This document specifies an extension of the ETSI C-ITS test architecture for conformance testing of protocols and applications in ITS station units. It specifies usage of the ITS station-internal management communication protocol (IICP) for the purpose of connecting an ITS test system to an implementation under test (IUT) residing in a system under test (SUT).st edition 2017-05 Intelligent transport systems — Cooperative ITS — Test architecture Systèmes intelligents de transport — SIT coopératifs — Architecture d’essai Reference number ISO/TS 20026:2017(E) ？ ISO 2017 ISO/TS 20026:2017(E) COPYRIGHT PROTECTED DOCUMENT ？ ISO 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no pa