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F5 Friday: Programmability and Infrastructure as Code

#SDN #ADN #cloud #devops What does that mean, anyway? SDN and devops share some common themes. Both focus heavily on the notion of programmability in network devices as a means to achieve specific goals. For SDN it’s flexibility and rapid... Read more
0 Reviews

Red Herring: Hardware versus Services

In a service-focused, platform-based infrastructure offering, the form factor is irrelevant. One of the most difficult aspects of cloud, virtualization, and the rise of platform-oriented data centers is the separation of services from their... Read more
0 Reviews

Infrastructure Architecture: Whitelisting with JSON and API Keys

Application delivery infrastructure can be a valuable partner in architecting solutions …. AJAX and JSON have changed the way in which we architect applications, especially with respect to their ascendancy to rule the realm of integration, i.e.... Read more
0 Reviews

F5 Friday: Performance Analytics–More Than Eye-Candy Reports

#v11 Application-centric analytics provide better visibility into performance, capacity and infrastructure utilization Maintaining performance and capacity of web sites and critical applications – especially those of the revenue-generating ilk... Read more
1 Review

The Stealthy Ascendancy of JSON

While everyone was focused on cloud, JSON has slowly but surely been taking over the application development worldIt looks like the debate between XML and JSON may be coming to a close with JSON poised to take the title of preferred format for web... Read more
1 Review

The Thing That’s Not In Your Budget

There is one little thing you’re missing from your IT budget. While it impacts manpower most of all, you’ll be feeling it throughout your budget, and see signs of it in other departments as well. You should plan for it, because it is nearly a... Read more
0 Reviews

DevCentral Top5 12/11/2009

There has been plenty to do the past couple of weeks, which means there's plenty to talk about today. Ranging from gaming to storage virtualization to interviews and more, I bring you my Top 5 picks of the week from DevCentral. And yes, of... Read more
0 Reviews

20 Lines or Less # 33 – Killer contest entries in 20 Lines or Less

What could you do with your code in 20 Lines or Less? That's the question I ask (almost) every week for the devcentral community, and every week I go looking to find cool new examples that show just how flexible and powerful iRules can be... Read more
0 Reviews

JSON versus XML: Your Choice Matters More Than You Think

Should the enterprise standardize on JSON or XML as their lingua franca for Web 2.0 integration? Or should they use both as best fits the application?The decision impacts more than just integration – it resounds across the entire... Read more
0 Reviews

JSON versus XML: Your Choice Matters More Than You Think

Should the enterprise standardize on JSON or XML as their lingua franca for Web 2.0 integration? Or should they use both as best fits the application?The decision impacts more than just integration – it resounds across the entire... Read more
0 Reviews

XAJAX Perfect Choice to Build Scalable Web Applications for Cloud Computing Environments

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
0 Reviews

AJAX and Network-Side Scripting

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
1 Review

Rip and Replace Won’t Solve Twitter’s (Or Your) Security Problems

The “replace” in “rip and replace” essentially means getting rid of old security problems and replacing them with new ones. Twittergate is (thankfully) behind us but it’s almost assuredly going to be the case that we’ll be rehashing this one for... Read more
0 Reviews

Business-Layer Load Balancing

One of the interesting points that discussions around intercloud brings up is the need for infrastructure to, if you’ll pardon the use of marketing jargon, align with the business. What that really means is that applications and their supporting... Read more
0 Reviews

Can You Teach an Old Developer New Tricks?

When SOA was declared dead there was a spate of articles and blogs on why the architecture “died.” Most pundits came to the conclusion that like many innovations it wasn’t the technology to blame but rather people. Architects lacked the skills to... Read more
0 Reviews

Confession: I love Flex, but we're parting ways in 40 or so days

Over the holidays I did, as most folks I suspect, things I enjoy doing. For me, one of those things was playing around with Adobe's Flex using Flex Builder 3. Yes, I am that much of a geek. I was a bit concerned it would take some time to... Read more
0 Reviews

Support, Social Technology, and Trust

As Don mentioned earlier this week, we took the plunge and entered Forrester's Groundswell contest. To me, I believe this is the ultimate testament to what you, the community, are doing on DevCentral everyday (check out this page - it's... Read more
0 Reviews

Layer 7 Switching + Load Balancing = Layer 7 Load Balancing

Modern load balancers (application delivery controllers) blend traditional load-balancing capabilities with advanced, application aware layer 7 switching to support the design of a highly scalable, optimized application delivery network.... Read more
Average Rating: 4.9
5 Reviews

iRules: Dynamic WSDL Update

Remember way back when we talked about dynamically updating a WSDL to present the appropriate endpoint when being delivered through a BIG-IP? You may recall the basic problem: automatically generated WSDL docs contain the local web/application... Read more
0 Reviews

Application Delivery: Loose-Coupling for Legacy Apps

How to apply SOA principles to traditional web application architecture I promised kudos and comments last week for Ronald Schmelzer's ZapNote on the requirement for a service proxy in SOA implementations and so I shall right now. While Ron... Read more
0 Reviews

SOA & Web 2.0: The Connection Management Challenge

A Quick History Lesson Back in the day, server-load balancing vendors figured out that connection management (the setup and teardown of TCP/IP connections) was actually quite a burden on servers. You see, the server not only had to spend time... Read more
0 Reviews

What is iControl? And more importantly, what can I do with it?

Over the past three weeks Don and I have had a lot of time to chat whilst making the trek back and forth between home and the hospital where the newest member of our family was keeping residence. Mostly we talked about our new son and speculating... Read more
0 Reviews

Availability and the Rise of the Mashup

Google. Amazon. Facebook. LinkedIn. Salesforce.com. While certainly not an all inclusive list, these very recognizable web monsters all offer access to their "platforms" via a web-based API, a.k.a. services. With the notable exception of... Read more
0 Reviews

Web 2.0? Or Web 2.0?

As you've no doubt noticed, there is a bit of duplicate name confusion in the Web 2.0 world. Developers say "Web 2.0" and they mean SOA, dynamic binding, etc. When business people say "Web 2.0" they mean blogs, video, RSS... Read more
0 Reviews

The XML Gateway Sandwich

Occassionally I get to chat with the guys in the trenches about ongoing implementations involving BIG-IP. Often these involve deploying BIG-IP in front of XML/SOA gateways for load balancing and high-availability (a la failover) duties, as well a... Read more
0 Reviews