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	<title>Comments on: A Berkeley View Of Cloud Computing : An Analysis &#8211; the good, the bad and the ugly</title>
	<atom:link href="http://doubleclix.wordpress.com/2009/02/14/a-berkeley-view-of-cloud-computing-an-analysis-the-good-the-bad-and-the-ugly/feed/" rel="self" type="application/rss+xml" />
	<link>http://doubleclix.wordpress.com/2009/02/14/a-berkeley-view-of-cloud-computing-an-analysis-the-good-the-bad-and-the-ugly/</link>
	<description>A technologist's view of things ...</description>
	<lastBuildDate>Mon, 07 Dec 2009 19:06:17 +0000</lastBuildDate>
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		<title>By: Ravi Kulkarni</title>
		<link>http://doubleclix.wordpress.com/2009/02/14/a-berkeley-view-of-cloud-computing-an-analysis-the-good-the-bad-and-the-ugly/#comment-1553</link>
		<dc:creator>Ravi Kulkarni</dc:creator>
		<pubDate>Fri, 24 Apr 2009 19:03:31 +0000</pubDate>
		<guid isPermaLink="false">http://doubleclix.wordpress.com/?p=191#comment-1553</guid>
		<description>I agree with a lot of what you. In my opinion it is not necessary to make a distinction between the public and private clouds. This is particularly true for large enterprises. All of us have large of number of computing resources sitting idle somewhere because they are not in use. A cloud computing paradigm could significantly reduce IT costs.

Ravi</description>
		<content:encoded><![CDATA[<p>I agree with a lot of what you. In my opinion it is not necessary to make a distinction between the public and private clouds. This is particularly true for large enterprises. All of us have large of number of computing resources sitting idle somewhere because they are not in use. A cloud computing paradigm could significantly reduce IT costs.</p>
<p>Ravi</p>
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		<title>By: A Management Consultant&#8217;s View of Cloud Computing or Why McKinsey shouldn&#8217;t leave it&#8217;s day job ! &#171; My missives</title>
		<link>http://doubleclix.wordpress.com/2009/02/14/a-berkeley-view-of-cloud-computing-an-analysis-the-good-the-bad-and-the-ugly/#comment-1549</link>
		<dc:creator>A Management Consultant&#8217;s View of Cloud Computing or Why McKinsey shouldn&#8217;t leave it&#8217;s day job ! &#171; My missives</dc:creator>
		<pubDate>Sun, 19 Apr 2009 23:15:21 +0000</pubDate>
		<guid isPermaLink="false">http://doubleclix.wordpress.com/?p=191#comment-1549</guid>
		<description>[...] Possibly related posts: (automatically generated)A Berkeley View Of Cloud Computing : An Analysis - the good, the bad and th&#8230;&#8220;Body Shopping&#8221;   Comments [...]</description>
		<content:encoded><![CDATA[<p>[...] Possibly related posts: (automatically generated)A Berkeley View Of Cloud Computing : An Analysis &#8211; the good, the bad and th&#8230;&ldquo;Body Shopping&rdquo;   Comments [...]</p>
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		<title>By: blog.dsa-research.org &#187; Archives &#187; Haizea and Private Clouds</title>
		<link>http://doubleclix.wordpress.com/2009/02/14/a-berkeley-view-of-cloud-computing-an-analysis-the-good-the-bad-and-the-ugly/#comment-1461</link>
		<dc:creator>blog.dsa-research.org &#187; Archives &#187; Haizea and Private Clouds</dc:creator>
		<pubDate>Thu, 19 Feb 2009 18:36:13 +0000</pubDate>
		<guid isPermaLink="false">http://doubleclix.wordpress.com/?p=191#comment-1461</guid>
		<description>[...] the Clouds: A Berkeley View of Cloud Computing&#8220;. This report has been getting mixed reviews and, personally, I can&#8217;t say I agree with many of the things they say, particularly the way [...]</description>
		<content:encoded><![CDATA[<p>[...] the Clouds: A Berkeley View of Cloud Computing&#8220;. This report has been getting mixed reviews and, personally, I can&#8217;t say I agree with many of the things they say, particularly the way [...]</p>
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		<title>By: TroyG</title>
		<link>http://doubleclix.wordpress.com/2009/02/14/a-berkeley-view-of-cloud-computing-an-analysis-the-good-the-bad-and-the-ugly/#comment-1452</link>
		<dc:creator>TroyG</dc:creator>
		<pubDate>Mon, 16 Feb 2009 17:14:43 +0000</pubDate>
		<guid isPermaLink="false">http://doubleclix.wordpress.com/?p=191#comment-1452</guid>
		<description>I have to disagree with your analysis of the definition of Cloud Computing, specifically internal vs external clouds. The primary benefit of cloud computing are the cost efficiencies derived from the economies of scale that large cloud providers can offer. Simply said, internal clouds cannot offer this benefit. Yes, there are other benefits, but the customers that I talk to (actual customers, not just academics discussing the cloud) are considering the Cloud to save $$$. And yes, the definition excludes some from the Cloud Computing club, but such a definition is needed to clear the clutter and help the customer to distinguish between a real cloud provider and one that has just re-branded.</description>
		<content:encoded><![CDATA[<p>I have to disagree with your analysis of the definition of Cloud Computing, specifically internal vs external clouds. The primary benefit of cloud computing are the cost efficiencies derived from the economies of scale that large cloud providers can offer. Simply said, internal clouds cannot offer this benefit. Yes, there are other benefits, but the customers that I talk to (actual customers, not just academics discussing the cloud) are considering the Cloud to save $$$. And yes, the definition excludes some from the Cloud Computing club, but such a definition is needed to clear the clutter and help the customer to distinguish between a real cloud provider and one that has just re-branded.</p>
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		<title>By: radco</title>
		<link>http://doubleclix.wordpress.com/2009/02/14/a-berkeley-view-of-cloud-computing-an-analysis-the-good-the-bad-and-the-ugly/#comment-1450</link>
		<dc:creator>radco</dc:creator>
		<pubDate>Mon, 16 Feb 2009 06:24:46 +0000</pubDate>
		<guid isPermaLink="false">http://doubleclix.wordpress.com/?p=191#comment-1450</guid>
		<description>You are missing the significance of some key points:

