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Gregor Petri

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Top Stories by Gregor Petri

Tune into: a cloud mindset One of the tenets of the cloud religion is that it should be possible – through the use of intelligent software – to build reliable systems on top of unreliable hardware. Just like you can build reliable and affordable storage systems using RAID (Redundant Arrays of Inexpensive Disks). One of the largest cloud providers even evangelizes to its application development customers that they should assume that “everything that can go wrong, will go wrong”.  In fact their SLA only kicks in after a minimum of two zones becomes unavailable. Quite a surprising but none the less a typical cloud approach. Nowadays most of the large cloud providers buy very reliable hardware. When running several hundred thousands of servers a failure rate of 1 PPM versus 2 PPM (parts per million) makes quite a difference. And using too cheap memory chips can cause ... (more)

Tune into the Cloud – Something Got Me Started By @GregorPetri | @CloudExpo #Cloud

Tune into: the need for speed By now it is widely acknowledged that cloud enables a fast (agile) start. But more important than a fast start is getting results quickly. We are talking then about high productivity platforms, a category of PaaS. Funnily enough, several cloud providers – such as Microsoft and Google – launched a PaaS platform first and only later – when they saw how quickly the virtual machine based IaaS services from Amazon were becoming popular – technically did a step back to launch a lower level IaaS service. Achieving cloudiness aspects such as scalability, ela... (more)

Tune into the Cloud: Price Tag By @GregorPetri | @CloudExpo [#Cloud]

Tune into: cloud margins. One of the most famous quotes of Amazon CEO Jeff Bezos is “Your Margin is My Opportunity”. This illustrates nicely how in the world of Amazon (and in the words of UK’s pop idol Jessie J*): “It’s not about the money³, we do not need your money³, we just wanna make the world dance!” In the cloud this – a bit unworldly – attitude is fairly normal. Think of Facebook buying WhatsApp for about $ 16 billion, only to make it available for free to large parts of the world via Internet.org. For more traditional competitors this kind of “semi-philanthropic” way of ... (more)

How Lean is your Cloud? Part 2

In the first part we discussed lessons that IT can learn from a hundred years of manufacturing best practices and the possible role of cloud computing in that endeavor. We now continue with what may very well be the area that IT can learn most from manufacturing: Costing. Costing. Many feel that the billions that the industry invested in ERP systems can be justified by the improved planning capabilities that such a global perspective gives. Reality however is that the benefits of ERP – if any – come more from improved financial visibility. By being able to compare costs, prices a... (more)

Can the Real Cloud Market Size Please Stand Up?

It seems like every week another sizing of the cloud market is published, and – maybe as to be expected - none of them seem to agree. Let’s have a look at who is saying what, and whether we are comparing apples to apples, or apples and oranges. We will start by looking at SaaS. The most recent numbers from IDC claim that SaaS revenue will grow 5 times faster than traditional packaged software. This would mean little if traditional packaged software is expected to no longer grow (five times zero would still be zero). Joe McKendrick at ZDNet took IDC’s numbers and extrapolated from t... (more)