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| Information integration technology | Scope of application | Advantage | Disadvantage |
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| EDI | Widely used in port informatization for data exchange between institutions | EDI message standards are perfect, which can better meet business needs | The cost is high, the technology is backward, the system coupling is large, the performance of the remote call method is low, the performance threshold is low, and it cannot adapt to the massive data exchange in the high concurrency environment |
| WebService | Used for business system integration of some electronic ports and ports | Mature technology, low coupling, low cost, and easy implementation of SOAP data standards | Its essence is a Web-RPC system, and the SOAP-based remote call method has a low performance threshold, and the supported message types are limited |
| ESB | There are relatively few applications in the interoperability industry, which is more suitable for the complex internal environment | Complete system, with standard adapters and extensible interfaces, low development, maintenance, and management costs, and strong compatibility with heterogeneity issues | The structure is cumbersome, the scalability is poor, and the software and hardware requirements are high. If different protocols are uniformly converted into SOAP messages through the adaptor and then XML parsing, there will be more unnecessary format conversions, especially the processing efficiency of large data packets |
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