Dexiao_YE_827499_A3.pdf - IT INFRASTRUCTURE REPORT[DEXIAO YE 827499 Report Prepared for Assignment A03 ISYS90048 Managing ICT Infrastructure Semester 1

Dexiao_YE_827499_A3.pdf - IT INFRASTRUCTURE REPORT[DEXIAO...

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IT INFRASTRUCTURE REPORT [DEXIAO YE 827499] [JUNE 05 2017] Report Prepared for Assignment A03 ISYS90048 Managing ICT Infrastructure Semester 1, 2017
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Question1. Sascar is committed to providing real-time vehicle monitoring service to about 116,000 registered customers across 15,000 companies. To improve the efficiency and quality of the service, Sascar should adopt service-oriented architecture SOA as the basis of its ICT infrastructure. The analysis is divided into two parts: Analysis of what are the factors that encourage Sascar to adopt SOA. Discussion on how does Sascar solve some issues by the adoption of SOA. The analysis is based on the assumption that Sascar keeps the original global positioning system in the new platform. Analysis of drivers With the increasing size of business, Sascar is facing some structural IT problems: Availability: The system could not keep up with the speed of message generation, which caused process delays. Therefore, the respond time of the system requires acceleration. It means that the service requires higher availability. Scalability: The data volume held by Sascar is increasing at 6-gigabyte per day, therefore Sascar always requires new storage systems to handle the increasing amount data. It means that the system lacks scalability. Integration: Sascar needs a more robust IT infrastructure with greater stability. However, Sascar does not integrate proprietary software, global positioning system, load and fleet management and data storage. In addition, it is hard for Sascar to manage 70 servers, which also requires integration.
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Reusability: It is expensive to abandon legacy system. The current situation requires Sascar to adopt a software design architecture to enhance the system. SOA is one of the best options for Sascar. With adopting SOA, Sascar could achieve following improvements. Improve the availability of the service so that customers can have instant access to the information they are looking for. Scalability can be achieved so that Sascar is able to provides service to more and more customers. With creating an infrastructure for the system, different sub-systems can be integrated. Sascar is able to reuse the legacy system to reduce costs. Discussion on the adoption of SOA The discussion is based on four aspects of SOA: availability, scalability, integration and reusability. Availability: Evidence 1. “Oracle Exadata and Oracle Exalogic provide the foundation for Oracle WebLogic Suite 11g and Oracle SOA Suite, accelerating responses to customer inquiries about vehicle location.” (p5) Discussion One of the benefits of adopting SOA is that it accelerates the response time to customer inquires. It solves the problem of low availability. Scalability: Evidence 1. “Suite and Oracle SOA Suite that has significant capacity for growth Achieved significant data compression with Oracle Hybrid Columnar Compression, reducing the need to add storage systems to support growth in data…” (p7)
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Discussion With the significant capacity in the new system, Sascar is able to
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