Plz don’t do this. 

Agile postulates that large scale planning is impossible due to complexity and uncertainty and instead proposes iterative fast to market development of product, service and process.

Just enough planning for continued execution is instituted.  Story mapping and kanban for tiered management of teams are covered. Good cover of basics, could use some experimental and comparative data.

Cottmeyer, M. E. (2011). Large scale program and portfolio management with Scrum and Kanban. Paper presented at PMI® Global Congress 2011—North America, Dallas, TX. Newtown Square, PA: Project Management Institute.

https://www.pmi.org/learning/library/agile-scrum-kaban-business-management-6164