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Cloud Computing

Andy Bechtolsheim
Chairman & Co-founder, Arista Networks


November 12th, 2008
What is Cloud Computing?



The Fifth Generation of Computing
(after Mainframe, Personal Computer,
Client-Server Computing, and the web)




                                        2
What is Cloud Computing?




    The biggest thing
    since the web?


                           3
How big is Cloud Computing?




          $42B
Estimated size of the cloud computing
Infrastructure market in 2012, up from
$16B in 2008, IDC October 2008
                                         4

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The document discusses emerging cloud computing technologies including Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Database as a Service. It notes that IaaS is currently the fastest growing cloud service, with Gartner reporting 42.4% growth in 2012. Popular IaaS providers include Amazon Web Services, CloudStack, and OpenStack. PaaS offerings from Google App Engine, Heroku, and Amazon Elastic Beanstalk are analyzed in terms of their approaches and limitations. Best practices for adopting PaaS include considering application requirements, resources, data needs, and interactions beyond the platform.

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Most organizations have heard of the cloud, but not everyone is at the same stage on their cloud journey. This SlideShare overviews how to best leverage the cloud, the multitude of options and the typical stages of transition. Also outlined are the steps you can take to get where you want to go on your cloud journey faster and more efficiently.

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Projected Cloud Spending (IDC 2008)


  Year                  2008    2012    Growth
  Cloud IT Spending     $16B    $42B    27%
  Total IT Spending     $383B   $494B   7%
  Total – Cloud Spend   $367B   $452B   4%
  Cloud / Total Spend   4%      9%


         Cloud Spending is growing 6X faster
             than traditional IT spending


                                                 5
Worldwide IT Cloud Spending 2012




Source: IDC October 2008
                                   6
What is Driving Cloud Computing?
Customer Perspective
• In one word: economics
• Faster, simpler, cheaper to use cloud apps
• No upfront capital required for servers and storage
• No ongoing operational expenses for running datacenter
• Applications can be accessed from anywhere, anytime




                                                           7
What is Driving Cloud Computing?
Vendor Perspective
• Easier for application vendors to reach new customers
• Lowest cost way of delivering and supporting applications
• Ability to use commodity server and storage hardware
• Ability to drive down data center operational cots
• In one word: economics




                                                              8

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Quote of the Day




    Over the long term,
    absent of other barriers,
    economics always win!


                                9
What are the Barriers to Cloud Computing?
Customer Perspective
• #1 Data Security
  •  Many customers don’t wish to trust their data to “the cloud”
  •  Data must be locally retained for regulatory reasons
• #2 Latency
  •  The cloud can be many milliseconds away
  •  Not suitable for real-time applications
• #3 Application Availability
  •  Cannot switch from existing legacy applications
  •  Equivalent cloud applications do not exist

Not all applications work on public clouds



                                                                    10
What are the Barriers to Cloud Computing?
Vendor Perspective
• #1 Service Level Agreements
 •  What if something goes wrong?
 •  What is the true cost of providing SLAs?
• #2 Business Models
 •  SaaS/PaaS models are challenging
 •  Much lower upfront revenue
• #3 Customer Lock-in
 •  Customers want open/standard APIs
 •  Need to continuously add value

Each applications is unique



                                               11
The Private Enterprise Cloud

• Harness the advantages of clouds for the enterprise
  •  Cost-effective datacenter infrastructure
  •  Server and storage resource pools
• High Availability and Reliability in Software
  •  Virtual application environment
  •  Separation of processing and storage
• On-demand Application Deployment
  •  Greatly increases server utilization
  •  Prioritization based on business requirements




                                                        12

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Private Cloud Architecture Elements

• Server Virtualization
  •  Enable any app to run on any server anytime
• Highly Available Storage
  •  Network block and file servers
• Low latency, high-bandwidth network
  •  Enable application mobility in the cloud
• Pre-emptive application scheduler
  •  Implements business rules and priorities
• Low-cost industry standard servers
  •  Transcend hardware failures with software




                                                   13
Traditional Enterprise Datacenter Utilization

100
 90
 80
 70
 60
 50
 40
 30
 20
 10
  0

Traditional Enterprise Datacenter utilization is often below 20%

                                                            14
Virtualized Enterprise Datacenter Utilization

100
 90
 80
 70
 60
 50
 40
 30
 20
 10
  0

Virtualization significantly improves average server utilization

                                                              15
Cloud Enterprise Datacenter Utilization

100
 90
 80
 70
 60
 50
 40
 30
 20
 10
  0

Cloud computing further increases average server utilization

                                                           16

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Enterprise Private Clouds

•  Significantly improves average server utilization
    •  Driving corresponding reductions in CAPEX and OPEX
•  Allows the use of low-cost server and software hardware
    •  Further reducing CAPEX
•  Reduces power consumption
    •  Further reducing OPEX
•  Increases control over resource allocation
    •  Scheduler implements business priorities
•  Improves application and data availability
    •  Consistent mechanisms to deal with HW failure


                                                        17
Cloud Computing Summary

•  Move the application to “the cloud”
   •  Decouple the user and datacenter location
•  Software as a service business models
   •  Google/Yahoo/Amazon/Facebook/etc
•  Similar benefits with enterprise applications
   •  Salesforce, Netsuite, SugarCRM
•  Similar benefits for internally developed applications
   •  Makes software easy to deploy across multiple sites




