Cover Page Using a Light Image IEEE Registration Authority OUI Registry Tiers proposal Glenn Parsons, RAC Chair July 2011 RAC Members Glenn Parsons, Chair Geoff Thompson, (LMSC prime) IEEE 802 Clint Chaplin, (LMSC alternate) IEEE 802 Bob Davis, (MSC prime) Leonard Tsai, (MSC alternate) Tom Kurihara, (VTS / ITS prime) IEEE 1609 Geoffrey Garner , (I&M prime) IEEE 1588 Gary Robinson, ex-officio (CS SAB) Staff – Angela Thomas, RAC Secretary – Carmen Hernandez, Registrar 2 Current OUI based identifiers • Company_id is a 24-bit OUI value assigned by the IEEE-RA • CDI-32™ is a concatenation of a 24-bit OUI value assigned by the IEEE-RA and an 8-bit extension identifier assigned by the organization with that OUI assignment. • TCDI-40™ is a concatenation of a 24-bit OUI value assigned by the IEEE-RA and a16-bit extension identifier assigned by the organization with that OUI assignment. • MAC-48 (obsolete label) / EUI-48™ is a concatenation of a 24-bit OUI value assigned by the IEEE-RA and a 24-bit extension identifier assigned by the organization with that OUI assignment. • EUI-60 (deprecated) is a concatenation of a 24-bit OUI assigned by the IEEE-RA and a 36-bit extension identifier assigned by the organization with that OUI assignment. • EUI-64™ is a concatenation of the 24-bit or 36-bit OUI value assigned by the IEEE-RA and a 40-bit or 28-bit extension identifier assigned by the organization with that OUI assignment. • IPv6 is a concatenation of a 64-bit EUI-64™ (derived from a MAC-48/EUI-48™) and a 64-bit extension identifier assigned by the device with the MAC-48/EUI-48 ™ assignment.