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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
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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
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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
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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
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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
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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
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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
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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
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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
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SOA and Performance

Is the pipe half-full or half-empty? David Linthicum does a good job of pointing out the factors that can affect performance of your SOA in his recent Real World SOA entry: When to Consider SOA Performance. I particularly liked rule #3: ... Read more
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Application Fluency

What the heck does that mean? And who are you anyway? Well, hello to you, too! I'm Lori MacVittie, Technical Marketing Manager for Application Services here at F5. If the name sounds familiar that's because I spent the past five and... Read more
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