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Cloud Computing, Mobile and Other Modern Technologies

Toddy Mladenov

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Top Stories by Toddy Mladenov

As described in the last week's post NIST defines three different cloud computing service models - IaaS, PaaS and SaaS. IaaS and SaaS are really easy to grasp but I see people struggling to understand the PaaS model. As a long-time application developer though I find the PaaS model the most compelling one for new applications. Here is why. I will look at two examples: one enterprise and one from the consumer world. Let's start with the enterprise scenario. If you examine any enterprise application portfolio you will find out that almost every development team has implemented it's own code for handling common functionality like authentication, authorization, database access etc. There are also numerous cases when the same team developed the same functionality over and over in each new project. Even the componentization model doesn't help in this situation because ei... (more)

Essential Cloud Computing Characteristics

If you ask five different experts you will get maybe five different opinions what cloud computing is. And all five may be correct. The best definition of cloud computing that I have ever found is the National Institute of Standards and Technology Definition of Cloud Computing. According to NIST the cloud model is composed of five essential characteristics, three service models, and four deployment models. In this post I will look at the essential characteristics only, and compare to the traditional computing models; in future posts I will look at the service and deployment models... (more)

Are There Other "as-a-Service" Cloud Offerings?

As already described in the previous few articles NIST defines three different service models for the cloud - IaaS, PaaS and SaaS. However if you look at the Wikipedia article about cloud computing you will notice that there are quite a few more "as-a-service" models mentioned there. Lot of vendors are using those to differentiate their offerings but there are two problems that arise: First, those additional models are not officially recognized by any standardization authority and Second, and maybe more important, those new acronyms add to the confusion among the novice cloud us... (more)

Six Myths About Disaster Recovery

Lately we have seen a lot of articles discussing how easy Disaster Recovery in the cloud is but very few of those put the emphasis on talking about the basics of Disaster Recovery and educating customers on why they should be thinking about it. Mostly such articles concentrate on the technologies that can be uses and how to do Disaster Recovery. I would like to start with the basics and write about few Myths About Disaster Recovery. First, let's relate Disaster Recovery to something that is more close to us in real life. The first thing that comes to mind as an analogy is the ... (more)

Why Is the Cloud So Confusing?

Last week I wrote a guest blog post for Washington Technology Industry Association explaining What Applications Benefit the Most from the Cloud. While working on the post I looked around the Web and once again was reminded that, like with other technology the cloud is becoming more and more confusing. Don't understand me wrong! I do love the technology but there is always one thing that always baffles me - we (the techies) always invent new fancy terms and try to use those to sell the technology (it even happens quite often that we just call an old technology with new name and se... (more)