TY - RPRT TI - A resilient architecture for the realization and distribution of coordinated universal time to critical infrastructure systems in the United States : methodologies and recommendations from the National Institute of Standards and Technology (NIST) AU - Sherman, Jeffrey A AU - Arissian, Ladan AU - Brown, Roger C AU - Deutch, Matthew J AU - Donley, Elizabeth A AU - Gerginov, Vladislav AU - Levine, Judah AU - Nelson, Glenn K AU - Novick, Andrew N AU - Patla, Bijunath R AU - Parker, Thomas E AU - Stuhl, Benjamin K AU - Sutton, Douglas D AU - Yao, Jian AU - Yates, William C AU - Zhang, Victor AU - Lombardi, Michael A PY - 2021 PB - National Institute of Standards and Technology (U.S.) CY - Gaithersburg, MD SN - NIST TN 2187 DO - 10.6028/NIST.TN.2187 ER -