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From the Blogosphere

In DevOps, those who can’t keep pace are often left behind. For many people leading DevOps initiatives over the past few years, this led to a painful choice of leaving security by the wayside. Many Waterfall-native approaches to security could not keep pace with their new DevOps-native...
Automation, a key pillar of the DevOps movement, frees IT operations to focus on higher-levl work and collaborate with cross-functional teams. But what if your automation is so good that developers don’t need you anymore? Mike Gualtieri of Forrester Research coined the term NoOps in hi...
There’s a lot of buzz around the speed index metric, but what exactly is this metric and how is it calculated? Even more so, why do we need a new metric when there are so many already on the plate? This article gives you detailed answers to these questions. User expectations have chang...
Poorly managed development projects are bound to crash eventually. It's likely happened to you a dozen of times already. While writing code can be a lot of fun, managing code and dependencies can quickly become a maze of its own when you're dealing with the continuous growth of your co...
Since the term "DevOps" was coined in Belgium back in 2009, it has been impossible to avoid the debate raging around it. While we have watched it gain hype and momentum, many articles have been written to describe what elements of a DevOps strategy are required for it to be successful....
As today’s businesses increasingly turn to the cloud to run their operations, seasoned enterprise technology professionals may recognize a familiar pattern. Years ago, virtualization emerged as a transformational technology with a similar pattern of business drivers; initially the prom...
Serverless is considered the successor to containers. And while it’s heavily promoted as the next great thing, it’s not the best fit for every use case. Understanding the pitfalls and disadvantages of serverless will make it much easier to identify use cases that are a good fit. This p...
While I am all for traditions like Thanksgiving turkey and Sunday afternoon football, holding onto traditions in your professional life can be career limiting. The awesome thing about careers in technology is that you constantly have to be on your front foot. Because when you’re not, s...
We talked a bit about the Software Development Life Cycle (SDLC) in a recent post, but today, we're going to dig a little deeper into one specific and crucial element in the testing phase, particularly for Agile development: regression testing. Regression testing refers to the process ...
I recently read something – a blog, a tweet, a LinkedIn article perhaps – describing the use of wire data to analyze application performance. I remember that the author’s use of the term “APM” in this context caused one reader to comment, complaining that “you can’t call wire data APM....
In large enterprises, environment provisioning and server provisioning account for a significant portion of the operations team's time. This often leaves users frustrated while they wait for these services. For instance, server provisioning can take several days and sometimes even week...
Today’s digital world has placed a premium on the user experience. Users have become incredibly demanding, willing and able to head to a competitor’s site if just three seconds of latency occur during their time on your site. Such high demand puts web performance at the forefront of yo...
Businesses are being driven up against the wall by continual industry disruption. Many are fighting back by adopting Lean as a means to support business transformation. The aim is simple: create more value for customers with fewer resources. Lean thinking views the whole, not its part...
2016 has been an amazing year for Docker and the container industry. We had 3 major releases of Docker engine this year , and tremendous increase in usage. The community has been following along and contributing amazing Docker resources to help you learn and get hands-on experience. He...
Snowflakes are beautiful, unique creations. But, let's keep them in nature. They don't belong in our server infrastructure. Snowflake servers, where every configuration is just a little different, can introduce unnecessary security vulnerabilities and complications. While common in IT ...
The DevOps pipeline is constantly changing. Therefore relevant security controls must be applied contextually. We want to be secure, but I think all of us would rather spend our time developing and deploying software. Keeping up with server updates and all of the other security tasks ...
In the run up to our latest release of capabilities for developers, I sat down with David Yang, a senior engineer here at PagerDuty who’s seen our internal architecture evolve from a single monolithic codebase to dozens of microservices. He’s the technical lead for our Incident Managem...
When it comes to wide area networking, large global enterprises have some unique challenges to ensure that networking capabilities keep up with their complex business requirements. The most obvious challenge is the sheer scale of WAN operations. A very large enterprise could have hundr...
University College London (UCL), ranked consistently as one of the top five universities in the world, is London’s leading multidisciplinary university with more than 10,000 staff , over 26,000 students as well as more than 100 departments, institutes and research centers. With 25 Nobe...
We are experiencing a ‘crisis of engagement,’ according to a survey by management consultancy Gallup, with a staggering 87 percent of employees worldwide disengaged with their jobs. While there are many factors that can influence an employee’s contentment – from support to compensation...
