Re: [pcp] Review of draft-ietf-pcp-upnp-igd-interworking
Xiaohong Deng <dxhbupt@gmail.com> Fri, 24 August 2012 12:47 UTC
Return-Path: <dxhbupt@gmail.com>
X-Original-To: pcp@ietfa.amsl.com
Delivered-To: pcp@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E343D21F86C7 for <pcp@ietfa.amsl.com>; Fri, 24 Aug 2012 05:47:25 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.999
X-Spam-Level:
X-Spam-Status: No, score=-2.999 tagged_above=-999 required=5 tests=[AWL=-0.200, BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-1, SARE_SUB_RAND_LETTRS4=0.799]
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 xw3w2e7RhM5K for <pcp@ietfa.amsl.com>; Fri, 24 Aug 2012 05:47:25 -0700 (PDT)
Received: from mail-lpp01m010-f44.google.com (mail-lpp01m010-f44.google.com [209.85.215.44]) by ietfa.amsl.com (Postfix) with ESMTP id A2BCE21F8501 for <pcp@ietf.org>; Fri, 24 Aug 2012 05:47:24 -0700 (PDT)
Received: by lahm15 with SMTP id m15so1165413lah.31 for <pcp@ietf.org>; Fri, 24 Aug 2012 05:47:23 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=auR/hMX6kgbWm8JMQebBCyMSgw8OpFWQ8vOjlGjxwVc=; b=VXFoM+Wpfqlg50fT2QVs50OkJDrgWE01xZGmancpzmPKw0sROOPcS+BdETDI4p04UX mYe+/lfZLVTm5D0fniSL9gviao2wgUDqCdKxGLBJ33/jRnpq5bW73tz6DZp+VYMDPP0r 19ZuiLWPGiPqMLwK3dUzmRuQb3a2Ksb9zNWHpRP5VLDUTmU7Er5Tn+xs9e9Tknt8UHja KX6T+7RCJcNfs2X8j/3cXWfniNSlh86IJeZFqj2cKkBG3Ziu16qfMSCNvjlkvwTrQSf+ RkAKloRxJZZz6A9hHJs+fGp59zsKmWmcymjDq861e7Omgn7Xk7ry1lvIZJ9QX5/3o+9B fBiQ==
MIME-Version: 1.0
Received: by 10.152.46.209 with SMTP id x17mr5502033lam.38.1345812443435; Fri, 24 Aug 2012 05:47:23 -0700 (PDT)
Received: by 10.112.43.196 with HTTP; Fri, 24 Aug 2012 05:47:23 -0700 (PDT)
In-Reply-To: <94C682931C08B048B7A8645303FDC9F36E512B4463@PUEXCB1B.nanterre.francetelecom.fr>
References: <CANb4OckhpkQH_Wkqyb1T6uuAO8ugLWZHHb_8L69DVe3bP8kUmQ@mail.gmail.com> <94C682931C08B048B7A8645303FDC9F36E4FC2DA35@PUEXCB1B.nanterre.francetelecom.fr> <CANb4OckhX8xWNKiFa8Dbi60Cdy-zjLaicDH8Z-yvgy3KbE_aSQ@mail.gmail.com> <CANb4OcnrE7Ntr6a1SiZskO=GfxkuY4DfD7etT2pAnMY6kXOPfQ@mail.gmail.com> <94C682931C08B048B7A8645303FDC9F36E512B4463@PUEXCB1B.nanterre.francetelecom.fr>
Date: Fri, 24 Aug 2012 14:47:23 +0200
Message-ID: <CANb4Ock8XLCxm8vFt-6g-v6Bk_X5TNiaPhw32SUV9VH9FcfL3A@mail.gmail.com>
From: Xiaohong Deng <dxhbupt@gmail.com>
To: mohamed.boucadair@orange.com
Content-Type: multipart/alternative; boundary="bcaec550b3aea0110604c8026013"
Cc: "pcp@ietf.org" <pcp@ietf.org>, "draft-ietf-pcp-upnp-igd-interworking@tools.ietf.org" <draft-ietf-pcp-upnp-igd-interworking@tools.ietf.org>
Subject: Re: [pcp] Review of draft-ietf-pcp-upnp-igd-interworking
X-BeenThere: pcp@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: PCP wg discussion list <pcp.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/pcp>, <mailto:pcp-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/pcp>
List-Post: <mailto:pcp@ietf.org>
List-Help: <mailto:pcp-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/pcp>, <mailto:pcp-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 24 Aug 2012 12:47:26 -0000
