A Global Distribution System (GDS) is a computerized network system facilitating transactions between travel industry service providers, including airlines, hotels, car rental companies, and travel agencies. GDS examples include Amadeus, Galileo, Sabre, Apollo, and Worldspan. It provides real-time inventory information to service providers and helps in linking services, rates, and bookings across various travel sectors such as airline reservations, hotel reservations, and car rentals.
