In our view, a private cloud is a computing environment which provides hosted services to a limited subscriber base, generally within a single enterprise behind a firewall. Private clouds are a conservative’s answer to a regular public cloud solution.  Instead of losing sleep worrying about control, safety and costs of hosting data at a third party vendor’s data center, enterprises build their very own in-company, and mostly in-premises private cloud solution. The chargeback metering mechanisms are an added plus for the higher management, for they provide a relatively accurate picture of the “cost of IT” in the organization. The hardware (servers and other resources) on the network should be under centralized control and standardized.
There should be very lose coupling across services, effectively allowing services across different environments based on different parameters, transparently. The infrastructure management and maintenance should be automated, reducing the overall manual dependence and increasing efficiency of the overall system. These items listed above are not really axioms which HAVE to be followed in order to justify an enterprise installation to be a private cloud; however the more of the above list a company follows, a more mature and stable environment is promised. In 2012, more than 1.7 million jobs in the field of cloud computing remained unoccupied, according to analysts firm IDC. Cloud marketing has the ability to drastically change the ways in which they reach and engage their audience, particularly with regard to distributing and storing mission-critical data. More and more companies encourage their employees to work on their devices, thus reducing the cost of computer equipment, but also increase the cost to maintain licenses and safety. Despite the inclination to wait until all of the cloud’s kinks have been worked out, holding off on cloud initiatives until the industry matures won’t guarantee success. The software industry is undergoing major changes by trends such as cloud, SaaS, mobile technology and the “consumerization of IT”. The idea of cloud computing is based on the fundamental principle of reusability of IT capabilities. In this model, consumers purchased the ability to access an use an application or service that is hosted in the cloud.Today SaaS is offered by many companies such as Google, Salesforce, Microsoft, etc.
This model provides basic storage and computing capabilities as standardized services over the network.
The community cloud infrastructure is shared among a number of organizations and supports a specific community that has similar interests and requirements. There is a high rate of flexibility when using cloud computing because people can opt out out of using it whenever they want too. Companies can save big by employing cloud computing as it eliminates cost for hardware and software. Since all data are located on a centralized location, data are more organized making it easy to manage.
Increased Storage Capacity is another benefit of the cloud computing, as it can store more data as compared to a personal computer.
Thus allowing you to save hundreds and thousands of dollars in implementing any new system and making arrangements for training on the same.
While cloud computing service is a great innovation in the field of computing but still, there are a number of reasons why people not want to adopt cloud computing for their particular need. The most obvious disadvantage is that Cloud computing completely relies on network connections. TweetMicrosoft announced the worldwide availability of its Windows Server 2012 platform and comes full foot in the world of cloud computing.
The new version is designed to redefine the server software and take it to the cloud computing model and incorporates technologies like storage management, networking, advanced virtualization functionality, process automation and management of identities, among other features.
Microsoft developed Windows Server 2012 from the cloud, while relying on its experience in the management of data centers worldwide. Hundreds of new features offer users a huge evolution in terms of speed, power and scale their data centers and applications.
The new OS has an impressive list of new features that make it an OS actually better suited than its predecessors in the implementation of private clouds.
In addition, enterprises can now run Server 2012 and Azure platform through a common management portal to manage and move applications between Azure and on-premises storage. The operating system is offered as a virtualization platform, with features such as the simple replication of virtual machines or the ability to move workloads between systems without downtime, thanks to the Live Migration.
Windows Server 2012 also introduces improvements in storage and networking, facilitating the interconnection of the elements within the data center infrastructure, with cloud-oriented changes in management and virtualization of networks and the management of IP addresses and as configuring flexible solutions and virtualized storage. Dell introduces a series of PowerEdge servers preloaded with Windows Server 2012 along with Hyper-V technology to support server virtualization. Rackspace, on the other hand, is adding the OS platform as the core of Rackspace’s Cloud Sites platform as a service (PaaS) offering.


