Buffers and Placeholders in Agile SCRUM Project Management

In Agile SCRUM, upfront planning is done for the different phases of a project, outlining the minimum scope and the requirements for each phase. The Agile SCRUM methodology accounts for some planning in the process, with user stories, tasks, and requirements turned into tickets that become part of a sprint. Two proactive tools to manage this uncertainty are to use buffers and placeholders which address specific uncertainties by making time to handle them