What does RDDS stand for?

What does RDDS mean?

RDDS	Random Digit Dialing Surveys Miscellaneous » Unclassified
RDDS	Range Data Distribution System Governmental » Military
RDDS	Rate Of Decrease Of Dielectric Strength Miscellaneous » Unclassified
RDDS	Regional Document Delivery System Miscellaneous » Unclassified
RDDS	Research Development Descriptive Summaries Miscellaneous » Unclassified
RDDS	Research Development Descriptive Summary Miscellaneous » Unclassified
RDDS	Resource Design And Development Services Miscellaneous » Unclassified
RDDS	Revista De Desarrollo De Software Computing » Software