scope:

This document will provide a background to the relevance of standards concerning mixed vendor environments in the context of urban-ITS. It will describe key mixed vendor environments interfaces. It will define: - Open specifications for sensor systems: existing open specifications and provides common specifications - Open specifications for traffic control: existing open specifications and provides common specifications - Open specifications for traffic information: existing open specifications and provides common specifications - Open specifications for public transport information systems: existing open specifications and provides common specifications - Open specifications for distributed C-ITS: existing open specifications and provides common specifications - Open specifications for central systems: existing open specifications and provides common specifications It will describe openly plied proprietary standards and extant communications protocols that can be used in mixed vendor environments in the context of urban-ITS.