An overview of cloud offering
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An overview of cloud offering

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Recently, I was asked to pick a new topic and give a summary introduction. This was my choice.

Recently, I was asked to pick a new topic and give a summary introduction. This was my choice.

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  • 1. An Overview of Cloud Offering Aswath Rao
  • 2. Agenda
    • Background
    • Cloud Types
    • Market Trend
    • OpenStack
    • Network Services
  • 3. Background
    • Traditional Data Centers
    • Capital intensive
    • Require long lead times
    • Difficult to scale up/down capacity
      • Especially scaling down
    • No opportunity to share resources between organizations of a single company
  • 4. What is a Cloud
    • Cloud is a collection of virtualized computing and storage resources
    • Applications that can in real time scale up/down these virtual resources that they will need
    • Business relationship between Cloud providers and consumers that allow for real time scaling
  • 5. Cloud Types
    • Infrastructure (IaaS): Raw comute and storage resources. Eg. Amazon Web Services
    • Platform (Paas): Provides some incremental functions like Persistence management, scaling and the like. Eg. Heroku, Google App Engine
    • Software (SaaS): Specializes on a specific user application like CRM eg. Salesforce
  • 6. Cloud Architectures
    • Private: Usually operated by a single commercial entity with individual departments acting as users
    • Public: Operated by a 3 rd party where individuals, business units or enterprises are users, usually under a multitenancy arrangement
    • Hybrid: Usually a Private cloud that can use a Public cloud to handle temporary excess demand, temporary fault and the like
  • 7. Cloud Benefits
    • Advantages
      • High availability
      • Instant up/down scaling
      • Pay per sip
    • Downside
      • Privacy and Compliance regulations
    • Operator challenges
      • Capital intensive
      • High volume
      • Commodity business
  • 8. Market Trend
    • Worldwide Telcos are entering the market
      • Verizon/Terremark
      • AT&T Synaptic
      • Tata Communications
      • Airtel
    • Market Size
      • Currently $20B
      • $45-50B by 2013 (25% CAGR)
      • Telcos growing from $1B to $9B
  • 9. Customers’ Pain Point
    • Prefer supplier diversity
      • Provider
      • Geographical
    • But interfaces are custom and proprietary
    • Iffy portability across providers
    • Require access to Network services
  • 10. OpenStack
    • Open source effort spearheaded by
      • Rackspace and NASA
      • More than 80 participating companies
      • L&T Infotech is the sole(?) India based company
      • OpenStack Foundation is being formed
    • Three services are defined
      • Nova for compute
      • Swift for storage
      • Glance for management and tracking
    • Early deployments have been announced
      • Rackspace
      • Ubuntu
  • 11. Quantum for Network Services
    • Recently added to OpenStack
    • Focused on Network connectivity
    • Building block for sophisticated cloud network services
    • Abstracted view with actual NW implementation is hidden
    • API extensions for complex functionalities like QoS
    • Active participation by Cisco
  • 12. Evolution of Quantum: A Personal View
    • Application will require certain Network characteristics
      • VPN, Layer 2 parameters
      • QoS, delay characteristics
      • Universal or end-point specific
    • Application will use Quantum to specify the parameters
    • Cloud provider will facilitate
      • Locally
      • End-to-end with the cooperation of other providers
      • Verizon Wireless Turbo Boost as an example