April 05
Prof. Ismael H. F. Santos -  ismael@tecgraf.puc-rio.br                                                          2
Travel
Reservation
Process
Flight
Availability
Service
Enterprise Service Bus
NEW Check
Traveler
Service
Book Hotel
Service
Hotel
Availability
Service
Book Car
Service
NEW Flight
Availability
Service
OLD Flight
Availability
Service
Book Flight
Service
Check Credit
Service
nAlterar serviços com pouco impacto nos serviços já existentes
nAdicionar novos  serviços mais rápido
ESB easily accept newcomers
The ESB allows you to focus on your core business.  It enables you to add new services faster and to change services with minimal impact to existing services.