Hi Med, I prefer the wording in your explanation: only "1" is allowed: i.e., the iwf is supposed to send back an error if not set to 0. Cheers, Xiaohong On Fri, Aug 17, 2012 at 4:15 PM, <mohamed.boucadair@orange.com> wrote: > ** > Hi Xiaohong, > > The current text says only "1" is allowed: i.e., the iwf is supposed to > send back an error if not set to 0. > > If you have a better wording, this is welcome. > > Cheers, > Med > > ------------------------------ > *De :* Xiaohong Deng [mailto:dxhbupt@gmail.com] > *Envoyé :* vendredi 17 août 2012 15:50 > *À :* draft-ietf-pcp-upnp-igd-interworking@tools.ietf.org; pcp@ietf.org; > BOUCADAIR Mohamed OLNC/NAD/TIP > *Objet :* Re: [pcp] Review of draft-ietf-pcp-upnp-igd-interworking > > Hi Med, > > Thanks for your efficient feedback. > > Please see inline. Now focus only on unsolved ones. > > On Thu, Aug 16, 2012 at 10:24 AM, <mohamed.boucadair@orange.com> wrote: > >> ** >> >> PortMappingEnabled: >> PCP does not support deactivating the dynamic NAT mapping since >> the initial goal of PCP is to ease the traversal of Carrier Grade >> NAT. Supporting such per-subscriber function may overload the >> Carrier Grade NAT. >> + What if the customer wants to deactivate a static NAT mappings on CGN? >> it is not stated clearly that IWF should support it or not. My reading here >> is that for the same reason: not to overload the carrier Grade NAT, it >> should not support deactivate static mappings either. IMO,it’s worth to >> state clearer that it applys to both static and dynamic mappings, if that >> is what text here means. >> [Med] IGD spec says "PortMappingEnabled: This variable allows security >> conscious users to disable and enable dynamic NAT port mappings on the IGD.". PCP >> does not provide such feature. >> >> >> Je sais. That's why I asked, and please see below . > >> >> >> >> On reading the value is 1, writing a value different from 1 is not >> supported. >> + what if on reading the value is 0, which means deactivating the mapping? >> [Med] see above. Only "1" is supported. >> >> Here, I elaborate the question again. > > Quotation from UPnP-gw-WANIPConnection-v2-Service spcification: > > "Arguments for AddPortMapping() and AddAnyPortMapping() : > > *Argument Direction relatedStateVariable* > ... > NewEnabled IN PortMappingEnabled > ..." > > My concern was and is: with the current text, it doesn't look clear to me, > how IGD should react when recieve a PortMappingEnabled valule of '0' from > these two actions, which means that users want to disable the mapping. > > > "Arguments for GetGenericPortMappingEntry() GetGenericPortMappingEntry() > *Argument Direction relatedStateVariable* > ... > NewEnabled OUT PortMappingEnabled > ..." > > Don't see any problems for IGD with actions (Get*) having this parameter > for OUT direction. > > > > [Med] Are you sure 718 error code is allowed for >> GetSpecificPortMappingEntry? >> >> Good point. According to specification, no. > p.s. But I think anyway it would be interesting to do a test to see what > will happen in that case. Come back to you soon later with the test results. > > Cheers, > Xiaohong > > >
- [pcp] Review of draft-ietf-pcp-upnp-igd-interwork… Xiaohong Deng
- Re: [pcp] Review of draft-ietf-pcp-upnp-igd-inter… mohamed.boucadair
- Re: [pcp] Review of draft-ietf-pcp-upnp-igd-inter… Xiaohong Deng
- Re: [pcp] Review of draft-ietf-pcp-upnp-igd-inter… mohamed.boucadair
- Re: [pcp] Review of draft-ietf-pcp-upnp-igd-inter… Xiaohong Deng
- Re: [pcp] Review of draft-ietf-pcp-upnp-igd-inter… mohamed.boucadair
- [pcp] Review of draft-ietf-pcp-upnp-igd-interwork… Tirumaleswar Reddy (tireddy)
- Re: [pcp] Review of draft-ietf-pcp-upnp-igd-inter… mohamed.boucadair
- Re: [pcp] Review of draft-ietf-pcp-upnp-igd-inter… Tirumaleswar Reddy (tireddy)
- Re: [pcp] Review of draft-ietf-pcp-upnp-igd-inter… mohamed.boucadair