Being a young industry, there are few tools, procedures or standard data formats or serviceinterfaces in place to guarantee data, computer application and service portability.
There's still room for improvement for the Internet travel industry, such as more intuitive user interfaces, better customer service and faster Web site speeds.
An elevator-pitch definition of service oriented architecture would be: Loosely-coupled services with well-defined interfaces that provide business functionality and can be shared or reused across and beyond the enterprise.