Luehrs, K., Woundy, R., Bevilacqua, J., and N. Davoust, "Key Distribution Center (KDC) Server Address Sub-option for the Dynamic Host Configuration Protocol (DHCP) CableLabs Client Configuration (CCC) Option", RFC 3634, DOI 10.17487/RFC3634, December 2003, <https://www.rfc-editor.org/info/rfc3634>.