In logrolling, if the parties do in fact have different preferences on different issues, each party gets their most preferred outcome on their high priority issue and should be happy with the overall agreement.

Integrative negotiation, also called integrative bargaining, interest-based bargaining or win-win bargaining - is a negotiation strategy in which the involved parties work together to find a solution that satisfies the needs and concerns of each.
The integrative bargaining approach could also be described as cooperative, collaborative, and win-win.

Related Test: Negotiation 101 Practice Test: Distributive Bargaining