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Ever since I first published here my tentative list of Top 50 Bloggers on Cloud Computing it became clear that an expansion would be needed before too long. Thanks to community feedback via my Twitter account ( here goes - just three months before Cloud Expo Silicon Valley (November 7-10) - with an expanded roster, listed as before in alphabetical order since I am making no attempt at this stage to rank the various blogs, merely to map - and celebrate - their existence. Dustin Amrhein | "A View from the Clouds" Dave Asprey | "Cloudy Words" Ian Bergin | "Clouded Issues" Randy Bias | "Cloudscaling" Rick Blaisdell | "Rickscloud" Steve Bobrowski | "The Cloud View" Rene Buest | Larry Carvalho | "Robust Cloud" Andrew M. Chapman | "" Sam Charrington | "Cloud Pulse" Colin Clark | "Cloud Event Processing" Peter Coffee | cloudb... (more)

Applying Maslow’s Pyramid to Application Performance

This time I take an a bit of an unconventional approach towards defining performance management. The idea for this article came through a number of customer engagements, where the same question came up over and over again: “How do we start with Application Performance Management and what should we do?” Over time I developed a simple model which I called the performance management pyramid. The basic idea is to assign performance management activities to several levels. Each level serves a specific need and builds on top of the lower ones. Just like a building it starts with the b... (more)

Infrastructure Architecture: Whitelisting with JSON and API Keys

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. the API. Policies are generally focused on the URI, which has effectively become the exposed interface to any given application function. It’s REST-ful, it’s service-oriented, and it works well. Because we’ve taken to leveraging the URI as a basic building block, as the entry-point into an application, it affords the opportunity to optimize architectures and make more efficient the use of compute power available for processing.... (more)

Is PaaS a Bane or Boon to the Hosting Business?

At the WPC, Microsoft has announced that it is now bringing a subset of Windows Azure features to Windows Server to enable hosters offer Cloud capabilities to their customers. With Cloud competing with hosting business, is there a scope for the traditional hosters to sustain their business? Businesses are now overwhelmed with the hosting options that are available to them. They can choose from a variety of options from running their web applications in a tiny VM offered for free by many IaaS providers. Organizations with IT teams that are confident of managing the infrastructure ... (more)

Debunking DRAM vs. Flash Controversy vis-a-vis In-Memory Processing

Wikibon produced an interesting material (looks like paid by Aerospike, NoSQL database recently emerged by resurrecting failed CitrusLeaf and acquihiring AlchemyDB, which product, of course, was recommended in the end) that compares NoSQL databases based on storing data in flash-based SSD vs. storing data in DRAM. There are number of factual problems with that paper and I want to point them out. Note that Wikibon doesn’t mention GridGain in this study (we are not a NoSQL datastore per-se after all) so I don’t have any bone in this game other than annoyance with biased and factu... (more)

Cloud Expo Platinum Plus Sponsor HGST and Gold Sponsor Verizon Team Up

As 13th Cloud Expo / Cloud Expo Silicon Valley draws near, two of its major sponsors are working together in a high-profile way. Platinum Plus Sponsor Hitachi GST (HGST), a Western Digital company, and Gold Sponsor Verizon Enterprise Solutions today announced that HGST is providing solid-state storage solutions for Verizon's recently introduced Verizon Cloud. HGST's s800 Series Serial Attached SCSI (SAS) enterprise-class solid-state drives (SSDs) are being deployed in Verizon's cloud servers, providing large enterprises, mid-size companies and small businesses with high-performin... (more)