Lori MacVittie’s posterous

Random Postings on Application Delivery, Development, and SOA 



October 28, 2009

To Take Advantage of Cloud Computing You Must Unlearn, Luke.

Carrying over the provisioning and capacity planning techniques used in a traditional data center to cloud computing negates the full power of the Force, er, cloud computing.
via devcentral.f5.com

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October 27, 2009

Vertical Scalability Cloud Computing Style

Vertical scalability used to require optimizations inside the application, at the code level. Cloud computing changes the nature of vertical scalability and, one hopes, will lead to a new model of scalability based on the capabilities of Infrastructure 2.0 and more granular resource management.
via devcentral.f5.com

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October 26, 2009

IT Myths and Legends: No One Understands Our Legacy Software

There is a common myth that the reason legacy code continues to run in businesses around the world is that no one understands it; that IT and businesses are afraid to replace it because they don’t know what it does. In fact the truth may be just the opposite...
via devcentral.f5.com

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October 23, 2009

Study Says Economics Not A Driving Factor in Cloud Computing Adoption

Paul Miller pointed out a recent ongoing study from Avanade in which C-level executives were asked, among other questions, how the economic climate effected their decisions regarding cloud. Interestingly “only 13% suggesting it had ‘helped’ adoption plans and 58% reporting ‘no effect.’”
via devcentral.f5.com

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October 22, 2009

WILS: Why Does Load Balancing Improve Application Performance?

Introducing a load balancer into an architecture isn’t necessarily a panacea, but it does offers options to network and application architects looking for the means to improve application performance.
via devcentral.f5.com

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October 21, 2009

The Cloud Is Not A Synonym For Cloud Computing

Thanks to the nearly constant misapplication of the phrase “The Cloud” and the lack of agreement on a clear definition from technical quarters I must announce that “The Cloud” is no longer a synonym for “Cloud Computing”.
via devcentral.f5.com

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October 20, 2009

Meh. It’s Just Data.

There seems to suddenly be a lot of focus on “data” and the ability for users consumers to pack up their data and take it wherever they want.After all, the data was probably created by the consumer and thus, by most people’s definitions, they own the data. But what is "data"?
via devcentral.f5.com

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October 19, 2009

Location, Location, Location

Mobile devices may still be somewhat awkward in terms of supporting rich, web-based applications but they are leaps and bounds ahead of most infrastructure in their ability to figure out where you are. What could you do if you had accurate user location data? Quite a bit...
via devcentral.f5.com

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October 16, 2009

Putting a Price on Uptime

A lack of ability in the cloud to distinguish illegitimate from legitimate requests could lead to unanticipated costs in the wake of an attack. How do you put a price on uptime and more importantly, who should pay for it?
via devcentral.f5.com

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October 15, 2009

Amazon Elastic Load Balancing Only Simple On the Outside

Amazon’s ELB is an exciting mix of well-executed infrastructure 2.0 and the proper application of SOA, but it takes a lot of work to make anything infrastructure look that easy. It's also a great example of what can be accomplished when I2.0 and SOA join forces.
via devcentral.f5.com

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