PERFORMANCE ANALYSIS TO SUPPORT B2C SYSTEM IN AIRLINE INDONESIA BASED ON SOA USING ENTERPRISE SERVICE BUS

System airline as one of business to customer (B2C) is an enterprise application which needs service system architecture. Many systems that have been connected to this system has complexity of integration. SOA using enterprise service bus (ESB) is one way to manage the integration of information systems. ESB is a software infrastructure that can solve complexity problems with n-to-n integration, where n is the number of integrated applications. The business case has been implemented each function of services and ESB. The results obtained show that each services and ESB has its own strengths and weakness. As regards strengths, it should be noted that ESB copes very well with both kinds of files and small and large size but put the effort if the application of ESB is not working well it can be affected to another application system. N-to-n integration performs as good enough with small files and size but need to manage if there were any add or updated with the service. This research implemented SOA using ESB to proves to be a good choice for integration solution in a business environment with a large number of users and diversified communications.