To understand Oveedia, an online travel agency (OTA), one must truly understand what this type of sophisticated software is comprised of, and what goes on behind the scenes. An OTA is comprised of many databases and servers which continually grows, as the OTA expands. When one achieves the level of an Expedia, or Priceline; there are a vast amount of servers and databases that are being accessed. One major component of the OTA, is the GDS (Global Distribution System).