Intelligent transport systems -- Communication access for land mobiles (CALM) -- Non-IP networking -- Part 2: Legacy system support
ISO 29281-2:2013 specifies elements of communications for cooperative ITS which are not based on the Internet protocol.
The following architectures, procedures and protocols are specified:
-Support of communication interfaces (DSRC-CI) using ISO 15628;
-Support of ISO 15628 DSRC applications via an ITS ad-hoc access technology.