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As Cloud Computing begins to move beyond the pure hype stage and into the beginning of mainstream adoption, adopting cloud-based services or moving application services to the cloud brings a number of new risks, including: Cloud availability, Cloud security, Erosion of data integrity, and so on. However, for enterprise which require visibility, trust and control over cloud-based services. To maximize...
Many believe that Cloud will reshape the entire ICT industry as a revolution. In this paper, we aim to pinpoint the challenges and issues of Cloud computing. We first discuss two related computing paradigms - Service-Oriented Computing and Grid computing, and their relationships with Cloud computing. We then identify several challenges from the Cloud computing adoption perspective. Last, we will highlight...
As the evolution of applications, software systems become more and more complex. However, it is a challenge to deliver easy-to-use and reliable large-scale distributed software systems. This paper first reviews current requirements on software systems and the progress made and then reports our effort in delivering a more usable and reliable large-scale distributed software development framework (iFrame)...
Like RM-ODP [1], enterprise architecture (or EA for short) has its own perspectives as a basic construct for its architecture definition to represent areas of concern. In this paper, difference between RM-ODP and one concrete example EA, and applicability of Use of UML for ODP system specifications [2] (or UML4ODP in short) standard to the example EA, are discussed. Several additional diagrams that...
The next generation Internet will be highly diversified in both underlying networking technologies and supported networking applications. The diversified Internet architecture requires effective collaboration among heterogeneous network domains to support various application requirements. One of the challenges to achieve this objective lies in enabling network domain collaboration and network-application...
Software as a Service (SaaS) is a newly emerging business model in the software industry. The growing speed of SaaS is fast. The article gives a quick survey on SaaS. It covers key technologies in SaaS, difference between ASP and SaaS, SaaS application architecture and SaaS Maturity Model. To small businesses, SaaS offers more advantages.
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