2.4.5.27

Req No	Requirement	Compliance Class And Applicability	Primary Keyword	Secondary Keyword
2.4.5.27	Where real-time expectations of performance are present, update mechanisms must not interfere with meeting these expectations (e.g. by running update processes at low priority, or notifying the user of the priority and duration of the update and with the option of postponing or disabling the update).	Mandatory for all classes	System	Software