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Modern enterprise-scale software systems in the retail industry are often implemented as systems of systems that are composed of one or more legacy software components making up parts of a supply chain that deliver products to both in-person and online customers. The systems are often one-off complex implementations tailored to the needs of that particular stakeholder. System components may communicate...
As modern wireless communication networks continue to spread in coverage and ubiquity, so do the applications for networks that take advantage of mobile technology. One of the more interesting areas of research and development is in the development and deployment of vehicular ad hoc networks (VANETs). VANETs offer the potential for intelligent transportation networks that can both actively and passively...
In the modern retailing industry, many enterprise resource planning (ERP) systems are considered legacy software systems that have become too expensive to replace and too costly to re-engineer. Countering the need to maintain and extend the business value of these systems is the need to do so in the simplest, cheapest, and least risky manner available. There are a number of approaches used by software...
Modern software systems have grown in complexity and expense, even while the cost for supporting hardware has decreased over time. Humans have a lot to do with why software is expensive, and they contribute to its cost in at least three significant areas: the maintenance and evolution of existing software, the run-time monitoring and configuration of executing software, and errors made during data...
Often Service Oriented Architecture (SOA) is implemented after an organization has an already established legacy set of applications and data formats. SOA is a powerful approach in that it can encapsulate and streamline data into a format that can be understood by an entire organization. From the executive department to the field office, data can be universally accessible. If there is a need to gather,...
Virtual machines are allocated on demand in virtualized cloud platforms to provide flexible and reliable services. The major difficulty lies in satisfying the conflicting objectives of reducing response time while lowering resource costs. In this paper, a mathematical multi-tier framework for virtual machine allocation is proposed, which can be used to capture the performance of the cloud platform...
Mobile devices and cloud computing platforms have become increasing popular in recent years, as more ways in which to adopt these technologies to existing business and research models have been envisioned and implemented. What started as simply providing bandwidth and technology to mobile users in order to browse the internet from handheld devices now allows entire websites to be hosted on remote...
Among the many challenges faced by businesses that maintain legacy software systems is the integration of those systems with external data sources, which are often other software systems developed and maintained by otherwise unrelated entities. Leveraging service oriented-architecture (SOA) provides a method by which the business value of a legacy system can be extended without the expensive alternative...
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