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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 and has some hidden efficiency benefits, too.
The latest version of the W3C working draft on “Cross-Origin Resource Sharing” lays out the means by which a developer can use XMLHTTPRequest (in Firefox) or XDomainRequest (in IE8) to make cross-...
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Green computing tends to focus on individual servers and devices, but even greater benefits can be realized with an architectural strategy that leverages green computing practices across the data center.
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Technorati Tags: F5,DevCentral,BIG-IP,Application Delivery Controllers,Pete Silva
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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 the server, often both. Web serving tuning is almost always the first step in improving performance and capacity, but the inherently competing behavior of AJAX-requests and “normal” HTTP requests quickly becomes problematic as well. Tune for the AJAX ...
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Well, over the weekend one of our NAS boxes – the NetGear – started throwing SMART errors. Yeah, it was telling me that more and more blocks are going bad and we need to do something about it.
After due consideration (more below) Lori and I decided to replace it with a lower-end enterprise-class NAS.
Now this may sound like odd timing to you, but there’s something I haven’t told you. The NetGear was our tier two because it has a bad channel. It’s been running one disk shy for quite...
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After a week of presentations throughout the Middle East and Europe by Joe & Jeff, I took my turn on the tour, beginning with a couple days in Johannesburg, South Africa, and finishing up the week with a few stops in Europe as well. Today’s session in Antwerp, Belgium, also featured the iRules Contest grand prize winner in the partner division, Sake Blok, with a fine presentation on writing clean iRules and a walk through of his winning iRule. Oh, and he delivered his presentation from...
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Peter Silva and Joel Dujsik show how to configure LDAPS Authentication on the BIG-IP Edge Gateway with BIG-IP LTM functionality.
Technorati Tags: f5,f5networks,big-ip,edge,edge gateway,secure,secure access,consolidate,ssl vpn,remote,LAN,wireless,policy,control,LDAP,LDAPS,LTM,authentication,management
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We worry about VM sprawl but what about device sprawl? Management of a multitude of network-deployed solutions can be as operationally inefficient as managing hundreds of virtual machines, and far more detrimental to the health and performance of your applications. Turning them all into virtual network appliances that might need scaling themselves? That’s even badder.
But all you hardware fanbois best not smirk too much because the proliferation of hardware network devices is only slig...
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Well, I’ll bet you’re wondering how it’s going?
First, the reasons for my silence that you haven’t heard. Last Thursday my wonderful Dell Latitude D820 died. I loved this machine, thought so much of it that last time I updated my home machine I got a D830. But sadly, it was over three years old, and I spend 8+ hours a day abusing it, so no surprise.
The warranty ran out in December, so that left me (IT actually) no option but to replace it. The real reason to include this is to poi...
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Welcome to the one hundred and twenty first edition of the DevCentral Weekly Roundtable Podcast! A weekly recap of the interesting things that have been going on within the DevCentral community.
Hosts: Colin Walker, Don Mac Vittie, Jason Rahm, Jeff Browning, Joe Pruitt, Scott Koon.
In this weeks podcast we did a trip report on Jeff and Joe's trip through Europe last week talking to DevCentral users and partners and wer...
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Jeff and Joe take some time after our presentation in Stockholm to talk with iRule Contest finalist Henrik Gyllkrans about writing fast iRules, his company Advanced IP, and his winning cookie tampering iRule. Technorati Tags: F5,DevCentral,iRules,Stockholm,Henrik Gyllkrans,Joe Pruitt
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