MRF -- Meta Raster Format

Integrated in GDAL >= 2.1. Available as plugin for prior versions.

Access to a indexed heap of regular tiles (blocks). Controlled by an xml file, usually organized as a pyramid of overviews, with level zero being the full resolution image. None, PNG, JPEG, ZLIB tile packing are implemented

For file creation options, see "gdalinfo --format MRF"