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Lori MacVittie

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Latest Articles from Lori MacVittie
A surprisingly low success rate for private cloud deployments leads one to wonder what's really holding them back. Vanessa Alvarez provides insight on the technological and cultural obstacles facing enterprises today. Even with all the hype surrounding Cloud Computing, a recent Forre...
Every few years the industry, as if waking from a fugue, notices that the number of women in technical fields is lower than the number of men. A mad rush of studies and subsequent articles analyzing the situation is almost universally followed by a call to arms: we need to do better at...
It’s great to be fast and furious, but if your infrastructure handles like a boat you won’t be able to take advantage of its performance We recently joined the land of modernity when I had a wild urge to acquire a Wii. Any game system is pretty useless without games, so we got some of...
Last week was one of those weeks where my to-do list was growing twice as fast as I was checking things off. And when that happens you know some things end up deprioritized and just don’t get the attention you know they deserve. Such was the case with a question from eBizQ regarding t...
The debate between private and public cloud is ridiculous and we shouldn’t even be having it in the first place. here’s a growing sector of the “cloud” market that is mobilizing to “discredit” private cloud. That ulterior motives exist behind this effort is certain (as followers of th...
I was a bit disconcerted by the notion put forward that cloud-based applications are somehow less complex than their non-cloud, non-virtualized predecessors. In reality, it’s the same application, after all, and the only thing that has really changed is the infrastructure and its compl...
Today's F5 Friday post comes to you courtesy of our own Don MacVittie who blogs more often than not on storage-related topics like file virtualization, cloud storage, and automated tiering goodness. You can connect, converse, and contradict Don in any of the usual social networking ave...
  Virtual Desktop Infrastructure (VDI) is designed to deliver virtual, managed desktops in the corporate environment. There are many benefits to this model, especially when applied to traditionally high-maintenance desktops in call centers where users may not be technically savvy an...
You virtualized your applications. You set up an architecture that supports auto-scaling (on-demand) to free up your operators. All is going well, until the end of the month. Applications are failing. Not just one, but all of them. After hours of digging into operational dashboards an...
Generally speaking when the term “hybrid” as an adjective to describe a cloud computing model it’s referring to the combining of a local data center with a distinct set of off-premise cloud computing resources. But there’s another way to look at “hybrid” cloud computing models that is ...
Invariably when new technology is introduced it causes an upheaval. When that technology has the power to change the way in which we architect networks and application infrastructure, it can be disruptive but beneficial. When that technology simultaneously requires that you abandon adv...
What does a 2-year old and cloud-based applications have in common? The Toddler has recently decided that he can navigate the stairs by himself. Insists on it, in fact. That’s a bit nerve-wracking, especially when he decides that 2:30am is a good time to get up, have a snack, an...
She’s chic, she’s cute, she’s a Computer Engineer? Really? Are you sure? There’s been a lot of commentary, good and bad, about Barbie and her new “career”, but that’s not going to stop me from adding one more. The Good The Bad She’s got a geek...
The problem with HTTP (okay, one of the problems with HTTP, happy now?) is that it resides at the top of the “stack” regardless of whether we identify the “stack” as based  upon the TCP/IP stack or the OSI model stack. In either case, HTTP sits at the top like a a king upon his throne....
When you’re dealing with conditional formatting of objects based on enumerated values you can eliminate conditional assignments by directly mapping your ENUMs to CSS classes. There are many cases where enumerated values are used to describe values, especially in the world of infrastr...
But on the web, access to services is implicit in the fact that the business is offering the service. If the HTTP service is accessible, it’s implicitly allowing connections and providing service without any standard criteria for access. This results in access by more than just custome...
There are many good reasons to go down the virtual infrastructure road. The illusion that it’s cheaper than dedicated hardware solutions is not one of them. I was reading an interesting predictive article on WAN optimization that contends that virtualized WAN optimization controllers...
One of the benefits of cloud computing is supposed to be efficiency, particularly in the utilization of compute resources. Over-provisioning of compute resources has long been one way in which IT combats the need for scalability and availability of applications but this often leaves a ...
Today Security administrators deal with 10’s, 100’s, even 1000’s of servers but what happens when potentially tens of thousands of VM’s get spun up and they are not the same as they were an hour ago. Security assessments like Tripwire, while work, inject load and what if those servers ...
Dealing with Microsoft smart quotes is a fact of life for developers. Almost every developer out there has a server-side script/function they use to strip them out of user-generated content and replace them with web-friendly HTML entities instead. But handling smart quotes in applicati...
How Infrastructure 2.0 might leverage publish-subscribe technology like PubSubHubub to enable portability of applications across clouds and data centers Tower of Babel by Pieter Bruegel the Elder. One of the topics surrounding cloud computing that continues to rear its ugly ...
A load balancing algorithm can make or break your application’s performance and availability It is a (wrong) belief that “users” of cloud computing and before that “users” of corporate data center infrastructure didn’t need to understand any of that infrastructure. Caution: proceed w...
Amazon EC2 and S3 are no more or less safe than they were last week despite hype around PCI compliance admission The recent admission / announcement that “Amazon EC2 is not PCI compliant” (this is not exactly true, but we’ll get to that later) has set off a rush of blogs, articles, an...
 You can’t differentiate until you do something different Gartner analyst and cloud pundit Lydia Leong reminds us that without differentiation, all clouds look pretty much the same.  “These are traits that it doesn’t take a genius to think of. Most are known requirements establis...
There's been a lot of hype over the past year surrounding 'green' computing and the drive to lower the impact of IT and data centers on the environment. While we're all for the concept of green computing and reducing the impact of computing on our environment, we're also cognizant of t...
Everyone in IT understands that there are disasters and then there are disasters. Regardless of the scale of any interruption in operations, disaster recovery plans generally comprise details describing how IT will accomplish the two most important tasks they will face in the event of ...