streamlined L3v4 in preparation for L3v6 topology

README.md

mkp/nvdct-0.9.6-20241222.mkp

source/bin/nvdct/conf/nvdct.toml

source/bin/nvdct/lib/args.py

source/bin/nvdct/lib/backends.py

source/bin/nvdct/lib/constants.py

source/bin/nvdct/lib/settings.py

source/bin/nvdct/lib/topologies.py

source/bin/nvdct/lib/utils.py

source/bin/nvdct/nvdct.py

source/packages/nvdct