Changes
/* Barriers to the adoption of cloud computing */
==Market overview==
[[Image:cloud services-worldwide.jpg|thumb|center|500px|[http://www.lesechos.fr/medias/2009/0519//300350239.pdf Source: Gartner report]]]
[[Image:company-cloud technology.jpg|thumb|center|800px|[http://blogs.zdnet.com/forrester/ Source: blogs.znet.com]]]
[[Image:revenue-cloud services.jpg|thumb|center|500px|[http://www.lesechos.fr/medias/2009/0519//300350239.pdf Source: Gartner report]]]
[[Image:service revenue breakup.jpg|thumb|center|500px|[http://www.lesechos.fr/medias/2009/0519//300350239.pdf Source: Gartner report]]]
[[Image:pros n cons.jpg|thumb|center|500px|[http://blogs.znet.com/Hinchcliffe Source: blogs.znet.com]]]
===Key drivers of cloud computing===
[[Image:drivers-cloud.jpg|thumb|center|800px|[http://srtsolutions.com/blogs/billwagner/archive/2009/06/19/reflections-on-executive-briefing-event-cloud-amp-ria.aspx Source: srtsolutions]]]
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==Primary research - Amazon Web Services==
In our primary research, we talked to an AWS executive to gain insights about how startups and enterprise companies are using cloud computing and, drivers and constraints for the same. Valuable insights have been summarized below:
===Startups===
[[Image:startups-cloud1.jpg|thumb|center|800px]]
===Enterprise===
[[Image:enterprise.jpg|thumb|center|800px]]
==Cloud computing comparison of different vendors==
|align = "center"|
|align = "center"|'''Amazon.com Inc.'''
|align = "center"|'''Microsoft'''
|align = "center"|'''GoGrid (ServePath LLC)'''
|align = "center"|'''Google'''
|align = "center" bgcolor = "#E6EED5"|'''Offerings'''
|align = "center" bgcolor = "#E6EED5"|EC2 (Elastic Compute Cloud) plus S3 (Simple Storage Service)
|align = "center" bgcolor = "#E6EED5"|Windows Azure
|align = "center" bgcolor = "#E6EED5"|GoGrid
|align = "center" bgcolor = "#E6EED5"|Google App Engine
|align = "center"|'''Provider<nowiki>’</nowiki>s Infrastructure'''
|Runs on Amazon.com<nowiki>’</nowiki>s infrastructure. Each availability zone runs on its own physically distinct, independent infrastructure and is engineered to be highly reliable
|Microsoft<nowiki>’</nowiki>s infrastructure
|GoGrid uses the ServePath network, including OC‐12 and GB connections from UUNet, Level 3 Communications Inc., NTT Communications/Verio Inc. and AboveNet Inc
|Google<nowiki>’</nowiki>s infrastructure
|align = "center" bgcolor = "#E6EED5"|'''Provider<nowiki>’</nowiki>s Data‐Storage System'''
|bgcolor = "#E6EED5"|Amazon S3 Web service
|bgcolor = "#E6EED5"|Azure Data Storage REST APIs, data storage functionality through three services BLOB, TABLE and QUEUE
|bgcolor = "#E6EED5"|Storage is part of the server image; vendor plans to offer additional storage options
|bgcolor = "#E6EED5"|Persistent storage with queries, sorting and transactions
|align = "center"|'''Supported Operating Systems'''
|Linux
|Communication protocols such as SOAP, REST and XML allows use of other OS
|Linux, Microsoft Windows, CentOS and Red Hat Enterprise
|Linux, Microsoft Windows and Mac OS X
|align = "center" bgcolor = "#E6EED5"|'''Supported Languages'''
|bgcolor = "#E6EED5"|Linux and Red Hat Enterprise
|bgcolor = "#E6EED5"|.NET, Eclipse, Ruby, PHP, Java and Python
|bgcolor = "#E6EED5"|Java, .NET, Perl, PHP, Python, Ruby on Rails and most shell‐scripting languages
|bgcolor = "#E6EED5"|Python
|align = "center"|'''Supported Applications/'''<br>'''Framework'''
|MySQL Enterprise and OpenSolaris
|ASP.NET and WCF (Windows communications foundation)
|Apache, Facebook applications, IIS, MySQL Enterprise, PostgreSQL and Windows Serve
|Django. Services include URL Fetch, Memcache and image manipulation
|align = "center" bgcolor = "#E6EED5"|'''Scalability'''
|bgcolor = "#E6EED5"|Limited to 20 virtual computer instances during beta period; additional instances are allowed
|bgcolor = "#E6EED5"|No limits on scalability, additional VMs are allocated as processing load increases
|bgcolor = "#E6EED5"|No limits on scalability
|bgcolor = "#E6EED5"|Up to 5 million page views per month with preview release
|align = "center"|'''Security'''
|Provides Web‐service interfaces to configure firewall settings that control network access to and between groups of instances
|Execute applications in dedicated virtual machines, each VM provides a 64-bit windows server 2008 environment, VMs prevent data leakage from one to the other application executing on same server hardware
|Provided via ServePath<nowiki>’</nowiki>s secure infrastructure and telecom facility
|Service runs on Google<nowiki>’</nowiki>s secure infrastructure. App Engine provides a secure sandbox environment
|align = "center" bgcolor = "#E6EED5"|'''Virtualization Technology'''
|bgcolor = "#E6EED5"|Xen
|bgcolor = "#E6EED5"|Modified Hyper-V hypervisor
|bgcolor = "#E6EED5"|Xen
|bgcolor = "#E6EED5"|Undisclosed
|align = "center"|'''Redundancy Features'''
| Ability to place server instances in multiple locations and elastic IP addresses
|Triple-layer redundancy to keep data safe and availability of services high
|RAID servers; plans to offer server snapshots and cloning
|Fault‐tolerant servers
|align = "center" bgcolor = "#E6EED5"|'''Load Balancing'''
|bgcolor = "#E6EED5"|Undisclosed
|bgcolor = "#E6EED5"|Yes, route traffic to active nodes only
|bgcolor = "#E6EED5"|Yes; F5 Network BigIP load balancers.