                                                            18
Conclusions (cont)

• Cloud Computing is the fastest growing part of IT
• Tremendous benefits to customers of all sizes
• Cloud services are simpler to acquire and scale up or down
• Key opportunity for application and infrastructure vendors
• Public clouds work great for some but not all applications
• Private clouds offer many benefits for internal applications
• Public and private clouds can be used in combination

Economic environment is accelerating adoption of cloud solutions



                                                              19

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Groth data of-cloud

  • 1. Cloud Computing Andy Bechtolsheim Chairman & Co-founder, Arista Networks November 12th, 2008
  • 2. What is Cloud Computing? The Fifth Generation of Computing (after Mainframe, Personal Computer, Client-Server Computing, and the web) 2
  • 3. What is Cloud Computing? The biggest thing since the web? 3
  • 4. How big is Cloud Computing? $42B Estimated size of the cloud computing Infrastructure market in 2012, up from $16B in 2008, IDC October 2008 4
  • 5. Projected Cloud Spending (IDC 2008) Year 2008 2012 Growth Cloud IT Spending $16B $42B 27% Total IT Spending $383B $494B 7% Total – Cloud Spend $367B $452B 4% Cloud / Total Spend 4% 9% Cloud Spending is growing 6X faster than traditional IT spending 5
  • 6. Worldwide IT Cloud Spending 2012 Source: IDC October 2008 6
  • 7. What is Driving Cloud Computing? Customer Perspective • In one word: economics • Faster, simpler, cheaper to use cloud apps • No upfront capital required for servers and storage • No ongoing operational expenses for running datacenter • Applications can be accessed from anywhere, anytime 7
  • 8. What is Driving Cloud Computing? Vendor Perspective • Easier for application vendors to reach new customers • Lowest cost way of delivering and supporting applications • Ability to use commodity server and storage hardware • Ability to drive down data center operational cots • In one word: economics 8
  • 9. Quote of the Day Over the long term, absent of other barriers, economics always win! 9
  • 10. What are the Barriers to Cloud Computing? Customer Perspective • #1 Data Security •  Many customers don’t wish to trust their data to “the cloud” •  Data must be locally retained for regulatory reasons • #2 Latency •  The cloud can be many milliseconds away •  Not suitable for real-time applications • #3 Application Availability •  Cannot switch from existing legacy applications •  Equivalent cloud applications do not exist Not all applications work on public clouds 10
  • 11. What are the Barriers to Cloud Computing? Vendor Perspective • #1 Service Level Agreements •  What if something goes wrong? •  What is the true cost of providing SLAs? • #2 Business Models •  SaaS/PaaS models are challenging •  Much lower upfront revenue • #3 Customer Lock-in •  Customers want open/standard APIs •  Need to continuously add value Each applications is unique 11
  • 12. The Private Enterprise Cloud • Harness the advantages of clouds for the enterprise •  Cost-effective datacenter infrastructure •  Server and storage resource pools • High Availability and Reliability in Software •  Virtual application environment •  Separation of processing and storage • On-demand Application Deployment •  Greatly increases server utilization •  Prioritization based on business requirements 12
  • 13. Private Cloud Architecture Elements • Server Virtualization •  Enable any app to run on any server anytime • Highly Available Storage •  Network block and file servers • Low latency, high-bandwidth network •  Enable application mobility in the cloud • Pre-emptive application scheduler •  Implements business rules and priorities • Low-cost industry standard servers •  Transcend hardware failures with software 13
  • 14. Traditional Enterprise Datacenter Utilization 100 90 80 70 60 50 40 30 20 10 0 Traditional Enterprise Datacenter utilization is often below 20% 14
  • 15. Virtualized Enterprise Datacenter Utilization 100 90 80 70 60 50 40 30 20 10 0 Virtualization significantly improves average server utilization 15
  • 16. Cloud Enterprise Datacenter Utilization 100 90 80 70 60 50 40 30 20 10 0 Cloud computing further increases average server utilization 16
  • 17. Enterprise Private Clouds •  Significantly improves average server utilization •  Driving corresponding reductions in CAPEX and OPEX •  Allows the use of low-cost server and software hardware •  Further reducing CAPEX •  Reduces power consumption •  Further reducing OPEX •  Increases control over resource allocation •  Scheduler implements business priorities •  Improves application and data availability •  Consistent mechanisms to deal with HW failure 17
  • 18. Cloud Computing Summary •  Move the application to “the cloud” •  Decouple the user and datacenter location •  Software as a service business models •  Google/Yahoo/Amazon/Facebook/etc •  Similar benefits with enterprise applications •  Salesforce, Netsuite, SugarCRM •  Similar benefits for internally developed applications •  Makes software easy to deploy across multiple sites 18
  • 19. Conclusions (cont) • Cloud Computing is the fastest growing part of IT • Tremendous benefits to customers of all sizes • Cloud services are simpler to acquire and scale up or down • Key opportunity for application and infrastructure vendors • Public clouds work great for some but not all applications • Private clouds offer many benefits for internal applications • Public and private clouds can be used in combination Economic environment is accelerating adoption of cloud solutions 19