US 12,010,087 B2
Communication device, address learning method, and program
Nobuhiro Shibata, Musashino (JP); Hideo Kawata, Musashino (JP); and Shinichi Yoshihara, Musashino (JP)
Assigned to NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo (JP)
Appl. No. 18/013,444
Filed by NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo (JP)
PCT Filed Jul. 3, 2020, PCT No. PCT/JP2020/026250
§ 371(c)(1), (2) Date Dec. 28, 2022,
PCT Pub. No. WO2022/003968, PCT Pub. Date Jan. 6, 2022.
Prior Publication US 2023/0300103 A1, Sep. 21, 2023
Int. Cl. H04L 61/09 (2022.01); H04L 12/46 (2006.01); H04L 101/622 (2022.01)
CPC H04L 61/09 (2022.05) [H04L 12/4641 (2013.01); H04L 2101/622 (2022.05)] 11 Claims
OG exemplary drawing
 
1. A communication device that
measures a traffic amount in any predetermined determination data unit,
holds MAC entry information including the measured traffic amount and a media access control address (MAC address) in a MAC learning data holding unit, and
in response to a number of pieces of MAC entry information held by the MAC learning data holding unit exceeds a limit:
searches for minimum MAC entry information with a minimum traffic amount from among traffic data amounts in determination data unit held by the MAC learning data holding unit, and
overwrites the minimum MAC entry information obtained by search with unlearned MAC entry information that is not held by the MAC learning data holding unit.