n.international negotiations conducted by a mediator who frequently flies back and forth between the negotiating parties

Shuttle diplomacy.
Shuttle Diplomacy
Shuttle diplomacy
Mediation and the Art of Shuttle Diplomacy
Cleaning Up the Air: The EPA and Shuttle Diplomacy
WHEN IS SHUTTLE DIPLOMACY WORTH THE COMMUTE? Information Sharing through Mediation
From Stadiums To Shuttle Diplomacy: Qatar’s Emergence as a Regional Diplomatic Power
"Whirlwind"of China:Zhou Enlai's Shuttle Diplomacy in January 1957 and its Impact
Environmental Policy Can Happen: Shuttle Diplomacy and the Reality of Reg Neg Lite
Environmental Policy Can Happen: Shuttle Diplomacy and the Reality of Reg Neg Lite
The whirlwind of China: Zhou Enlai's shuttle diplomacy in 1957 and its effects
The creation of shuttle diplomacy: how Henry Kissinger initiated the peace process between Egypt and Israeli in January 1974
Environmental Review & Case Study: Cleaning Up the Air: The EPA and Shuttle Diplomacy