Re: [ftpext] New Version of FTP HASH, RANG, LOCK, and HOST

Bruce Blackshaw <bblackshaw@gmail.com> Thu, 24 January 2013 01:45 UTC

Return-Path: <bblackshaw@gmail.com>
X-Original-To: ftpext@ietfa.amsl.com
Delivered-To: ftpext@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 259D921F8700 for <ftpext@ietfa.amsl.com>; Wed, 23 Jan 2013 17:45:52 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -3.599
X-Spam-Level:
X-Spam-Status: No, score=-3.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1]
Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id U4H7VijB9bfQ for <ftpext@ietfa.amsl.com>; Wed, 23 Jan 2013 17:45:51 -0800 (PST)
Received: from mail-pb0-f52.google.com (mail-pb0-f52.google.com [209.85.160.52]) by ietfa.amsl.com (Postfix) with ESMTP id 933EE21F86CD for <ftpext@ietf.org>; Wed, 23 Jan 2013 17:45:50 -0800 (PST)
Received: by mail-pb0-f52.google.com with SMTP id uo5so158620pbc.11 for <ftpext@ietf.org>; Wed, 23 Jan 2013 17:45:49 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:message-id:date:from:reply-to:user-agent:mime-version:to :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=BWcozkwNWDZcXUq5wQoSdajtxi8AIL2wb/06VUVOmAo=; b=KdX3QxTIxwpKfyUfWmkJYNV1vvZcBFgguH1R4Hegp27NUuPYDzAby3ceOu3DLqlcsW 71fupQBpKj0bOK/VMAntkOJPP96nRrEGj5zdBJZVh6bkV0GNb8nOfyW54kdRsdWT+nD0 evMgopRosFYtcoET/veN1WYyHsq/lnbD4JCaHIkkXxx5bRNz5Aqi/jk3kJPq8z7VHc+L H9uIO9EVIqlXhDQxUoKWX7cj2M+JQz+LyFhp22pvAeb0aYrGFiaMYuOy8YUa5FXJgsU8 +jeuiZv6tFY227xjLHxCCICvgwBI5KKGHteo8FKf/MTRAXhUgbEoiZi63o7BXEe3zS7M KggQ==
X-Received: by 10.68.231.41 with SMTP id td9mr522847pbc.128.1358991949277; Wed, 23 Jan 2013 17:45:49 -0800 (PST)
Received: from [192.168.1.4] (ppp167-208-56.static.internode.on.net. [59.167.208.56]) by mx.google.com with ESMTPS id sy1sm13798480pbc.66.2013.01.23.17.45.45 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 23 Jan 2013 17:45:47 -0800 (PST)
Message-ID: <51009243.4080809@gmail.com>
Date: Thu, 24 Jan 2013 11:45:39 +1000
From: Bruce Blackshaw <bblackshaw@gmail.com>
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130107 Thunderbird/17.0.2
MIME-Version: 1.0
To: ftpext@ietf.org
References: <CANqTPegPaMBF9i1gi+M3m5FXzuxRzUU_QULxB_sdJTVd7NGppQ@mail.gmail.com>
In-Reply-To: <CANqTPegPaMBF9i1gi+M3m5FXzuxRzUU_QULxB_sdJTVd7NGppQ@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Subject: Re: [ftpext] New Version of FTP HASH, RANG, LOCK, and HOST
X-BeenThere: ftpext@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
Reply-To: bblackshaw@gmail.com
List-Id: <ftpext.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ftpext>, <mailto:ftpext-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/ftpext>
List-Post: <mailto:ftpext@ietf.org>
List-Help: <mailto:ftpext-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ftpext>, <mailto:ftpext-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 24 Jan 2013 01:45:52 -0000

Re LOCK, I think it would be useful to have an alternative to "boundary" 
called "size", that could provide the size of the raw data for binary 
transfers.  That might provide quite a performance advantage compared to 
having to search for the boundary.

regards

Bruce Blackshaw
EnterpriseDT
http://www.enterprisedt.com

On 21/01/2013 3:00 AM, Anthony Bryan wrote:
> we updated the FTP HASH, RANG, and LOCK drafts, while the authors of
> HOST have updated their (hopefully final, get any comments or reviews
> in ASAP) draft.
>
> we are mostly interested in finishing up HASH & RANG, but also feel
> free to comment on LOCK. fancy diffs are available. HASH, RANG, & LOCK
> changes are all editorial or just updating the draft.
>
>
> HASH FTP command to be used by clients to request cryptographic hashes of files.
> http://tools.ietf.org/html/draft-bryan-ftpext-hash
>
>
> RANG command to be used by clients to designate a start and end point
> to permit restarts and repairs of interrupted data transfers in STREAM
> mode.
> http://tools.ietf.org/html/draft-bryan-ftp-range
>
>
> LOCK command to be used by clients to request the server to use the
> control connection for data transfers, using a single port instead of
> two.
> http://tools.ietf.org/html/draft-bryan-ftp-lock
>
>
> also, HOST has been updated:
>
> FTP command that provides a mechanism for FTP clients and servers to
> identify individual virtual hosts on an FTP server.
>
> http://datatracker.ietf.org/doc/draft-hethmon-mcmurray-ftpext-ftp-hosts/
> http://tools.ietf.org/html/draft-hethmon-mcmurray-ftpext-ftp-hosts (diffs)
>
> --
> (( Anthony Bryan ... Metalink [ http://www.metalinker.org ]
>    )) Easier, More Reliable, Self Healing Downloads
> _______________________________________________
> ftpext mailing list
> ftpext@ietf.org
> https://www.ietf.org/mailman/listinfo/ftpext
>