[DNSOP] Fwd: New Version Notification for draft-pan-dnsop-edns-isp-location-02.txt

Lanlan Pan <abbypan@gmail.com> Mon, 17 July 2017 02:36 UTC

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From: Lanlan Pan <abbypan@gmail.com>
Date: Mon, 17 Jul 2017 02:35:46 +0000
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Subject: [DNSOP] Fwd: New Version Notification for draft-pan-dnsop-edns-isp-location-02.txt
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Hi all,

Following discussion on previous version draft,  we have some updates.

1) Focus on *GeoIP-enabled* Authoritative Nameserver:  Section-1
<https://tools.ietf.org/html/draft-pan-dnsop-edns-isp-location-02#section-1>,
Appendix Geo-IP Example
<https://tools.ietf.org/html/draft-pan-dnsop-edns-isp-location-02#section-10>
.

2) Clarify the difference between *path calculation* (Data Provider)
and *tailored
DNS response* (Authoritative Nameserver), which are offen obfuscated at CDN
scenario: Section-1.1
<https://tools.ietf.org/html/draft-pan-dnsop-edns-isp-location-02#section-1.1>
.

Your comments are appreciated.

Regards,

Lanlan & Yu

---------- Forwarded message ---------
From: <internet-drafts@ietf.org>
Date: 2017年7月17日周一 上午9:55
Subject: New Version Notification for
draft-pan-dnsop-edns-isp-location-02.txt
To: Pan Lanlan <abbypan@gmail.com>om>, Yu Fu <fuyu@cnnic.cn>



A new version of I-D, draft-pan-dnsop-edns-isp-location-02.txt
has been successfully submitted by Lanlan Pan and posted to the
IETF repository.

Name:           draft-pan-dnsop-edns-isp-location
Revision:       02
Title:          ISP Location in DNS Queries
Document date:  2017-07-17
Group:          Individual Submission
Pages:          19
URL:
https://www.ietf.org/internet-drafts/draft-pan-dnsop-edns-isp-location-02.txt
Status:
https://datatracker.ietf.org/doc/draft-pan-dnsop-edns-isp-location/
Htmlized:
https://tools.ietf.org/html/draft-pan-dnsop-edns-isp-location-02
Htmlized:
https://datatracker.ietf.org/doc/html/draft-pan-dnsop-edns-isp-location-02
Diff:
https://www.ietf.org/rfcdiff?url2=draft-pan-dnsop-edns-isp-location-02

Abstract:
   Nowadays, many Authoritative Nameservers support GeoIP feature, they
   guess the user's geolocation by the client subnet of EDNS Client
   Subnet (ECS) or by the source IP address of DNS query, return tailor
   DNS response based on the user's geolocation.  However, ECS raises
   some privacy concerns because it leaks client subnet information on
   the resolution path to the Authoritative Nameserver.

   This document is inspired by EDNS Client Subnet (ECS), describes an
   improved solution for GeoIP-enabled Authoritative Nameservers,
   defines an EDNS ISP Location (EIL) extension to address the privacy
   problem of ECS, tries to find the right balance between privacy
   improvement and user experience optimization.

   EIL is defined to convey isp location < COUNTRY, AREA, ISP >
   information that is relevant to the DNS message.  It will directly
   provide the same sufficient information for the GeoIP-enabled
   Authoritative Nameserver as ECS, to decide the response without
   guessing geolocation of the IP address.




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-- 
致礼  Best Regards

潘蓝兰  Pan Lanlan