What is GDS System, Global Distribution Systems

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A global distribution system alias GDS system is one of the most fundamental form of global airline reservation system and its is the interconnectivity between individual airline reservation system and online travel management companies & booking agents. A global distribution system holds no inventory or block that but it connects to individual central reservation system of each airlines, which is also called as ARS – Airline Reservation System. The GDS system has links to all major airline CRS.

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When any online booking system requests a search, then this system connects to individual ARS through the GDS system and completes the request and book the seat. Thus the global distribution system allows the global users and travel management companies to book flight tickets and other services in all the major global airlines.

http://www.provab.com/gdsintegration_gdsbookingsystems.html

When a user books one or multiple airlines to complete the trip then a copy of PNR along with his complete travel itinerary is stored in the GDS system, which is called the GDS system profiling. On the other hand, ARS – airline reservation system will only have a part of the profiling information. The seamless connectivity of the GDS system with every ARS helps the users to compare price, availability and other related charges while booking.

The major GDS systems are Amadeus, Sabre, Apollo, Galileo, Worldspan, Abacus and Infini. Following are the industries, which are using GDS systems today -

• airlines
• hotels
• car rentals
• cruise lines
• railways
• insurance
• tourism
• travel agencies