IETF Logo Mail Archive

Re: [Ila] [5gangip] Fwd: New Version Notification for draft-herbert-ipv6-prefix-address-privacy-00.txt

Lorenzo Colitti <lorenzo@google.com> Wed, 21 February 2018 15:03 UTC

Return-Path: <lorenzo@google.com>
X-Original-To: ila@ietfa.amsl.com
Delivered-To: ila@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0364D12E05D for <ila@ietfa.amsl.com>; Wed, 21 Feb 2018 07:03:59 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.01
X-Spam-Level:
X-Spam-Status: No, score=-2.01 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=unavailable autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=google.com
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 UA7nuiqhWW2V for <ila@ietfa.amsl.com>; Wed, 21 Feb 2018 07:03:57 -0800 (PST)
Received: from mail-wr0-x22f.google.com (mail-wr0-x22f.google.com [IPv6:2a00:1450:400c:c0c::22f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 28E6C12E03E for <ila@ietf.org>; Wed, 21 Feb 2018 07:03:53 -0800 (PST)
Received: by mail-wr0-x22f.google.com with SMTP id z12so5373649wrg.4 for <ila@ietf.org>; Wed, 21 Feb 2018 07:03:53 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=zgOhiSxepvo7hf4+S0NFMShK8bo7gX6VGOpfXYScRpg=; b=rakzvAC0RzRCsW07QGqnwfepC2+cQwt2fMcLeLlHjQACGu6axgIS7V1gMwuWNgGEq5 2kwM4efW7gzR0UiJRYJxcR0CBFOKpOvZ7GNyzQbV8jk/phpIxn2dZEkXCUM6vUNUp6Q1 +3RK1Dk9veabWLXS+b24n6tgMX1ftlLgVmmrYOFSYrGSR/B56+wbnoy4sdhmV0arZ04O gawUaqxhpajUj3RqGBYwQTVCi/Fzp2mBcPWKCazVV3pS0cOzTx8cIHjQlUoKQvHOjP+H YfG9hHIicUMbxX926Lx2nvWeS0Jm5DT7U5AJ3BgNDi0Sf4uRdrW3Bxtx5jVlO00FWJU7 Tlag==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=zgOhiSxepvo7hf4+S0NFMShK8bo7gX6VGOpfXYScRpg=; b=rVIb8GAlbTFoauVKa+kGLQA/rUJrPt2OrCuy/KM03TbUjcS3FNetdjyu+JHiFmNcR8 XTsnWjvDY4TgXZwNfe/8WpF1cbfmYFjZjC4eGcsPvHFIzbtr6O3X7ncYX+Pws6N5JZV1 7JMN6P36c/qv0DnRPCBzLf9fe5Bz1pP5vJKlDKwo/tPJGt98v3Ra+ESy+v+rTFCTWL13 44W/9CZCgMIJt9uAL5dRxWy0R8v6z024PPBxtUKF7IyWx3w6Kr9Gf0Y2KEGdfjl9WHOq KWtCcecAvXfa5LjEGmD2pb+4wiQB3yLR5MPLDAcCTUP5iXDyhCTXsV2AmUyJM4OBnqiu QTMg==
X-Gm-Message-State: APf1xPBR5NS7fwfAOUsv3NzcZwv8yTb1XR2EMVRi1PaXDyCg9CzET1AX cX6GN2IFocyOfcyTG7cFM+4HgftXsOh7omw3MJato72F
X-Google-Smtp-Source: AH8x226EZLRJ3lFcF57FFytW2qrmYkh7nOs36SqC1eTr0kyYH3wDGkHfNfCTuMZ+a4S7D4hggJGc8AB48WPT+26aQ28=
X-Received: by 10.28.69.214 with SMTP id l83mr2227614wmi.116.1519225431250; Wed, 21 Feb 2018 07:03:51 -0800 (PST)
MIME-Version: 1.0
Received: by 10.28.122.9 with HTTP; Wed, 21 Feb 2018 07:03:30 -0800 (PST)
In-Reply-To: <alpine.DEB.2.20.1802211549260.3478@uplift.swm.pp.se>
References: <151906718318.18731.8986618406430268357.idtracker@ietfa.amsl.com> <CAPDqMeqajavRJ85fUkrdxg1Bjz54kHuWfqbnGgpM7Br7T6MVmQ@mail.gmail.com> <alpine.DEB.2.20.1802211549260.3478@uplift.swm.pp.se>
From: Lorenzo Colitti <lorenzo@google.com>
Date: Thu, 22 Feb 2018 00:03:30 +0900
Message-ID: <CAKD1Yr3td4evp-=fNgfdRt5H7rDOZUsbsxNkaavtsqE2ZTam7A@mail.gmail.com>
To: Mikael Abrahamsson <swmike@swm.pp.se>
Cc: Tom Herbert <tom@quantonium.net>, ila@ietf.org, int-area@ietf.org, 5GANGIP <5gangip@ietf.org>
Content-Type: multipart/alternative; boundary="94eb2c07236e2a73980565ba3c89"
Archived-At: <https://mailarchive.ietf.org/arch/msg/ila/zwDsJzRarSrvObBmXoZHRHeG8Rw>
Subject: Re: [Ila] [5gangip] Fwd: New Version Notification for draft-herbert-ipv6-prefix-address-privacy-00.txt
X-BeenThere: ila@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: Identifier Locator Addressing <ila.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ila>, <mailto:ila-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ila/>
List-Post: <mailto:ila@ietf.org>
List-Help: <mailto:ila-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ila>, <mailto:ila-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 21 Feb 2018 15:03:59 -0000

On Wed, Feb 21, 2018 at 11:55 PM, Mikael Abrahamsson <swmike@swm.pp.se>
wrote:
>
> This draft discusses issue of privacy in IPv6 network prefix assignment.
>> Specifically the privacy problems of an assigned network prefix becoming a
>> persistent identifier for devices (e.g. /64 assignment to devices in mobile
>> networks).  The use of identifier/locator split is suggested as a solution.
>>
>
> Current state of available address for a PDN is /64. In most
> implementations I am aware of, if the PDN is brought down, and then up
> again, a new /64 will be used. The host can therefore control this part of
> "privacy", cycle PDN when it feels it's appropriate to get new address
> space to avoid tracking. I am supportive of this approach and any spatial
> overlap of multiple PDNs/address space approach, so that connections can be
> moved over to use the new address, gracefully.
>

+1


> I consider anything that gives the host less than /64 worth of addresses a
> regression from current situation. We can always discuss if /80 is enough
> etc, but anyhow, it's a regression that should be presented front and
> center by any proposed change to current state of affairs.
>

+1

v2.23.0 | Report a Bug | By Email