What cloud computing really means
“Cloud computing is a pay-per-use model for enabling available, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. This cloud model promotes availability.”
“I don’t understand what we would do differently in the light of Cloud Computing other than change the wordings of some of our ads”
Larry Ellision, Oracle’s CEO
“I have not heard two people say the same thing about it [cloud]. There are multiple definitions out there of “the cloud”
Andy Isherwood, HP’s Vice President of European Software Sales
“It’s stupidity. It’s worse than stupidity: it’s a marketing hype campaign.”
Richard Stallman, Free Software Foundation founder
Some have speculated Information Technology will trail similar evolutions of electricity.
Initially businesses had their own power source, but this later shifted to having electrical service provider. Although some businesses in the third world have their own generator, because consistent power supply that we take for granted is still a big issue.
Is Cloud Computing the end of high-end PC? IT business network?
PC Sales Expected to Decline for First Time Since 2001. It’s thanks Cloud Computing, businesses like Netflix , Pinterest a content sharing service that allows members to "pin" images, videos and other objects to their pinboard was founded and instagram a free photo-sharing program and social network that was launched in October 2010 with 100 million users were created.
Otherwise it would have cost a lot of money for start-ups to buy equipment needed to start up a company. Thanks to the Cloud Computing businesses can be up and running less than 24 hours. Operations that would have taken years to complete, can now happen at a click.
Advantages of Cloud Computing
The cloud is always available and can be scaled automatically to meet your business demand.
As we have previously mentioned that initially businesses had their own power source such as Generator, but this later shifted to having electrical service provider. This same is true of Cloud Computing. The cloud is a per pay use: this is totally based on resource consumed, so you only pay for what you use.
Time is money, the cloud will allow you to spend more time analysing data, and spend more time on focusing on your business operations and strategy. This also means you no longer require an administrator to manage your system.
The cloud is also private; if you are worried about security issues you can build your own cloud, using open source software such as OpenStack a global collaboration of developers and cloud computing technologists producing the ubiquitous open source cloud computing platform for public and private clouds.
The following are RAY DEPENA ‘s rankings for the Top 30 Cloud Service Providers.
Amazon Web Services (AWS), Elastic Compute Cloud (EC2), Simple Storage Service (S3), andVirtual Private Cloud (VPC)
Salesforce.com / Sales Cloud 2 (CRM), Service Cloud 2 (Support),Force.com (Development Platform), Chatter (Collaboration)
Citrix – XenServer (Virtualization)
VMWare – vSphere (Virtualization)
IBM Smart Business, Cloudburst
Rightscale (#7 management)
Appirio – Cloud Connectors
Relational Networks – LongJump
Enomaly – Elastic Compute Platform (ECP)
Disadvantages of Cloud Computing.
The cloud is very data intensive and processing intensive. The following are some examples such as indexing huge data, searching and mining the internet. How much data are we talking to give you some example of how data are measured, the diagram below is self-explanatory kilobyte being the smallest and Yottabyte being the biggest.
Wayback Machine has 2 PB + 20 TB/month (2006)
Google processes 20 Petabyte a day (2008)
Large data centres which eats enormous amount of electricity and contribute to harmful greenhouse gas emission.
