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===Service Type Enumeration=== | ===Service Type Enumeration=== | ||
Service types can be enumerated by querying <tt>_services._dns-sd._udp.domain</tt> for a given domain. The reply is a set of PTR records. | Service types can be enumerated by querying <tt>_services._dns-sd._udp.domain</tt> for a given domain. The reply is a set of PTR records. | ||
* Avahi seems to support Service Type Enumeration, while Bonjour does not (November 2011) | |||
===Service Instance Enumeration=== | ===Service Instance Enumeration=== | ||
Rather than using the [[SRV]] record, SD makes use of PTR. | Rather than using the [[SRV]] record, SD makes use of PTR. | ||
* The temporary [http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml SRV Record Type] registry was closed in 2010... | |||
* ...and rolled into the RFC 6335-conformant [http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml United Service Name and Transport Number] Registry | |||
==See also== | ==See also== | ||
* "[http://tools.ietf.org/html/draft-cheshire-dnsext-dns-sd-10 DNS-based Service Discovery]" Stuart Chesire, 2011-02-27. | * "[http://tools.ietf.org/html/draft-cheshire-dnsext-dns-sd-10 DNS-based Service Discovery]" Stuart Chesire, 2011-02-27. | ||
* "[http://www.amazon.com/Zero-Configuration-Networking-Definitive-Guide/dp/0596101007 Zero-configuration Networking: The Definitive Guide]" from O'Reilly | * "[http://www.amazon.com/Zero-Configuration-Networking-Definitive-Guide/dp/0596101007 Zero-configuration Networking: The Definitive Guide]" from O'Reilly | ||
[[CATEGORY: Networking]] | |||