Welcome!

Big Data Journal Authors: Paul Diamond, Elizabeth White, Saar Bitner, Liz McMillan, Roger Strukhoff

Related Topics: Virtualization, Java, SOA & WOA, Open Source, Cloud Expo, SDN Journal

Virtualization: Article

Is Service Virtualization’s “Shift Left” a Burden to Developers?

Service Virtualization can be both a blessing and a curse for developers

Service virtualization undeniably benefits the development process, but it can be both a blessing and a curse for developers. Minimizing the burden that "shift left" can place on developers is key to achieving maximum acceleration of delivery cycles.

service virtualization shift left

Service Virtualization's Shift Left Benefits the Development Process
Service virtualization
's potential to "shift left" testing is relatively well-accepted throughout the industry. With simulated test environments eliminating constraints that commonly delay or curtail testing efforts, testing can begin earlier. And, as we all know by now, the earlier you find a defect, the faster, easier, and cheaper it is to fix. Beyond that, service virtualization allows teams to test more extensively and more frequently (e.g., for continuous regression testing).

Service virtualization's shift left certainly yields significant benefits to the development process in terms of accelerating time to market, reducing risks, and lowering the costs associated with dev/test environment management. However, its impact on the actual development team is often overlooked.

But Does Service Virtualization Burden Developers?
In many respects, service virtualization is a gift to developers. First and foremost, it means their development and testing tasks aren't stalled because they're waiting for still-evolving components to be completed and/or staged test environments to be available. It allows them to create and modify "disposable" test environments on demand...without having to rely on someone else each time they need to tweak an existing configuration or access a new one. It relieves them from the minutiae involved in developing and managing effective stubs or mocks. It also enables them to access much more sophisticated behavior than stubbing or mocking can provide.

Yet, this "shift left" is not necessarily a panacea from the developers' perspective. When you shift testing left, you also hasten the point at which QA is discovering and reporting the most defects. This means that instead of defect reports peaking during the testing phase, they peak at the development phase-which is when developers are already scrambling to implement the functionality needed to meet their development deadlines.

service virtualization shift left

Without Service Virtualization

service virtualization shift left 2

With Service Virtualization - The Shift Left

Getting barraged with defect reports during this critical phase is likely to cut into development's time and focus on creating the innovative functionality that (you're hoping) will set your organization apart from competition.

To understand what this shift left must feel like to developers, assume you're expecting houseguests to arrive on Sunday evening, giving you an entire weekend to tidy up and prepare. Now, imagine that on Thursday evening they call to say they'll be arriving Friday evening...and you have a major work deadline Friday afternoon.

So what do you do? Obviously, you don't want to throw out the baby with the bathwater here. After all, service virtualization stands to deliver remarkable benefits and provide tremendous value to your organization as a whole.

Shift Left + Compress
The good news is that service virtualization doesn't have to place extra burdens on development. The trick is to not only shift testing left, but also compress the defect curve. In other words, reduce the overall error injection rate so there are fewer defects to find and fix.

service virtualization shift left

Shift Left + Compress

As you can see, this "shift left + compress" strategy avoids taxing development at their most critical juncture. Even though the defect curve peaks earlier, developers are not burdened with an increase in reported defects during construction time because the peak is lower. Moreover, because there are fewer defects to find and fix across the SDLC, the team is able to complete the entire iteration significantly earlier.

To return to our analogy, this is akin to your houseguests arriving early...but now they're planning to stay in a hotel. Because you can focus on meeting your work deadline without worrying about cleaning, shopping, etc., the early arrival isn't nearly as stressful.

How do you reduce the overall error injection rate? Through Development Testing: synchronized application of a broad spectrum of automated defect prevention and defect detection strategies in a way that reduces development risks, time, and costs. Depending on the organization's expectations and priorities, Development Testing might include static analysis, peer code reviews, unit testing, runtime error detection, and other software verification practices.

But isn't this just placing a different burden on development? Not if it's implemented smartly and unobtrusively. In fact, Development Testing can actually improve productivity while reducing risks. But that's the topic for another blog...

