That is, the code that parses the connection URL can handle the longer (128-bit mode) IPv6 addresses (as well as IPv4 format). This IP address can be an IPv6 literal.
Now, technologies and standards such as GS1-128, 2d, Datamatrix barcodes, and Electronic product code (EPC), enable manufacturers to identify products much more precisely than by type alone.
Introduce EAN·UCC system, using ENA·UCC-128code to achieve a unique band for every section of tea production to build up an exterior traceable encoding system.