Cloud Computing

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Brief introduction to cloud computing

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Cloud Computing

  1. 1. Cloud Computing Ale š Červenka and Pavel Šmerk
  2. 2. What is it? <ul><li>computing without any special hardware or software </li></ul><ul><li>software as well as hardware are somewhere in the Internet </li></ul><ul><li>on the “client” side, all you need is any device with decent Internet connection, i.e. PC, laptop, mobile phone, ... </li></ul><ul><li>according to some people it is only a buzzword that repackages grid- and utility-computing </li></ul>
  3. 3. Why the CLOUD? <ul><li>the cloud is a metaphor for the Internet </li></ul><ul><li>it is derived from its common depiction in network diagrams as a cloud outline. </li></ul>
  4. 4. What makes up a cloud? <ul><li>a pool of highly scalable, abstracted infrastructure, capable of hosting customer applications </li></ul><ul><li>dynamic allocation, scaling, movement of applications </li></ul>
  5. 5. Characteristics <ul><li>you pay for use </li></ul><ul><li>it is completely OS independent </li></ul><ul><li>you need not to own and maintain your own server infrastructure or other special hardware </li></ul><ul><li>you need not even to install any software — you use your web browser to access services </li></ul>
  6. 6. Advantages <ul><li>saves cost, economy of scale </li></ul><ul><li>highly scalable </li></ul><ul><li>speeds innovation </li></ul><ul><li>easy to deploy new services for a global market </li></ul>
  7. 7. Disadvantages <ul><li>you are not in full control of your data </li></ul><ul><li>you must be online to use it </li></ul><ul><li>you depend on your provider </li></ul><ul><li>selling globally means obeying a host of local and international regulations </li></ul><ul><ul><li>data privacy, censorship, human rights </li></ul></ul>
  8. 8. Security <ul><li>you trust your bank that your money is safe </li></ul><ul><li>you trust your ISP that they do not spy on you‏ </li></ul><ul><li>you might also trust your CC services provider that your data is safe and they do not spy on you </li></ul>
  9. 9. Top Providers I. <ul><li>HaaS: Hardware as a Service </li></ul><ul><ul><li>Amazon: Elastic Compute Cloud (Amazon EC2) </li></ul></ul><ul><ul><li>Google: App Engine </li></ul></ul><ul><ul><li>Akamai </li></ul></ul><ul><ul><li>IBM </li></ul></ul>
  10. 10. Top Providers II. <ul><li>SaaS: Software as a Service </li></ul><ul><ul><li>Google: Gmail, Docs </li></ul></ul><ul><ul><li>Yahoo!: Flickr </li></ul></ul><ul><ul><li>Zoho </li></ul></ul><ul><ul><li>Salesforce </li></ul></ul><ul><ul><li>Clarizen </li></ul></ul>
  11. 11. References I. <ul><li>http://en.wikipedia.org/wiki/Cloud_computing </li></ul><ul><li>http://searchenterprisedesktop.techtarget.com/sDefinition/0,,sid192_gci1287881,00.html # </li></ul><ul><li>http://news.bbc.co.uk/2/hi/technology/7693993.stm </li></ul><ul><li>http://news.bbc.co.uk/2/hi/technology/7695624.stm </li></ul><ul><li>http://www.youtube.com/watch?v=6PNuQHUiV3Q </li></ul><ul><li>http://www.youtube.com/watch?v=hplXnFUlPmg&feature=related </li></ul><ul><li>http://www.youtube.com/watch?v=7BAXvFdMBWw&feature=related </li></ul><ul><li>http://www.slideshare.net/guestc2f801/cloud-computing-in-the-enterprise </li></ul>
  12. 12. References II. <ul><li>http://code.google.com/appengine/ </li></ul><ul><li>http://aws.amazon.com/ </li></ul>

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