Service Virtualization ROI Paper

service virtualization roi

Curious about what ROI your organization can achieve with service virtualization? Read Parasoft's new 5-page Service Virtualization ROI white paper to learn about the business drivers behind service virtualization purchase decisions, as well as the substantial opportunities for ROI in terms of OpEx reduction, CapEx reduction, risk reduction, and incremental top-line revenue.

More Stories By Cynthia Dunlop

Cynthia Dunlop is the lead technical writer for Parasoft.

@BigDataExpo Stories
The Internet of Things is a misnomer. That implies that everything is on the Internet, and that simply should not be - especially for things that are blurring the line between medical devices that stimulate like a pacemaker and quantified self-sensors like a pedometer or pulse tracker. The mesh of things that we manage must be segmented into zones of trust for sensing data, transmitting data, receiving command and control administrative changes, and peer-to-peer mesh messaging. In his session a...
"At our booth we are showing how to provide trust in the Internet of Things. Trust is where everything starts to become secure and trustworthy. Now with the scaling of the Internet of Things it becomes an interesting question – I've heard numbers from 200 billion devices next year up to a trillion in the next 10 to 15 years," explained Johannes Lintzen, Vice President of Sales at Utimaco, in this SYS-CON.tv interview at @ThingsExpo, held Nov 4–6, 2014, at the Santa Clara Convention Center in San...
As enterprises engage with Big Data technologies to develop applications needed to meet operational demands, new computation fabrics are continually being introduced. To leverage these new innovations, organizations are sacrificing market opportunities to gain expertise in learning new systems. In his session at Big Data Expo, Supreet Oberoi, Vice President of Field Engineering at Concurrent, Inc., discussed how to leverage existing infrastructure and investments and future-proof them against e...
"Desktop as a Service is emerging as a very big trend. One of the big influencers of this – for Esri – is that we have a large user base that uses virtualization and they are looking at Desktop as a Service right now," explained John Meza, Product Engineer at Esri, in this SYS-CON.tv interview at Cloud Expo, held Nov 4–6, 2014, at the Santa Clara Convention Center in Santa Clara, CA.
SYS-CON Events announced today that Gridstore™, the leader in hyper-converged infrastructure purpose-built to optimize Microsoft workloads, will exhibit at SYS-CON's 16th International Cloud Expo®, which will take place on June 9-11, 2015, at the Javits Center in New York City, NY. Gridstore™ is the leader in hyper-converged infrastructure purpose-built for Microsoft workloads and designed to accelerate applications in virtualized environments. Gridstore’s hyper-converged infrastructure is the ...
"People are a lot more knowledgeable about APIs now. There are two types of people who work with APIs - IT people who want to use APIs for something internal and the product managers who want to do something outside APIs for people to connect to them," explained Roberto Medrano, Executive Vice President at SOA Software, in this SYS-CON.tv interview at Cloud Expo, held Nov 4–6, 2014, at the Santa Clara Convention Center in Santa Clara, CA.
“We are a managed services company. We have taken the key aspects of the cloud and the purposed data center and merged the two together and launched the Purposed Cloud about 18–24 months ago," explained Chetan Patwardhan, CEO of Stratogent, in this SYS-CON.tv interview at 15th Cloud Expo, held Nov 4–6, 2014, at the Santa Clara Convention Center in Santa Clara, CA.
We certainly live in interesting technological times. And no more interesting than the current competing IoT standards for connectivity. Various standards bodies, approaches, and ecosystems are vying for mindshare and positioning for a competitive edge. It is clear that when the dust settles, we will have new protocols, evolved protocols, that will change the way we interact with devices and infrastructure. We will also have evolved web protocols, like HTTP/2, that will be changing the very core...
SYS-CON Events announced today that Creative Business Solutions will exhibit at SYS-CON's 16th International Cloud Expo®, which will take place on June 9-11, 2015, at the Javits Center in New York City, NY. Creative Business Solutions is the top stocking authorized HP Renew Distributor in the U.S. Based out of Long Island, NY, Creative Business Solutions offers a one-stop shop for a diverse range of products including Proliant, Blade and Industry Standard Servers, Networking, Server Options and...
You use an agile process; your goal is to make your organization more agile. But what about your data infrastructure? The truth is, today's databases are anything but agile - they are effectively static repositories that are cumbersome to work with, difficult to change, and cannot keep pace with application demands. Performance suffers as a result, and it takes far longer than it should to deliver new features and capabilities needed to make your organization competitive. As your application an...
