  The International Lattice Data Grid (ILDG) is a community-wide initiative to
realize the sharing of primary data from lattice QCD simulations according to
the principles of FAIR data. We recall the basic concepts of ILDG as a
federation of autonomous regional grids with common standards for (meta-)data
and services, and report on current activities, progress, and plans to restore
and extend the usability of ILDG.
