Alcance
ISO 22645:2016 defines the TM Space Data Link Protocol in terms of:a) the services provided to the users of this protocol;b) the protocol data units employed by the protocol; andc) the procedures performed by the protocol.It does not specify:a) individual implementations or products;b) the implementation of service interfaces within real systems;c) the methods or technologies required to perform the procedures; ord) the management activities required to configure and control the protocol.