprZjqs_OFC3RybVvJ4GHWb3spKMMkkFTZO=YDustp825iw@mail.gmail.com>
References: <20151204181110.GA2418@localhost.localdomain> <1449255654746-36498631-5591108f-793d865a@fugue.com> <8F085EBA-F6A4-4FBD-8B8E-1F9AE114FD05@unterwaditzer.net> <CAO_YpraJsDKbOXD9MdxHqeAYTMoiZFyViHX+P2PtD=9hpRz9MQ@mail.gmail.com> <20151206173646.GA6290@localhost.localdomain> <1449447450498-61af5a96-1c461047-3019ac1e@gmail.com> <20151207002020.GA5002@localhost.localdomain> <1449448362292-7d42d496-109559e8-4177b3f9@gmail.com> <20151207003810.GA24130@localhost.localdomain> <1449449404474-72724227-c54ecf87-7d18f3b0@gmail.com> <20151207005426.GA29483@localhost.localdomain> <CAO_YpramyzAZ8hS6aphmBNw2FiKTpesb9uW7uGHtjRH_YkPAJg@mail.gmail.com> <1449452139832-4f314827-a7ecd596-c5312339@fugue.com> <1449454580239-1fd59d90-52f0231b-370f2ef5@gmail.com,> <> <1449455245871-cb7e86e1-1a0160c5-aa6acce3@fugue.com> <2015120711170621874681@bjtu.edu.cn> <1449459616112-6043cb32-cd69a1f9-1399f1c0@fugue.com> <CAO_Yprbct8wFbS1WFnZZENSp-OruRUk2nRyBv4tNeKv9_CGuCg@mail.gmail.com> <1449511062426-94cdee34-064ef498-327458b6@fugue.com> <CAO_YprZjqs_OFC3RybVvJ4GHWb3spKMMkkFTZO=YDustp825iw@mail.gmail.com>
Date: Tue, 08 Dec 2015 16:54:01 +0000
Message-Id: <1449593642163-c107ebb4-0f6d1c5a-a3f1c5e0@fugue.com>
MIME-Version: 1.0
Archived-At: <http://mailarchive.ietf.org/arch/msg/storagesync/xeEP9uzfg8nvKu_RMpP8vA6Oci8>
Cc: storagesync@ietf.org, markus@unterwaditzer.net
Subject: Re: [Storagesync] Storagesync Digest, Vol 5, Issue 1
X-BeenThere: storagesync@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: Mechanisms to synchronize client file systems with Internet-based data storage services <storagesync.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/storagesync>, <mailto:storagesync-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/storagesync/>
List-Post: <mailto:storagesync@ietf.org>
List-Help: <mailto:storagesync-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/storagesync>, <mailto:storagesync-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 08 Dec 2015 16:54:46 -0000

Tuesday, Dec 8, 2015 4:06 AM Linhui Sun wrote:
> That's better. It seems that a separate layer for conflict resolution is
> well accepted. But for etag and versioning metadata, which to employ still
> needs to be discussed. Any comments for that?

Both can be made to work in theory, but etag is missing explicit versioning, so in order to get conflict detection and avoid amnesiac servers erasing data on clients, you pretty much need to build up a metadata versioning system anyway.


--
Sent from Whiteout Mail - https://whiteout.io

My PGP key: https://keys.whiteout.io/mellon@fugue.com