There’s evidence in the channel that organizations are growing increasingly gun-shy about following through on desktop virtualization pilots and deployments. Their uneasiness, according to virtualization experts, stems from higher than expected infrastructure costs, technical complexity and a return on investment that’s typically slower to materialize compared to server virtualization. It wasn’t supposed to be this way. Desktop virtualization goes hand-in-hand with mobility, and the arrival of Windows 7 and Apple’s iPad were expected to be […]
Cloud Computing
607 posts
With all the talk about cloud computing and its impact on business it’s important to understand what the cloud is — and what it isn’t. James Staten, vice president and principal analyst at Forrester Research, provided his company’s take on the subject this week at the Autodesk University, where cloud computing was Topic A for the annual users conference that drew more than 8,000 people. The main advantages cloud computing provides — connectivity, mobility, flexibility […]
Cloud computing is changing the world for sophisticated institutional investors – even those who have never used Internet-based servers to execute a trade or stress-tested a high-frequency trading strategy. The result, according to experts, will be a lower cost structure for performing high-end trades and more widespread access to the computing power needed to develop and execute complex algorithmic trading strategies. Cloud computing – on-demand self-service Internet infrastructure where you pay-as-you-go and use only what […]
We’ve all heard about it, but what is exactly is cloud computing and how can it benefit us as a home and business user? One of the most important applications for the cloud is backing up data an issue which was brought to the fore following the fire which broke out at HWP earlier this year destroying all of the company’s records. The term cloud refers to data storage and software applications delivered over the […]
How does security apply to Cloud Computing? In this article, we address this question by listing the five top security challenges for Cloud Computing, and examine some of the solutions to ensure secure Cloud Computing. Organizations and enterprises are increasingly considering Cloud Computing to save money and to increase efficiency. However, while the benefits of Cloud Computing are clear, most organizations continue to be concerned about the associated security implications. Due to the shared nature […]
Social networking sites like Facebook and Twitter encourage sharing of personal information. How does this change the nature of personal privacy? Trust is fundamental since it forms the basis upon which personal and commercial transactions take place. However trust and privacy are in conflict since knowing who you are dealing with is essential to trust. So how can identity, privacy and trust in the Cloud be reconciled? Privacy The internet and social networking sites like […]
So tell me, what’s a Hadoop when it’s at home? Some kind of dance? Not so much. Think of it as a file system for distributed computing and storage. Because that’s what it is. What’s a file system for distributed computing and storage when it’s at home? Let me take you back to big data. What’s big data? You know all that stuff you’ve got that fits in nice relational databases? Yes. Well, it’s that […]
Using the OSI network layer model as a basis, here’s how to derive a simplified three-layer model for SIP-based VoIP and corresponding threats and defenses. The resurgence of interest in VoIP to provide telephone services worldwide is often credited to the use of session initiation protocol (SIP) for signaling. Both residential and enterprise VoIP services are widely deployed. IP telephony may be used either to replace the primary telephone service or to provide additional telephone […]
One out of four healthcare providers are now using tablets in their practice, with another 21% expecting to do so in the next 12 months, and more than half are using a smartphone at work. These findings are part of CompTIA’s 3rd Annual Healthcare IT Insights and Opportunities Study, which relied on separate online surveys with 350 doctors, dentists, and other healthcare providers or administrators and 400 IT firms with healthcare IT practices. CompTIA conducted […]
Since Cloud computing is a new way of doing business you have to be clear about what you are letting yourself in for. For some, the business benefits of Cloud are many – for others it will be the simple fact that Cloud allows a small business to stop worrying about its IT – something that distracts from its core function of running the business. Cloud computing differs from conventional outsourcing in that the latter […]