And what it means to #devops One of the realities of application development is that there are a lot of factors that go into its underlying architecture. I came of age during the Epoch of Client-Server Architecture (also known as the 1990s an... Read more

#webperf For addressing challenges related to performance of #mobile devices and networks, caching is making a comeback.   It's interesting - and almost amusing - to watch the circle of technology run around best practices wit... Read more

Domain sharding is a well-known practice to improve application performance – and you can implement automatically without modifying your applications today. If you’re a web developer, especially one that deals with AJAX or is responsible for... Read more

#v11 AJAX, JSON and an ever increasing web application spread increase the odds of succumbing to a breach. BIG-IP ASM v11 reduces those odds, making it more likely you’ll win at the security table When we use analogy often enough it becomes... Read more

Audio White Paper - Application Security in the Cloud with BIG-IP ASM Read more

If you’ve perused any media outlet of late, the barrage of cyber threats are unrelenting and protecting your networks and applications continues to be a never ending task.  Organizations are making significant investments in IT security to... Read more

Five years ago the OpenAjax Alliance was founded with the intention of providing interoperability between what was quickly becoming a morass of AJAX-based libraries and APIs. Where is it today, and why has it failed to achieve more prominence? I... Read more

Mobile and tablet platforms are hyping HTML5, but many applications are bound to a traditional client-server model, making API performance a top concern for organizations. I recently received an e-mail from Strangeloop Networks with a subject... Read more

As the majority of an application’s presentation layer logic moves to the client it induces changes that impact the entire application delivery ecosystemThe increase in mobile clients, in demand for rich, interactive web applications, and the... Read more

The W3C specification now offers the means by which cross-origin AJAX requests can be achieved. Leveraging network and application network services in conjunction with application-specific logic improves security of allowing cross-domain requests... Read more

Scaling applications that include AJAX and non-AJAX components may require more than just tuning your web server  A common problem after deploying a Web 2.0 AJAX-based application shows itself through poor performance or lower capacity on... Read more

Being an efficient developer often means abstracting functionality such that a single function can be applied to a variety of uses across an application. Even as this decreases risk of errors, time to develop, and the attack surface necessary to... Read more

A recent tweet about a free, Linux-based XML Security suite reminded me that we do not opine on the subject of XML security and its importance enough. SOA has certainly been dethroned as the technology darling du jour by cloud computing and... Read more

A recent tweet about a free, Linux-based XML Security suite reminded me that we do not opine on the subject of XML security and its importance enough. SOA has certainly been dethroned as the technology darling du jour by cloud computing and... Read more

An interesting thing happens when you combine toolkits like XAJAX and SAJAX and the ability to perform content-based routing: you can actually achieve function-level load balancing in both cloud-based and traditional architectures. As you might... Read more

Cloud offers an appealing “pay only for what you use” that makes it hard to resist. Paying on a per-usage hour basis sounds like a good deal, until you realize that your site is pretty much “always on” because of bots, miscreants, and users. In... Read more

The problem of AJAX, interstitial request patterns, and the effect on the performance and availability of your applications. There are several reasons why applications need to be scaled out but they all come down to essentially addressing the... Read more

AJAX enables the use of network-side scripting enabled application delivery solutions to offload client-side functionality and improve capacity and performance of dynamic (Web 2.0/AJAX) applications. In the last couple of weeks I’ve embarked on a... Read more

This whole Web 2.0-sucking-the-life-out-of-servers problem? Yeah, it’s nothing new if you’ve been paying attention. I am not one prone to fits of smug arrogance. I don’t generally ever say “I told you so” (even if I did) or tsk-tsk when you... Read more

As an application delivery solution provider focused on securing, accelerating, and optimizing web applications, we pay a lot of attention to web application development trends. Languages, environments, and technologies are all of significant... Read more

Don is off in Lowell working on a project with our ARX folks so I was working late last night (finishing my daily read of the Internet) and ended up reading Scott Hanselman's discussion of threads versus processes in Chrome and IE8. It was a... Read more

Developers have an almost supernatural ability to workaround restrictions, even though some of the restrictions on building applications delivered via the web have been akin to a kryptonite. Like Superman fighting through the debilitating effects... Read more

For those of you unfamiliar with the idiom, it should be taken to mean "benefiting one at the expense of another." In this case, Paul is the end-user and Peter is the server administrator. Or better yet, Paul is the browser and Peter is... Read more

In general, we talk a lot about the benefits of SOA in terms of agility, aligning IT with the business, and risk mitigation. Then we talk about WOA (web oriented architecture) separately from SOA (service oriented architecture) but go on to... Read more

No, it's not this one. It's not even mine. It's this one on High Scalability written by Todd Hoff. Not only does he explain latency and its sources, but its costs. Then he goes on to offer a plethora of ways to reduce latency. A... Read more