IEC 62769-100:2023 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 62769-100:2023 specifies an FDI?[1] profile of IEC 62769 for Generic Protocols. That means that all interfaces are defined and a host can add support for more protocols without changing its implementation. Nevertheless, there are some protocol specific definitions (PSD) that need to be specified per protocol using this profile. Annex C specifies what PSD need to be defined per protocol so that FDI? Device Packages, FDI? Communication Packages for Gateways and FDI? Communication Servers, FDI? Communication Server, Gateways and Devices supporting such a protocol can work together in a host not aware about this specific protocol.