Gary Kaiser

Gary is a Subject Matter Expert in Network Performance Analytics at Dynatrace, responsible for DC RUM’s technical marketing programs. He is a co-inventor of multiple performance analysis features, and continues to champion the value of network performance analytics. He is the author of Network Application Performance Analysis (WalrusInk, 2014).

Gary Kaiser's articles

A Tale of Two Load Balancers

It was the best of load balancers, it was the worst of load balancers, it was the age of happy users, it was the age of frustrated users. I get to see a variety of interesting network problems; sometimes these are first-hand, but more frequently now these are through our partner organization. Some are old hat; TCP window constraints on high latency networks remain at the top of that list. … read more

A Thousand Points of Light: Critical Performance Insights from Wire Data

Modernizing and optimizing. Transforming. If you’re in IT, you hear these terms frequently. They likely mean different things to different organizations, but there are a couple of recurring themes. Increasing agility to respond in real time to shifts in business demands. Managing the costs associated with increased complexity, through automation and intelligence as well as rationalization and consolidation. Cloud – private, hybrid, public – is not the result; rather, cloud … read more

Can wire data be APM?

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.” This was around the same time I referred casually to Dynatrace’s wire data offering (Data Center Real User Monitoring, or … read more

The Opposite of War Room Isn’t Peace Room

Last week, I was trying to come up with a term for the opposite of war room. Why? I made a note a few months ago while reading a Gartner paper extolling the virtues of wire data, specifically as applied to the modern data center’s availability and performance management disciplines. Among other insights, the authors recommend convening frequent war rooms “…to encourage cross-team exploration” of performance data. Since the term … read more

Because you can’t always blame network operations…or the network!

What’s your most memorable “blame the network” anecdote? If you’re in network operations, you will likely have many from which to to choose. After all, doesn’t the network always get blamed first? To be fair, other teams often feel the same. Citrix and VMware admins have alternately been touted as “the new network guy,” and as this Dilbert cartoon suggests, the stigma can impact almost anyone in IT. If you’re on the … read more

Where APM Agents Fear to Tread

How important is APM to your organization? Assuming you’re reading this in the 21st century (if not, come back to the future!), the answer is probably pretty important. Your applications are the business. The digital experiences of your customers depend on them, as does the productivity of your employees. And, according to a Gartner Survey on End-User Experience Monitoring, companies with between 1,000 and 10,000 employees have an average of … read more

Wire Data: A 20-year history & a bright future

While the term “wire data” may be relatively new, the concept isn’t; probes and capture agents have been collecting and examining network traffic almost from the beginning of network time. The term has been used casually by many network analysts, is particularly popular with Wireshark users, and – in a very casual Google search – was referenced in vendor documentation as early as March 2012. In fact, wire data has … read more

Top APM Acquisition Criteria and Behavior – and a Key Inhibitor

Lately I’ve been looking at some APM-related trends – specifically APM Acquisition Criteria and Behavior — to determine, to some degree, what motivates an organization to purchase. I’ve also been reading blogs, reading between the lines of vendor messaging, and of course relying on analyst research; it is this last bit of (relatively) unbiased insight that I’ll emphasize here, using it as a framework to highlight a few key features … read more

Application Performance Analytics: A Network Framework

So, why a discussion around Application Performance Analytics? Well, there’s a lot of buzz in this industry around the topic of performance analytics – an informal subset of IT operations analytics (ITOA) – as a solution to the growing mountains of monitoring data and the increasing complexity of application and network architectures. At the same time, there exist many purpose-built performance analysis solutions. Many are domain-centric – server monitoring and … read more

IT’s Little Secret: Too little End-User Experience (EUE) data use

Many of us are grappling with the modern demands of digital business; developing new mobile apps, evaluating security in the face of IoT, moving to hybrid clouds, testing approaches to defining networks through software. It’s all part of the hard trend towards service-oriented IT, with a primary goal of delivering a premium end user experience (EUE) to all your users – internal, partners, and customers  – with the speed, quality … read more