draft-ietf-dnsext-mdns-32.txt   draft-ietf-dnsext-mdns-33.txt 
DNSEXT Working Group Levon Esibov DNSEXT Working Group Levon Esibov
INTERNET-DRAFT Bernard Aboba INTERNET-DRAFT Bernard Aboba
Category: Standards Track Dave Thaler Category: Standards Track Dave Thaler
<draft-ietf-dnsext-mdns-32.txt> Microsoft <draft-ietf-dnsext-mdns-33.txt> Microsoft
25 June 2004 18 July 2004
Linklocal Multicast Name Resolution (LLMNR) Linklocal Multicast Name Resolution (LLMNR)
By submitting this Internet-Draft, I certify that any applicable By submitting this Internet-Draft, I certify that any applicable
patent or other IPR claims of which I am aware have been disclosed, patent or other IPR claims of which I am aware have been disclosed,
and any of which I become aware will be disclosed, in accordance with and any of which I become aware will be disclosed, in accordance with
RFC 3667. RFC 3668.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that other Task Force (IETF), its areas, and its working groups. Note that
groups may also distribute working documents as Internet-Drafts. other groups may also distribute working documents as Internet-
Drafts.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
The list of current Internet-Drafts can be accessed at http:// The list of current Internet-Drafts can be accessed at
www.ietf.org/ietf/1id-abstracts.txt. http://www.ietf.org/ietf/1id-abstracts.txt.
The list of Internet-Draft Shadow Directories can be accessed at The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html. http://www.ietf.org/shadow.html.
This Internet-Draft will expire on November 22, 2004. This Internet-Draft will expire on January 2, 2005.
Copyright Notice Copyright Notice
Copyright (C) The Internet Society (2004). All Rights Reserved. Copyright (C) The Internet Society 2004. All rights reserved.
Abstract Abstract
Today, with the rise of home networking, there are an increasing Today, with the rise of home networking, there are an increasing
number of ad-hoc networks operating without a Domain Name System number of ad-hoc networks operating without a Domain Name System
(DNS) server. The goal of Link-Local Multicast Name Resolution (DNS) server. The goal of Link-Local Multicast Name Resolution
(LLMNR) is to enable name resolution in scenarios in which (LLMNR) is to enable name resolution in scenarios in which
conventional DNS name resolution is not possible. LLMNR supports all conventional DNS name resolution is not possible. LLMNR supports all
current and future DNS formats, types and classes, while operating on current and future DNS formats, types and classes, while operating on
a separate port from DNS, and with a distinct resolver cache. Since a separate port from DNS, and with a distinct resolver cache. Since
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5.2 Usage restriction ............................... 21 5.2 Usage restriction ............................... 21
5.3 Cache and port separation ....................... 22 5.3 Cache and port separation ....................... 22
5.4 Authentication .................................. 22 5.4 Authentication .................................. 22
6. IANA considerations ................................... 22 6. IANA considerations ................................... 22
7. References ............................................ 22 7. References ............................................ 22
7.1 Normative References ............................ 22 7.1 Normative References ............................ 22
7.2 Informative References .......................... 23 7.2 Informative References .......................... 23
Acknowledgments .............................................. 24 Acknowledgments .............................................. 24
Authors' Addresses ........................................... 25 Authors' Addresses ........................................... 25
Intellectual Property Statement .............................. 25 Intellectual Property Statement .............................. 25
Disclaimer of Validity ....................................... 26
Full Copyright Statement ..................................... 26 Full Copyright Statement ..................................... 26
1. Introduction 1. Introduction
This document discusses Link Local Multicast Name Resolution (LLMNR), This document discusses Link Local Multicast Name Resolution (LLMNR),
which utilizes the DNS packet format and supports all current and which utilizes the DNS packet format and supports all current and
future DNS formats, types and classes. LLMNR operates on a separate future DNS formats, types and classes. LLMNR operates on a separate
port from the Domain Name System (DNS), with a distinct resolver port from the Domain Name System (DNS), with a distinct resolver
cache. cache.
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obtain a general license or permission for the use of such obtain a general license or permission for the use of such
proprietary rights by implementors or users of this specification can proprietary rights by implementors or users of this specification can
be obtained from the IETF Secretariat. be obtained from the IETF Secretariat.
The IETF invites any interested party to bring to its attention any The IETF invites any interested party to bring to its attention any
copyrights, patents or patent applications, or other proprietary copyrights, patents or patent applications, or other proprietary
rights which may cover technology that may be required to practice rights which may cover technology that may be required to practice
this standard. Please address the information to the IETF Executive this standard. Please address the information to the IETF Executive
Director. Director.
Full Copyright Statement Disclaimer of Validity
Copyright (C) The Internet Society (2004). All Rights Reserved.
This document and translations of it may be copied and furnished to This document and the information contained herein are provided on an
others, and derivative works that comment on or otherwise explain it "AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS
or assist in its implementation may be prepared, copied, published OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY AND THE INTERNET
and distributed, in whole or in part, without restriction of any ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED,
kind, provided that the above copyright notice and this paragraph are INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE
included on all such copies and derivative works. However, this INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED
document itself may not be modified in any way, such as by removing
the copyright notice or references to the Internet Society or other
Internet organizations, except as needed for the purpose of
developing Internet standards in which case the procedures for
copyrights defined in the Internet Standards process must be
followed, or as required to translate it into languages other than
English. The limited permissions granted above are perpetual and
will not be revoked by the Internet Society or its successors or
assigns. This document and the information contained herein is
provided on an "AS IS" basis and THE INTERNET SOCIETY AND THE
INTERNET ENGINEERING TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF
THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Copyright Statement
Copyright (C) The Internet Society (2004). This document is subject
to the rights, licenses and restrictions contained in BCP 78, and
except as set forth therein, the authors retain all their rights.
Open Issues Open Issues
Open issues with this specification are tracked on the following web Open issues with this specification are tracked on the following web
site: site:
http://www.drizzle.com/~aboba/DNSEXT/llmnrissues.html http://www.drizzle.com/~aboba/DNSEXT/llmnrissues.html
Expiration Date
This memo is filed as <draft-ietf-dnsext-mdns-32.txt>, and expires
December 22, 2004.
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