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Requirements for Scalable DNS-Based Service Discovery (DNS-SD) / Multicast DNS (mDNS) Extensions (RFC7558)

IP.com Disclosure Number: IPCOM000242444D
Original Publication Date: 2015-Jul-01
Included in the Prior Art Database: 2015-Jul-16
Document File: 28 page(s) / 30K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

K. Lynn: AUTHOR [+4]

Abstract

DNS-based Service Discovery [DNS-SD] in combination with its companion technology Multicast DNS [mDNS] is widely used today for discovery and resolution of services and names on a local link. As users move to multi-link home or campus networks, however, they find that mDNS (by design) does not work across routers. DNS-SD can also be used in conjunction with conventional unicast DNS to enable wide-area service discovery, but this capability is not yet widely deployed. This disconnect between customer needs and current practice has led to calls for improvement, such as the Educause petition [EP].

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Internet Engineering Task Force (IETF)                           K. Lynn Request for Comments: 7558                                  Verizon Labs Category: Informational                                      S. Cheshire ISSN: 2070-1721                                              Apple, Inc.                                                              M. Blanchet                                                                 Viagenie                                                               D. Migault                                                                 Ericsson                                                                July 2015

               Requirements for Scalable DNS-Based Service           Discovery (DNS-SD) / Multicast DNS (mDNS) Extensions

Abstract

   DNS-based Service Discovery (DNS-SD) over Multicast DNS (mDNS) is    widely used today for discovery and resolution of services and names    on a local link, but there are use cases to extend DNS-SD/mDNS to    enable service discovery beyond the local link.  This document    provides a problem statement and a list of requirements for scalable    DNS-SD.

Status of This Memo

   This document is not an Internet Standards Track specification; it is    published for informational purposes.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Not all documents    approved by the IESG are a candidate for any level of Internet    Standard; see Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc7558.

Lynn, et al.                  Informational                     [Page 1]
 RFC 7558              Scalable DNS-SD Requirements             July 2015

 Copyright Notice

   Copyright (c) 2015 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    (http://trustee.ietf.org/license-info) in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your...