On Tue, Mar 28, 2006 at 10:42:13AM -0800, Richard Broersma Jr wrote: > Could RRS be implemented in a similar fashion to OPC-HDA? I'm not really familiar with that. The idea behind RRS is that you keep historical information, but you don't keep the detailed data, similar to how RRD works. -- Jim C. Nasby, Sr. Engineering Consultant jnasby@xxxxxxxxxxxxx Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461