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Today, the disk failures in large-scale storage can occur almost on a daily basis and the reconstruction process is very common. Additionally, the reconstruction process is always time-consuming. When RAID is in the reconstruction process, the performance of front-end application will be very poorly. This will significantly impact the end user's feeling in storage system availability. In order to...
Web site defacement has become a common threat for organizations exposed on the Web. Several statistics indicate the occurrence rate of these incidents but not how long these defacements typically last. The authors present the results of a two-month study of more than 62,000 defacements to determine whether and when a reaction to a defacement occurs. Such reaction times tend to be unacceptably long...
Two main reasons have appeared as to why commercial company's who perform software development and maintenance do not include RM & A. Those main reasons are the lack of knowledge regarding RM & A and a belief that it will cost them more both in money and time. The example presented evidence of how RM & A can improve software development and maintenance. Not only were the requirements met,...
The emergence of new retail channels such as the mobile commerce creates requirements for new payment instruments to enable feasible and convenient transactions in these channels. The objective of this study is to explore security services when the subscriber makes a payment by mobile device. This study regards the security services as authentication, access control and communication and analyses...
Reliability of Web services is an important problem for developing electronic business applications. However, when the number of service requests become very huge it is hard to guarantee the availability of a service. In this paper, a novel approach for reliable Web service provisioning based on mobile agent and resource discovery technologies is proposed. In our approach, new service can be appropriately...
We developed a quality of service (QoS) management system to support service level management (SLM) for global enterprise services. The QoS management system is integrated with one of our enterprise services in a preproduction system, an identical system as the production system but in a test environment. Lab experiments showed that our integrated solution helps global enterprise services to better...
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