An effective way of thinking in Big Data is composed of a methodical framework for dealing with the predicted shortage of 50-60% of the qualified Big Data resources in the U.S. This holistic model comprises the scientific and engineering steps that are involved in accelerating Big Data solutions: problem, diagnosis, facts, analysis, hypothesis, solution, prototype and implementation. In his session at Big Data Expo®, Tony Shan focused on the concept, importance, and considerations for each of t...
The 3rd International Internet of @ThingsExpo, co-located with the 16th International Cloud Expo - to be held June 9-11, 2015, at the Javits Center in New York City, NY - announces that its Call for Papers is now open. The Internet of Things (IoT) is the biggest idea since the creation of the Worldwide Web more than 20 years ago.
As the Internet of Things unfolds, mobile and wearable devices are blurring the line between physical and digital, integrating ever more closely with our interests, our routines, our daily lives. Contextual computing and smart, sensor-equipped spaces bring the potential to walk through a world that recognizes us and responds accordingly. We become continuous transmitters and receivers of data. In his session at @ThingsExpo, Andrew Bolwell, Director of Innovation for HP's Printing and Personal S...
In their session at @ThingsExpo, Shyam Varan Nath, Principal Architect at GE, and Ibrahim Gokcen, who leads GE's advanced IoT analytics, focused on the Internet of Things / Industrial Internet and how to make it operational for business end-users. Learn about the challenges posed by machine and sensor data and how to marry it with enterprise data. They also discussed the tips and tricks to provide the Industrial Internet as an end-user consumable service using Big Data Analytics and Industrial C...
More and more file-based and machine generated data is being created every day causing exponential data and content growth, and creating a management nightmare for IT managers. What data centers really need to cope with this growth is a purpose-built tiered archive appliance that enables users to establish a single storage target for all of their applications - an appliance that will intelligently place and move data to and between storage tiers based on user-defined policies. In her session a...
The emergence of cloud computing and Big Data warrants a greater role for the PMO to successfully manage enterprise transformation driven by these powerful trends. As the adoption of cloud-based services continues to grow, a governance model is needed to orchestrate enterprise cloud implementations and harness the power of Big Data analytics. In his session at Cloud Expo, Mahesh Singh, President of BigData, Inc., discussed how the Enterprise PMO takes center stage not only in developing the app...
Things are being built upon cloud foundations to transform organizations. This CEO Power Panel at 15th Cloud Expo, moderated by Roger Strukhoff, Cloud Expo and @ThingsExpo conference chair, addressed the big issues involving these technologies and, more important, the results they will achieve. Rodney Rogers, chairman and CEO of Virtustream; Brendan O'Brien, co-founder of Aria Systems, Bart Copeland, president and CEO of ActiveState Software; Jim Cowie, chief scientist at Dyn; Dave Wagstaff, VP ...
There's Big Data, then there's really Big Data from the Internet of Things. IoT is evolving to include many data possibilities like new types of event, log and network data. The volumes are enormous, generating tens of billions of logs per day, which raise data challenges. Early IoT deployments are relying heavily on both the cloud and managed service providers to navigate these challenges. In her session at Big Data Expo®, Hannah Smalltree, Director at Treasure Data, discussed how IoT, Big D...
The cloud is everywhere and growing, and with it SaaS has become an accepted means for software delivery. SaaS is more than just a technology, it is a thriving business model estimated to be worth around $53 billion dollars by 2015, according to IDC. The question is - how do you build and scale a profitable SaaS business model? In his session at 15th Cloud Expo, Jason Cumberland, Vice President, SaaS Solutions at Dimension Data, discussed the common mistakes businesses make when transitioning t...
Amazon, Google and Facebook are household names in part because of their mastery of Big Data. But what about organizations without billions of dollars to spend on Big Data tools - how can they extract value from their data? In his session at 6th Big Data Expo®, Ali Ghodsi, Co-Founder and Head of Engineering at Databricks, discussed how the zero management cost and scalability of the cloud is addressing the challenges and pain points that data engineers face when working with Big Data. He also s...