The 5 to 7 x advantage is due to economy of scale that is very difficult to achieve privately.

Coupled with this scale is the availability of a very wide sampling of workloads which is difficult to get in a private setting - leading to better statistical multiplexing, leading to better utilization, leading to better payment model, leading to better ROI.  So, in a sense, payment model is truly the only differentiating feature that makes cloud computing uniquely different, and not any technology component or platform.</description>
		<content:encoded><![CDATA[<p>You are missing the significance of some key points:</p>
<p>The 5 to 7 x advantage is due to economy of scale that is very difficult to achieve privately.</p>
<p>Coupled with this scale is the availability of a very wide sampling of workloads which is difficult to get in a private setting &#8211; leading to better statistical multiplexing, leading to better utilization, leading to better payment model, leading to better ROI.  So, in a sense, payment model is truly the only differentiating feature that makes cloud computing uniquely different, and not any technology component or platform.</p>
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		<title>By: Jay Shenoy</title>
		<link>http://doubleclix.wordpress.com/2009/02/14/a-berkeley-view-of-cloud-computing-an-analysis-the-good-the-bad-and-the-ugly/#comment-1449</link>
		<dc:creator>Jay Shenoy</dc:creator>
		<pubDate>Sun, 15 Feb 2009 23:01:04 +0000</pubDate>
		<guid isPermaLink="false">http://doubleclix.wordpress.com/?p=191#comment-1449</guid>
		<description>I agree with your good and bad assesments, and even some of the &quot;ugly&quot; ones - e.g. the economic multipliers in Table2 being somewhat contrived ( even Tier2 colos do much much better than $95 per Mbps-month). 

But have to take issue with some of the other &quot;ugly&quot; classifications. 

Statistical Multiplexing: Not sure if this is a trick question. Elasticity based on oversubscription (which again relies on not everyone peaking at the same time) is baked into access networks and more recently in storage (thin provisioning buzzword). 

Data transfer bottleneck: The first three instances of grid/cloud computing that I heard about as being spectacular successes all involved very significant amounts of data. They are: a) SETI (not a commercial cloud but. still) that ingests significant amounts of data from all sorts of telescopes. b) A transcoding application example, that took a massive media library from one of the mainstream owners and transcoded them into several web-friendly formats on EC2 as a one-time effort. c) Actually more an S3 application (mostly storage) where Smugmug uses AWS to safely house it&#039;s paid content. 

So they do have a very valid point there as well.</description>
		<content:encoded><![CDATA[<p>I agree with your good and bad assesments, and even some of the &#8220;ugly&#8221; ones &#8211; e.g. the economic multipliers in Table2 being somewhat contrived ( even Tier2 colos do much much better than $95 per Mbps-month). </p>
<p>But have to take issue with some of the other &#8220;ugly&#8221; classifications. </p>
<p>Statistical Multiplexing: Not sure if this is a trick question. Elasticity based on oversubscription (which again relies on not everyone peaking at the same time) is baked into access networks and more recently in storage (thin provisioning buzzword). </p>
<p>Data transfer bottleneck: The first three instances of grid/cloud computing that I heard about as being spectacular successes all involved very significant amounts of data. They are: a) SETI (not a commercial cloud but. still) that ingests significant amounts of data from all sorts of telescopes. b) A transcoding application example, that took a massive media library from one of the mainstream owners and transcoded them into several web-friendly formats on EC2 as a one-time effort. c) Actually more an S3 application (mostly storage) where Smugmug uses AWS to safely house it&#8217;s paid content. </p>
<p>So they do have a very valid point there as well.</p>
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		<title>By: Herb VanHook</title>
		<link>http://doubleclix.wordpress.com/2009/02/14/a-berkeley-view-of-cloud-computing-an-analysis-the-good-the-bad-and-the-ugly/#comment-1448</link>
		<dc:creator>Herb VanHook</dc:creator>
		<pubDate>Sun, 15 Feb 2009 22:05:45 +0000</pubDate>
		<guid isPermaLink="false">http://doubleclix.wordpress.com/?p=191#comment-1448</guid>
		<description>Krishna,

Totally agree with your analysis.  Not particularly insightful - and the paper takes a rather narrow view in an attempt to make its points.

H.</description>
		<content:encoded><![CDATA[<p>Krishna,</p>
<p>Totally agree with your analysis.  Not particularly insightful &#8211; and the paper takes a rather narrow view in an attempt to make its points.</p>
<p>H.</p>
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