Indeed, many aspects komputansi already (or will be) available in the form of cloud services: Infrastructure as a Service (IAAS) and Amazon Services, Microsoft Windows Azure, VMWare vCloud and Eucalyptus and Cloudera that open source provides komputansi, networking and storage capacity elastic.
Software as a Service (SAAS) refers to online applications, including productivity software, databases and business processes. SAAS Examples include Microsoft Business Productivity Online Suite (BPOS), Google Docs and Gmail, Salesforce CRM and Oracle CRM on Demand.
Meanwhile, Platform as a Service (PASS), enabling the development of applications (for example, Google Apps and Windows Azure), the Desktop as a Service (DAAS), and even so-called XAAS or EAAS, namely "Everything as a Service."
With cloud computing, heterogeneity has become a major characteristic of komputansi. Resources in the cloud can be proprietary or open-source or a mixture of both.
An interesting example can be seen from the profile of one company offering the following: Citrix offers a proprietary application like GoToMeetings for desktop communication and conferencing software, as well as Desktops To Go for remote desktop application. Together, they also offer open-source products like Xen and XenDesktop server, a virtual desktop. Open-source Xen project, which was in Citrix, Xen has spawned initiative called Cloud Platform, powered by Citrix, Hewlett-Packard, Intel, Oracle and Novell. With its application in the Apple iPad, Corix Receiver, Citrix can deliver the Windows desktop on the iPad, so that the function of the desktop and Windows applications can be accessed fully. There are seven new products Cloud, Cloud joined the Citrix Solutions, which is open-source and can be expanded according to the will of the user. Citrix Cloud Solutions mention this as a framework that allows interoperability with other software, including third-party virtualization such as VMWare, which is a competitor.
Not only because the mixing is heterogeneous-proprietary solutions and open-source - cloud computing also be global. For example, Windows Azure is available in 41 countries. In the cloud, users could only access applications hosted in Hong Kong from his office in South Korea. Data, can be stored on servers that exist in Poland, routing it through the United States.
From the perspective of software developers, the global nature of the cloud is not only determined by the behavior of their networks, but also the structure of the business itself. Researchers who work for multinational companies from the U.S. in Russia might collaborate with the team in Singapore. The final product can be designed in the U.S. and Taiwan, made in India, Malaysia and the Philippines to be sold in South America.
Economic opportunities exist for countries that have public policy and law that is technologically neutral and compatible. For example, the Singapore government which has long been realized that the technology encourages the country's economic growth. In 2008, the government in cooperation with Hewlett Packard, Intel and Yahoo, as well as research institutes in Russia, Germany and the U.S. to make open-source test bed that supports research into cloud services on a global scale. HP also opened Cloud Labs in Singapore.
At the same time, his government gave subsidies to projects that could provide cloud computing on eGovernment and Small and Medium Enterprises. Singapore is a leader in seeing cloud computing as a tool to grow its IT economy and maintain its role in the global market. It is still in its early stages, but it is clear that this will change komputansi in enterprise, meet the needs of users with the flexibility that has never seen before.
With the growth of cloud computing, it is increasingly important for policy makers to ensure that domestic policies do not favor a particular technology. Not only to meet the needs of global trade, international law and the interests of economic growth, it also allows domestic companies to reap huge profits from the opportunities provided by cloud computing.
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