December 2008
76 posts
PowerShell ABC's - I is for is →
Welcome to this addition of the PowerShell ABC’s where you’ll find 26 posts detailing a component of the PowerShell scripting language, one letter at a time. Today’s letter is the letter…
20 Lines or Less #18 →
What could you do with your code in 20 Lines or Less? That’s the question I ask (almost) every week, and every week I go looking to find cool new examples that show just how flexible and powerful…
DevCentral Wiki Landings #1 →
The DevCentral iRules, iControl, & Advanced Design & Configuration wikis are flourishing. However, if you are not listening to the weekly roundup podcast, you may not be aware of the…
Investigating the LTM TCP Profile:... →
Last time, we covered the TCP Congestion Control Algorithms. This week, we’ll discuss the delayed acknowledgements, selective acknowledgements, D-SACK, and Ack on Push.
Introducing PoshTweet - The PowerShell Twitter... →
It’s probably no surprise from those of you that follow my blog and tech tips here on DevCentral that I’m a fan of Windows PowerShell. I’ve written a set of Cmdlets that allow you to…
PowerShell ABC's - H is for Here-String →
Welcome to this addition of the PowerShell ABC’s where you’ll find 26 posts detailing a component of the PowerShell scripting language, one letter at a time. Today’s letter is the letter…
PowerShell ABC's - G is for Generics →
Welcome to this addition of the PowerShell ABC’s where you’ll find 26 posts detailing a component of the PowerShell scripting language, one letter at a time. Today’s letter is the letter…
DevCentral Weekly Roundup Episode 67 - Blast From... →
Welcome to the sixty seventh edition of the DevCentral Weekly Roundtable Podcast! A weekly recap of the interesting things that have been going on within the DevCentral…
Acceleration ABCs - A through Z →
Phew, I completed the series before I head off for almost 3 weeks (I’ll be back blogging January 12th). Below is the complete list in case you missed any of them. A is for Asymmetric
VDI Congestion Ahead: Client Traffic In/Out of the... →
Sticking with my VM/Roadwork analogy; seems to hold up rather well. :) I’ve been working a good bit lately on VDI architecture in the data center. Not so much the implementation of things like…
Acceleration ABCs - Z is for Zebra →
There’s an old medical adage that goes something like “When you hear hoof beats look for horses, not zebras.” Zebras are rare and exotic, while horses are much more common. It is often times best…
Network Industry Needs a New Vision:... →
As networks become increasingly strategic to business operations (and the availability of dynamic, automated systems), this vision becomes glaringly obvious to even the most tactical network teams.
That Sappy Holiday Post. →
Well, today is my last day of work until the 5th. I took the end of the year and my birthday off, and will be starting back up recharged and ready to roll (pondering getting out my embedded stuff…
PowerShell ABC's - F is for Format Operator →
Welcome to this addition of the PowerShell ABC’s where you’ll find 26 posts detailing a component of the PowerShell scripting language, one letter at a time. Today’s letter is the letter…
DevCentral Weekly Roundup Episode 66 - Attack Of... →
Welcome to the sixty sixth edition of the DevCentral Weekly Roundtable Podcast! A weekly recap of the interesting things that have been going on within the DevCentral…
The very last post of the year. Probably. Maybe? →
It’s been a very long year, hasn’t it? At least it has if you’ve been diligently trying to post every day for the past, oh, eight months or so. I’ve blogged through maternity leave, through days…
How VM sprawl will drive the urgency of the... →
VM sprawl is predicted to be one of the outcomes of early adoption and excitement over virtualization. Just as IT struggled to manage the explosion of PCs and servers across the enterprise, it is…
Network Industry Needs a New Vision:... →
As networks become increasingly strategic to business operations (and the availability of dynamic, automated systems), this vision becomes glaringly obvious to even the most tactical network teams.
PowerShell ABC's - E is for ExecutionPolicy →
Welcome to this addition of the PowerShell ABC’s where you’ll find 26 posts detailing a component of the PowerShell scripting language, one letter at a time. Today’s letter is the letter…
Acceleration ABCs - Y is for Yslow →
YSlow is a plug-in for Firefox that is integrated with the Firebug web development tool. The plug-in evaluates a web page and provides a score based on 13 criteria. Make Fewer HTTP Requests …
News Flash: Some applications aren't suited for... →
The INTERNET, December 18, 2008 - In what is certainly a blinding epiphany for some it was suddenly realized today that some applications are not well suited for deployment in a public cloud…
Moving VMs to Find The Traffic: Constant... →
Lori and are on the sharing wavelengths today (well, except for ideas on remote vs. local software testing, but we can’t always agree on everything, right? ;) ). She hit the app side, so here’s…
PowerShell ABC's - D is for Debugging →
Welcome to this addition of the PowerShell ABC’s where you’ll find 26 posts detailing a component of the PowerShell scripting language, one letter at a time. Today’s letter is the letter…
F5 ARX System Named 2008 Green IT Product by China... →
China’s foremost government-linked IT authority honors ARX solutions for enabling companies to limit their environmental impact with virtualization
F5 Networks Positioned in Leaders Quadrant of SSL... →
F5 Networks announced that it is positioned in the Leaders quadrant of Gartner, Inc.’s Magic Quadrant for SSL VPN, North America, published in December 2008.
