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Cloud Computing, Mobile and Other Modern Technologies

Toddy Mladenov

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Top Stories by Toddy Mladenov

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. Because computing always implies resources (CPU, memory, storage, networking etc.), the premise of cloud is an improved way to provision, access and manage those resources. Let's look at each essential characteristic of the cloud: On-Demand Self-Service Essentially what this means is that... (more)

Business Strategy for Enterprise Cloud Startups

With cloud computing becoming the center of almost every new enterprise IT project, more and more startups decide to compete in the area. This raises the question: "Are they ready to fulfill the enterprise needs?" Forget the need to have one big customer. This can open few doors but if your startup's business strategy is wrong those will be shut down soon. It is true that one prominent customer can boost your sales but in my opinion there are two more important things that can help your startup get customers fast. First question you need to ask yourself is: "Do I target the right ... (more)

Determining the Cost of Downtime

Last week's Joyent outage brought us thinking how many IT teams make the effort what is the meaningful downtime that will not have significant impact on their business. In this post I will not discuss this particular outage although it is a yet another good example for improving the IT practices and processes but will concentrate on an important step in the Business Impact Analysis (BIA) that is a prerequisite for Disaster Recovery - namely the Cost of Downtime. Very often because the lack of understanding of the overall IT application portfolio the cost of downtime is calculate... (more)

Cloud Computing Service Models

In this post I will look at the three different service models for cloud computing as defined by NIST. More specifically I will look at the management and operations overhead for each one of the models and compare it to the traditional on-premise model. Traditional Model Let's look at how things have been done in the past. Traditionally enterprises have been responsible for managing their own IT infrastructure as well as the software stack that runs their applications. For small companies that meant hiring polyglot employees with wide range of skills varying from low level netw... (more)

There Is More to PaaS Than You Think

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'... (more)