H ELECTRICITY
H04 ELECTRIC COMMUNICATION TECHNIQUE
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12/00 Data switching networks
H04L12/28 characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
H04L12/2854 Wide area networks, e.g. public data networks
H04L12/2856 Access arrangements, e.g. Internet access
H04L12/2863 Arrangements for combining access network resources elements, e.g. channel bonding
H04L12/2865 Logical combinations