RapidShare suggests that all uploads be scanned for copyrighted content, which would probably put a stake in the heart of fair use once and for all. Another option is convergent encryption, which is perhaps a bit less secure, but still better than nothing. So instead of finding your name in the next article about identity theft or online fraud, sure up your computer’s security. Cloud computing is poised to be the catalyst for this new model, and a new survey by the Business Software Alliance supports this – with their survey revealing that use of cloud computing is highest in Greece and Romania within EU, with Greece garnering a 39%. Cloud Computing will provide a much needed reduction in IT spending, boost productivity, and create new opportunities for business development in the country. Under baseline assumptions of early adoption, Greek businesses and the public sector can save almost € 5 billion in expenditures. The overall cloud dividend over the next decade can reach € 16 billion, especially when combined with the spill-over effects from increases in the intermediate demand and household income.
Cloud computing adoption will bring an increase in scalability and a reduction of barriers to entry, and will add € 5 billion of income to the Greek economy within the next decade. Some stop at virtualization, other take it at the automation of the provisioning and elasticity, and some others take it to the final level and talk about chargebacks. Cloud computing is a computing paradigm, where a large Pool of system are connected in private or public networks, which provides dynamically scalable infrastructure for application, data and file storage.
In this modal,cloud users are responsible for patching and maintaining the operating system and application software. Customers can build his own applications, which run on the cloud service provider’s infrastructure. Consumers can control and manage the systems in terms of the operating systems, applications, storage, and network connectivity, but can not control the cloud infrastructure. One of the major benefit of cloud computing is that there is no limitation of place and medium. With cloud computing, company uses the resources of the hosting company to store their data and applications. There is no need to purchase and setup hardware manually when using the cloud computing method. All transactions are also recorded so management can easily track activities of their employees. Cloud Computing Services can be accessed through various different electronic devices that are able to have access to the internet.
So it saves us from the upgrading computer memory that helps reduce the cost for companies and users.
Since people are quiet used to cloud applications like GMail, Google Docs, so anything related to the same is most likely to be understood by the users.
There is always insecurity regarding stored documents because users does not have control over their software.
To make cloud servers more secure to ensure that a client data is not accessed by any unauthorized users, cloud service providers have developed password protected accounts, security servers through which all data being transferred must pass and data encryption technique. If the user wants to switch to some other Provider then it is not easy to transfer huge data from one provider to another.
Windows Azure and System Center, Windows Server 2012 offers users the ability to manage and deliver applications and services through a private cloud, a cloud hosted or public cloud. The common platform also will help them to manage data centers, private clouds, and public clouds. AMD released AMD Opteron 4200 and 6200 series processors, both have been optimized to run Windows Server 2012. The recent introduction of Office 2013 also brings lots of cloud features such as support for new operating system Windows 8, touch base sensor interfaces, as well as SkyDrive cloud services. The web will provide the services and storage you need, and it’s safer than keeping files locally. The plan also indicates the files uploaded should be private by default, with the user being forced to explicitly share a file publicly. With convergent encryption, your personal unencrypted data is used to derive the key that will be used to encrypt it. A little Bill here, a little Tax there, next thing you know, if you want to use a Cloud service, you have to agree not to use encryption. The onus of improvement is on the shoulders of both the State and the companies, in order to ensure that a new model of development is born, where private investment and export are the key growth drivers. Additionally, over 24% of personal computer users in Greece report high levels of familiarity with cloud computing technology.


The cloud dividend can reach € 21 billion if Greece manages to outpace their competitors via a 5 year transition path (compared to the average 10 year transition path followed by competing nations). Cloud computing provides a rapid deployment model that enables applications to grow quickly to match increasing usage requirements. If you do not have an Internet connection, you can’t access anything, even your own data. Windows Server 2012 expands the definition of an operating system, incorporating previously separate technologies such as storage features highly advanced network virtualization and automation.
For its part, Hyper-V 3.0 is now able to allocate up to 64 virtual CPUs and 1TB of memory per VM.
But in the wake of the Megaupload raid, some cloud storage companies are getting cold feet and are rushing to placate the emissaries of the content industry, such as the RIAA and MPAA. RapidShare also says that sites should hire significant numbers of new staff to actively scan user data when there is reasonable suspicion an account is being used for piracy.To be clear, RapidShare is advocating a system by which a cloud storage provider can look at your personal data if Fox, Universal, or any other content provider suspects you of wrongdoing. So with this technology, two identical files will still be identical after encryption, but unreadable without the original file.
Additionally, a recent report by the IOBE posits that early adoption of cloud technology will play a crucial role in the competitiveness of the Greek economy. However, if technophobia prevails and slows down the rate of adoption, the cloud dividend will only extend to about € 5 billion and will show very little or no employment gains during the next 6 to 7 years. The cost of using cloud resources is very economical for resources such as centralized, real estate, bandwidth, and power. All that might add up to a dark and stormy future for the cloud, and your data.The RapidShare business model is not terribly dissimilar from that of Megaupload.
Not only does this smack of privacy invasion, it has to make you question the innate security of these services.Offering automatic encryption of uploaded data is common, but if a cloud storage company can look at your files, that means they have a copy of your encryption key.
This would permit a cloud storage provider to scan for known pirated files while keeping your unique personal data completely private.Even the harsh measures outlined by RapidShare didn’t go over well with the RIAA, which said the proposal fell short of what is needed. Big business keeps getting bigger by gobbling us up and spitting us back out, because they know the individual consumer can’t compete with their million dollar law teams. Reproduction in whole or in part in any form or medium without express written permission of Ziff Davis, LLC.
Similarly, a low-speed Internet connection, such as that found with dial-up services, makes cloud computing painful at best and often impossible. As such, the company has been looking for ways to distance itself from its unfortunate competitor. Some services, for instance Carbonite Backup, allow users to keep the encryption keys private. We can’t know if any of these policies will become the standard, but copyright holders aren’t going to stop pushing.
It is a cheaper way to maintain the software and it will save time, as the developers keep track of updates and maintain your programs while you use it. At the National Press Club, RapidShare recently went a step further by laying out a framework it feels cloud storage providers should adopt to better combat piracy — and it’s straight out of the RIAA’s playbook. If RapidShare had its way, standard practice in the industry would be to store your data in a way that it could be decrypted without your consent.So what’s the alternative if you really want privacy for your data? They’re riding high on the takedown of Megaupload and really seem to want strangers rifling through your files in search of copyright violations.
In this dystopian future, you might have to encrypt your files before uploading them anywhere. You can’t work with that encrypted data online without decrypting it, thus ending up in the same vulnerable state you were in before. New technologies that rely on different forms of encryption could be a good middle ground, but the service providers will have to support them.Homomorphic encryption is an exciting idea that would give you much more flexibility in cloud storage. This type of encryption allows you to keep a database in the cloud, work with it, and keep it encrypted the whole time.
Homomorphic encryption can allow you to decrypt that result without ever knowing what the original data said.




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