Integrate RFID Web service into EAI application in SOA!RFID Epoxy Card Sale

　　Integrate RFID Web service into EAI application in SOA！In this article, I will first discuss two methods of developing RFID applications: traditional methods and RFID Web services. Then, I will discuss how integrating RFID Web services into EAI applications in multiple SOAs will improve the visibility of RFID-tagged items, boxes, and pallets, and will provide information about their solutions. I will demonstrate how to integrate RFID web services into EAI applications across multiple SOAs.

　　Traditional method

　　The traditional method will use IBM RFID products, which include three parts that make up the RFID framework. The three parts are Device Infrastructure, WebSphere RFID Premises Server and WebSphere Integration Server.

　　Devices are readers, scanners, and printers embedded with WebSphere RFID Device Infrastructure. Device Infrastructure is an RFID-enabled middleware product provided by IBM to select partners to place their devices.

　　Premises Server

　　Connected to the Device Infrastructure is IBM WebSphere RFID Premises Server. This system at the center of the RFID framework supports all the functions of the Device Infrastructure and supports the aggregation, monitoring, interpretation, filtering and storage of all incoming RFID events. If the event reaches a threshold point designated as a critical point by the system administrator, the intended recipient will receive a real-time alert. Premises Server acts as a gateway to Electronic Product Code Information Systems (EPCIS), allowing applications, customers, suppliers, and manufacturers to find data about RFID-tagged products.

　　Ntegration Server

　　Premises Server acts as a gateway to IBM integration servers such as WebSphere Business Integration Server. This server allows the back-end EAI system to connect to heterogeneous systems for business logic integration of information. Such heterogeneous systems include supply chain management (SCM), customer relationship management (CRM), and enterprise resource planning (ERP). The EAI system provides various tools for modeling business processes in SOA, creating workflows, integrating heterogeneous B2B, monitoring business activities, and creating and exposing Web services.

　　RFID solution

　　Let us understand some RFID solutions that use traditional methods:

　　Integrate the carrier's mobile transport team: you can get in touch with the transport team more quickly. The reduction in government intervention has shifted the control of the transportation market from the shipper to the carrier.

　　Improve internal operations: You can provide near real-time visibility through container, pallet, or item-level tracking of consumer products, thereby eliminating inventory shortages and "weight loss".

　　Manage a customer-driven supply chain: You can better manage demand forecasting and inventory, and coordinate cargo distribution and marketing. Customers can help drive the company's business decisions.

　　Changing the factory environment: By automating the assembly line process, it can help minimize rework and improve the reliability of tools, equipment, and other valuable assets. You can reduce the downtime of the production line and add the required materials to the production line in time.

　　Manage on-demand assets: You can find your assets in the automotive, chemical, transportation, aerospace and defense, and wireless technology industries anywhere in the supply chain-without delay. Assets can be anything.

　　RFID supplement method

　　One way to complement the traditional approach is to use IBM Relational Web Developer for WebSphere Software to create RFID Web services. These web services are very useful in many times, for example, when you need to combine information about a carrier's mobile fleet with information about internal operations in order to generate item visibility reports for senior management.

　　external interoperability

　　However, not all Web services can be provided internally. Some web services may need to connect to external RFID web services established in different SOAs. It is possible to combine internal and external Web services into composite applications in the original SOA.

　　When RFID Web services are not under the control of the organization, it is necessary to ensure that they have the same semantics, comply with the same agreement requirements, and can interoperate with each other externally. Semantic misunderstandings (such as specificity) and contract vulnerabilities (such as multi-platform differences) can cause interoperability problems between external enterprise Web services.

　　Faster network communication

　　Another problem is that when used in large quantities, XML-based RFID Web service applications will become too large. These Web services can block network communications, which can lead to system overload. To solve this problem, the XML Binary Optimized Packaging (XOP) specification should be applied to accelerate Web services.

　　This specification is a draft standard designed to handle Web services more efficiently than current XML parsers. The parser behaves more like an interpreter than a compiler. When the parser reads large files (especially large files in text format), it cannot achieve the performance of reading smaller files or calculating simple functions. Even encryption can bring RFID Web services to a halt because complex calculations must be performed to obtain the desired results.

　　RFID Web Service Architecture

　　In order to increase the visibility of RFID-tagged items, it is necessary to create an RFID Web service with two gateways. One gateway connects the Web service to the IBM integration server, while the second gateway is between the integration server and the back-end EAI application. Since some RFID Web services may not be provided internally, it may be necessary to connect to external Web services to complete processing tasks.

　　Connect

　　can connect internal Web services to the integration server, and then connect to external services across SOA. External RFID Web services may not reside on the same SOA. Each SOA has a different set of services provided to EAI applications hosted by IBM partners.

　　The internal RFID Web service can call the external RFID Web service in the SOA, so that the external EAI application can provide the internal EAI application with the information needed for various operations (such as storing information, generating reports, and sending alarms). You can use the same internal RFID Web service to call another external EAI application or even another external Web service. The internal and external RFID Web services can be combined into a combined application in the internal SOA to improve operational efficiency.

　　You need to develop an application composed of Web service modules in a hierarchical order. Compared to changing a large application without modules, it is much more efficient to change one module while leaving the others unchanged. The application should have specific parameters that can be changed so that when a module is changed offline, the specific mission-critical module can be run in the production environment.

　　For example, in order to reduce the risk of losing RFID data when sent from one point in the supply chain to another, consider developing an RFID Web service application related to enterprise security. The application is divided into the following four modules: information security, Vulnerability management, threat detection, response and strategy management and monitoring. If the first three modules are provided internally, they can be combined with the fourth module from the outside to form a composite application.

　　As long as it does not cause system overload, you can connect as many RFID Web services as you need. The maximum number of RFID Web services that can be opened almost simultaneously in order to complete the task sequence is even more important. The loosely coupled nature of Web services allows it to be called when needed and released when it is not needed. Just make sure that XML-based Web services that process large text files do not become too large when used in large quantities. This problem can be avoided by using the XOP specification.

　　concluding remarks

　　To integrate RFID Web services into EAI applications across multiple SOAs, it is necessary to plan in advance to determine how it should be designed to avoid overload during peak hours. The team of system administrators, RFID business analysts, and developers should be communicated to let them understand how Web services should be integrated internally and how to integrate with external Web services.

　　If you solve these problems first, you will find it easier to integrate RFID Web service applications. You can use IBM Relational Web Developer for WebSphere Software to develop Web services based on business processes, and then use them with XOP packages within SOA and between SOAs. Administrators will find that solving these problems also makes their network management easier. They can determine how many applications can be developed without causing system overload.

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