The main unresolved issues are logistical issues, like salary cap structure and trade clauses that would limit team spending.

WSJ: After Negotiations, a Glimmer of Hope in NBA Talks

The containment capacity in the new structure, the sealing cap, will draw to two different boats and increase the containment capacity from roughly 15, 000 to between 20, 000 and 30, 000.

WHITEHOUSE: Press Briefing