https://www.usgs.gov/publications/d4z-a-new-renumbering-iterative-solution-ground-water-flow-and-solute-transport
D4 zig-zag (D4Z) is a new renumbering scheme for producing a reduced matrix to be solved by an incomplete LU preconditioned, restarted conjugate-gradient...
ground waternewrenumberingiterativesolution
https://www.rfc-editor.org/rfc/rfc8978.html
In scenarios where network configuration information related to IPv6 prefixes becomes invalid without any explicit and reliable signaling of that condition...
address autoconfigurationrfcreactionstatelessslaac