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GDS holds no inventory; the inventory is held on the vendor's reservation system itself. A GDS system will have a real-time link to the vendor's database. For example, when a travel agency requests a reservation on the service of a particular airline company, the GDS system routes the request to the appropriate airline's computer reservations ...
"The preferential display of our flights, and the corresponding increase in our market share, is the competitive raison d'être for having created the system in the first place," he told them. The U.S. government disagreed, and in 1984 it outlawed the biasing practices for the search results. [18]
Today, the GDS are run by independent companies with airlines and travel agencies being major subscribers. As of February 2009, there are only a few major GDS providers in the market: Amadeus, Travelport (which operates the Apollo, Worldspan and Galileo systems), Sabre, InteliSys Aviation (which owns ameliaRES PSS) and Shares.
In 1978, Calma introduced GDS II (pronounced "G-D-S two"), a modernized replacement for GDS. With its 32-bit database, GDS II met the need for greater capacity and resolution in IC designs. GDS II quickly replaced GDS as the data entry system of choice for many IC design groups. By late 1980, there were 171 installed GDS II systems. [7]
The GDSN is used as a tool to support high data quality through use of authoritative data sources, real-time data synchronization, and standardization of data formatting. The GDSN operates using a publish-subscribe pattern between two trading partners, each of which are registered with and access the GDSN via a data pool.
By the time the network was completed in December 1964, it was the largest civil data processing system in the world. Other airlines established their own systems. Pan Am launched its PANAMAC system in 1964. Delta Air Lines launched the Delta Automated Travel Account System (DATAS) in 1968.
In December, 2006, Travelport, owner of the Galileo GDS, Gullivers Travel Associates (GTA) and a controlling share in Orbitz, agreed to acquire Worldspan.However, at the time, management of Travelport did not commit to the eventual merging of the two GDS systems, saying that they were considering all options, including running both systems in parallel. [2]
Galileo is a computer reservations system (CRS) owned by Travelport.As of 2000, it had a 26.4% share of worldwide CRS airline bookings. [1] In addition to airline reservations, the Galileo CRS is also used to book train travel, cruises, car rental, and hotel rooms.