That's not a fancy twist on a popular approach in IT. This post is about untangling the mess Agile Release Planning has become. We're living in an age where we're chasing the latest buzzwords and trends. We hardly slow down to look at the path we've covered to see if we've improved or...
Are you tired of slipping deadlines and missing commitments? Do you feel like the consistency of Software Testing is out of your control? Here is how to improve the predictability of software testing across multiple teams and projects. The foundation of enterprise software testing pre...
Developing code, without considering either the current or future needs of the end user, can cause frustration and result in customer churn, which ultimately means lower revenues. In this blog, I'd like to describe something simple I came across that demonstrates how to avoid these pit...
Almost all of the luxury brands that we work with are somewhere on the long and winding road between multichannel and omnichannel. For outsiders, this seems to be a small step but in reality, this is an extremely complex transition. In the luxury industry, multichannel often means that...
Recently an analysis was completed by SmartBear to gauge the sense of what software professionals believe is the core value provided by API virtualization. It was concluded that software professionals, including developers, testers, managers and architects believe that the biggest bene...
After 15+ years of software development, I still use the words error and exception interchangeably. But is there a difference between exceptions and errors? I think it is best to make the distinction with some examples of errors vs exceptions. Let's use this example of a dishwasher....
We all know the story: a farm, a kid, a Commodore 64, and a modem maxing out at 300 bps. A few unexpected phone bills later, and young Ian Allison is figuring out how to game the system so he can keep using his newfound gateway to the world of tech. According to Ian, that is where he ...
Exceptions are a type of error that occurs during the execution of an application. Errors are typically problems that are not expected. Whereas, exceptions are expected to happen within application code for various reasons. Applications use exception handling logic to explicitly handl...
There are some big red flags that signify your DevOps department needs an overhaul. Your deployment process seems to take forever. It only work from a few developers’ computers. It’s different for each server you deploy to. Sound familiar? Luckily the warning signs of a DevOps depar...
Getting started is often the largest hurdle with any major project. Research, theory, and discussions are like the 30ft boat taking you and your team from the shore to a seemingly random point in the ocean where you will strap on your diving suit and plunge backward into the depths we’...
Even though DevOps has been around for a few years, it still is a fuzzy area for some organizations. A mashup of development and operations teams, DevOps centers on collaboration and a culture that seamlessly integrates developers and IT operations teams working to put out the best new...
For a while already we have been working with a large enterprise client, helping them to migrate their on-premise workloads to the cloud. Of course, as added value to the process, they are also migrating their legacy development processes to the modern, better, agile DevOps approach. A...
According to a roundup by Gartner, the average cost of downtime for an enterprise is $5,600 per minute. While the data collected was from incredibly large companies, the cost of downtime for even small startups is no laughing matter. Let's assume, for the sake of simplicity, that your ...
When you have a billion users, people notice. That’s where our story about DevOps and Yahoo! starts. For Kishore Jalleda and Gopal Mor, both engineers at Yahoo!, when something goes wrong on a Yahoo! page, people will notice. Correction: a lot of people will notice. Of course, Yaho...
Software-defined is a concept that refers to the ability to control some or all of the functions of a system using software. The concept is sometimes incorrectly characterized as a buzzword or marketing jargon, when in fact it has a clear meaning that needs to be understood by organiza...
One of my favorite parts of the novel The Phoenix Project is when Bill Palmer, DevOps hero and VP of IT Operations for the fictional company “Parts Unlimited” has a light bulb moment about the central importance of IT to the business. The moment comes as the company’s CFO lays out for ...
If DevOps continues on the same trajectory into 2017 as it has been on for the past few years, specialized Ops teams could quickly become redundant. Instead, DevOps for digital companies will evolve to require only developers who nurture their own code into production. So how do establ...
Everyone wants to use containers, but monitoring containers is hard. New ephemeral architecture introduces new challenges in how monitoring tools need to monitor and visualize containers, so your team can make sense of everything. In his session at @DevOpsSummit, David Gildeh, co-found...
The rise of containers and microservices has skyrocketed the rate at which new applications are moved into production environments today. While developers have been deploying containers to speed up the development processes for some time, there still remain challenges with running micr...
Application Delivery got its start in the form of network-based load balancing hardware. It is the essential foundation on which Application Delivery Controllers (ADCs) operate. The second iteration of purpose-built load balancing (following application-based proprietary systems) mater...


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