``DNS Service Discovery is a way of using standard DNS programming interfaces, servers, and packet formats to browse the network for services.'' -- http://www.dns-sd.org/

Although some servers support dns-sd, many do not, or were not configured/compiled with support. mdnssdd is a small daemon to provide service discovery.

Requires Apple's mDNSResponder-171.4.

(Imported from google code before it rigor mortis sets in.)