From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Brian Templeton Newsgroups: gmane.emacs.devel Subject: Re: GSoC: collaborative editing Date: Tue, 14 Apr 2009 00:02:16 -0400 Organization: TUNES Project Message-ID: <87vdp7dgs7.fsf@tunes.org> References: <87ab6ngdjb.fsf@tunes.org> <873acclilz.fsf@ambire.localdomain> <87ws9odt9v.fsf@tunes.org> <87vdp8szuq.fsf@xemacs.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1239681808 6844 80.91.229.12 (14 Apr 2009 04:03:28 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 14 Apr 2009 04:03:28 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Apr 14 06:04:47 2009 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1LtZt7-00056T-3j for ged-emacs-devel@m.gmane.org; Tue, 14 Apr 2009 06:04:45 +0200 Original-Received: from localhost ([127.0.0.1]:53247 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LtZrh-0008GX-VY for ged-emacs-devel@m.gmane.org; Tue, 14 Apr 2009 00:03:18 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LtZrd-0008Do-9K for emacs-devel@gnu.org; Tue, 14 Apr 2009 00:03:13 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LtZqy-00087t-QJ for emacs-devel@gnu.org; Tue, 14 Apr 2009 00:03:13 -0400 Original-Received: from [199.232.76.173] (port=40428 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LtZqy-00087q-OX for emacs-devel@gnu.org; Tue, 14 Apr 2009 00:02:32 -0400 Original-Received: from main.gmane.org ([80.91.229.2]:48620 helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LtZqx-0004ht-Rk for emacs-devel@gnu.org; Tue, 14 Apr 2009 00:02:32 -0400 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1LtZqv-0007uW-Vh for emacs-devel@gnu.org; Tue, 14 Apr 2009 04:02:29 +0000 Original-Received: from cpe-071-070-209-067.nc.res.rr.com ([71.70.209.67]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 14 Apr 2009 04:02:29 +0000 Original-Received: from bpt by cpe-071-070-209-067.nc.res.rr.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 14 Apr 2009 04:02:29 +0000 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 16 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: cpe-071-070-209-067.nc.res.rr.com User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.91 (gnu/linux) Cancel-Lock: sha1:ZyBOaMYYEDhImnQP/cm7FFKbpH4= X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:110260 Archived-At: "Stephen J. Turnbull" writes: > Brian Templeton writes: > > > I have considered a P2P architecture, but as Stefan mentions, that makes > > it much harder to ensure consistency, and P2P algorithms are > > considerably more complicated than algorithms that rely on a central > > server. > > Basically what you're saying is "OK, let's impose an arbitrary total > ordering on the changes." Indeed that makes writing the collaborative > tool easier, but it also undermines collaboration by giving priority > to getting there *first* rather than doing it *better*. > Most P2P algorithms *do* impose a total order on operations; it's just more difficult to maintain that order.