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Requirements for Labels to Interoperate Between mDNS and DNS

The information below is for an old version of the document.
Document Type
This is an older version of an Internet-Draft whose latest revision state is "Replaced".
Expired & archived
Author Andrew Sullivan
Last updated 2014-07-26 (Latest revision 2014-01-22)
Replaced by draft-ietf-dnssd-mdns-dns-interop, RFC 8222
RFC stream (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


Despite its name, DNS-Based Service Discovery can use naming systems other than the Domain Name System when looking for services. Different name systems use different conventions for the characters allowed in any name. In order for DNS-SD to be used effectively in environments where multiple different name systems are in use, it is important to follow a common set of conventions for naming. This memo presents an outline of the reqiurements for selection of labels for mDNS and DNS when they are expected to interoperate in this manner.


Andrew Sullivan

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)