Các mô hình doanh nghiệp lịch sử thường xuất hiện từ bên trong ra một cách tiếp cận, sử dụng mô hình OLTP là điểm khởi đầu của quá trình làm mẫu. Trong trường hợp này, tái cấu trúc nguồn dữ liệu mô hình hiện có và tích hợp chúng là những quá trình quan trọng. Thêm thời gian cho | Figure 1-17 Virtual Corporation Supplier Customer Some organizations seek to establish a higher level of cooperation with their key business partners by jointly redesigning their business processes to provide greater value to the customer. Internet and web technologies are well suited to support redesigned transactional processes thanks to decreasing Internet costs improved security measures improved user-friendliness and navigability. Figure 1-18 highlights how this approach fits into the Enterprise Architecture. Figure 1-18 Virtual Corporation Architectural View INFOAfOTTON VIRTUAL CORPORATION VIRTUAL CORP TNPOHMATTONAL UECSIWAL OKRATIOHAL DítMoii Supfon A lfllliB1ICHB Hash MofiiLGflQfj A Reporting or TP ApfllralioRi Wakfow Mỉiiạgeinrrìi Clh iii TmiiMrlkiii iủ Web Scrvkts nloTinudơnal Well Srfvkx i fl JM J .11 imuil UalB Sn iT Ariiiw Llmbwii WuiktliVr Manati II II SnvJ 1 Legacy Systems Logical Server Layer legacy Layer Logical Client Layer Migration Strategy How Do We Move Forward The strategies presented in the previous section enable organizations to move from their current technology architectures into the InfoMotion Enterprise Architecture. This section describes the tasks for any migration effort. Review the Current Enterprise Architecture As simplistic as this may sound the starting point is a review of the current Enterprise Architecture. It is important to have an idea of what we have now before we can plan for where we want to be. The IT department or division should have this information readily available although it may not necessarily be expressed in terms of the architectural components identified above. A short and simple exercise of mapping the current architecture of your enterprise to the architecture described above should quickly highlight any gaps in the current architecture. Identify Information Architecture Requirements Knowing that the Enterprise IT Architecture has gaps is not sufficient. It is important to know whether these can be .