|bgcolor = "#E6EED5"|Yes
|align = "center"|'''Control Panel'''
|Web‐service interface
|Web interface
|Yes; proprietary multiserver hosting control panel lets you manage servers and scale Web applications and networks
|Proprietary, the Administration Console
|align = "center" bgcolor = "#E6EED5"|'''Development Tools'''
|bgcolor = "#E6EED5"|Command‐line tools for building AMIs
|bgcolor = "#E6EED5"|Integration into Visual Studio, support for any .NET languages, complete command-line SDK tools
|bgcolor = "#E6EED5"|No, not necessary; plans to release public API with the same control as the Web interface
|bgcolor = "#E6EED5"|Python runtime environment,
|align = "center"|'''Additional Cloud‐Storage Service'''
|Included in cloud service
|Undisclosed
|No
|Datastore, a distributed data‐storage service
It is the delta of effort in terms of skills, abilities, experience and technology that the cloud adopter needs to deliver a functional service to their own “End Users”. This will be potentially a major area of cost to the cloud adopters. But it's also the delta of opportunity in terms of 'room' to innovate.
===Hospitality===
* Allows companies to bring application to the market quickly and deployed within a limited budget
:'''e.g. NASDAQ Market Replay application uses Amazon's S3 cloud for data storage but the application part is not running in cloud presently. It has plans to develop future applications in Amazon's EC2.'''
==Companies using cloud computing==
===The New York Times===
[[Image:NYtimes-cloud.jpg|thumb|center|800px|[http://open.blogs.nytimes.com/2007/11/01/self-service-prorated-super-computing-fun/ Source: ope.blogs.nytimes]]]
===Major League Baseball===
[[Image:MLB-cloud.jpg|thumb|center|800px|[http://www.networkworld.com/news/2007/121007-your-take-mlb.html Source: networkworld]]]
===ESPN===
[[image:espn-cloud.jpg|thumb|center|800px|[http://www.opencrowd.com/assets/pdf/opencrowd-ec2.pdf Source: opencrowd]]]
===Hasbro===
[[image:hasbro-cloud.jpg|thumb|center|800px|[http://aws.amazon.com/solutions/case-studies/digitaria/ Source: aws.amazon.com]]]
===Chicago===
[[image:chicago-cloud.jpg|thumb|center|800px|[http://news.prnewswire.com/DisplayReleaseContent.aspx?ACCT=104&STORY=/www/story/06-16-2009/0005045062&EDATE= Source: news.prnewswire]]]
===Cybernet Slash Support (CSS)===
[[image:css-cloud.jpg|thumb|center|800px|[http://cssinnovations.blogspot.com/2008/07/yet-another-ec2-experience-cybernet.html Source: cssinnovations.blogspot]]]
===Intuit===
[[image:intuit-cloud.jpg|thumb|center|800px|[http://www.soasta.com/successstories/index.html Source: soasta.com]]]
===Activision===
[[image:activision-cloud.jpg|thumb|center|800px|[http://www.soasta.com/successstories/index.html Source: soasta.com]]]
==Cloud computing in online photo sharing==
[http://highscalability.com/flickr-architecture Source:highscalability.com]
==Barriers to the adoption of cloud computing==
[[Image:barriers-cloud.jpg|thumb|center|800px|[http://gigaom.com/2008/07/01/10-reasons-enterprises-arent-ready-to-trust-the-cloud/ Source: gigaom]]]
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