Let me try to give some additional explanation of the proposed solution to make it more understandable and add some additional thoughts on the subject.
The goal is to split the platform data between the masternodes, so that each masternode does not need to store the whole platform state, but...
There is an ongoing discussion about the introduction of a High Performance masternode (HPMN) type with strengthened hardware resources with the goal of reducing data platform fees. Three options are proposed by Dash Core Group in the Introductory presentation on High Performance Masternodes...