Dave Linthicum says:

With lack of interest in UDDI there seems to be a need for another directory standard to come up and take its place.

From Will there Ever Be a Common Directory Standard? | By Dave Linthicum
Referenced Mon Apr 24 2006 16:48:55 GMT-0600 (MDT)

I propose LDDI, a system built using RESTful techniques and microformats that creates a human and machine readable directory for Web services.