What's good for the network is not always good for... →
Just because you can, doesn’t mean you should. I’m going to start this one by quoting Hoff who was quoting Andreas Antonopoulos of Nemertes Research Group who was paraphrasing a concept…
IE7 Offers Another Reason To Use FireFox →
Microsoft announced today, December 16th, that they have verified a vulnerability in Internet Explorer 7 where a malicious exploit is exposed that could infect your computer with…
Cloud forecast calls for WAN optimization →
How WAN optimization gear can complement cloud computing offerings
A Multi-Faceted World View →
Outside of work I spend some amount of time debating a range of topics with chosen friends over email. This week I’m debating the future of the press with InformationWeek editor Lorna Gary….
PowerShell ABCs - C is for CmdLet →
Welcome to this addition of the PowerShell ABC’s where you’ll find 26 posts detailing a component of the PowerShell scripting language, one letter at a time. Today’s letter is the letter…
The Secret Knowledge of Developers that Network... →
When an application is deployed into a high-availability production environment there are a number of interesting infrastructure related things need to happen. The application delivery controller…
PowerShell ABC's - B is for begin →
Welcome to this addition of the PowerShell ABC’s where you’ll find 26 posts detailing a component of the PowerShell scripting language, one letter at a time. Today’s letter is the letter…
Deploying the F5 BIG-IP LTM with the ANGEL... →
Deploying the BIG-IP LTM system with the ANGEL Learning Management Suite. Tested with BIG-IP LTM 9.3.1 and ANGEL LMS 7.2, 7.3 and 7.4…
Two TwitterBots Are Better Than One! →
I’ve been working on this for a while but never got around to finishing it. Lori’s post from today reminded me of my “unfinished” work so I dug it up and brought it back to life. A…
PHP and iControl: HTTP Statistics and Version Info... →
Using iControl and PHP to retrieve HTTP statistics and version information from BIG-IP.
PHP Twitter Bot for BIG-IP →
Implementing a simple Twitter bot for BIG-IP using iControl and PHP.
Putting the network back in social networking →
A while back Joe blogged about some Twitter integration he’d done around monitoring of BIG-IP. He’s got a PERL proxy that monitors the BIG-IP and sends out notifications and alerts to a…
PowerShell ABC's - A is for Arithmetic Operators →
Well, now that I’ve got the Networking and Social Media ABC’s completed it’s time for another round of glossary fun and games. Being from a development background, I figure it’s about…
Investigating the LTM TCP Profile: Congestion... →
Last week, we covered the TCP Slow Start initial window extension. This week, we’re tackling the remaining congestion control algorithms and the variant implementations supported by the LTM.
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Acceleration ABCs - X is for XML →
I am frequently asked what can be done to accelerate XML. There are two ways an application delivery controller can accelerate XML: Compression - XML is a markup language that is text based. …
Curing the Business-class Broadband Blues with... →
One of the most affordable options for small and medium businesses in terms of Internet connectivity is business-class service from cable and telco providers like Time Warner Cable, Cox, …
DevCentral Weekly Roundup Episode 65 - Fake Jeff →
Welcome to the sixty fifth edition of the DevCentral Weekly Roundtable Podcast! A weekly recap of the interesting things that have been going on within the DevCentral…
F5 ARX and Data Domain - Reduced Expense,... →
We get the opportunity to interview people on occasion, and when we signed a partnership with Data Domain, I became intrigued. The two technologies definitely could be complimentary, but I…
20 Lines or Less #17 →
What could you do with your code in 20 Lines or Less? That’s the question I ask (almost) every week, and every week I go looking to find cool new examples that show just how flexible and…
Social Media ABC's - A To Z →
Well, yesterday’s post brings to a close the 26 days of Social Media ABCs. For those who missed them all, here’s a full listing of all the words I came up with for my version of…
iRule Topic Suggestions →
It’s no surprise to any of you that aren’t just tuning in that I’m a bit of an iRules guy. I love the stuff, and I work with them pretty often. As such most of the articles that I write here have…
9 ways to use network-side scripting to architect... →
You may recall a recent overview on network-side scripting that described a few uses of this technology integrated with application delivery controllers. With thousands of examples of the uses of…
Managing The System Boot Location with iControl →
The BIG-IP has the ability to partition off different “slots” for multiple software installs. This allows for installing a second version of the software on the system without overwriting the…
Storage Virtualization Fundamentals. →
Storage is a large and complex topic – growing more large and complex by the day, both in the amount of storage you have under management and in the complexity of options out there to…
Social Media ABC's - Z is for Zombie →
Welcome to my series of blog posts on the ABC’s of Social Media, a tool that you can use to make you more “hip” in the world of Facebook, Twitter, and LinkedIn (just to name a few). …