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Cloud and the Future of Networked Systems

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Cloud and the Future of Networked Systems Cloud and the Future of Networked Systems Presentation Transcript

  • Cloud and the Futureof Networked Systems
    Why “big, flat and dumb” isn’t enough
    James Urquhart
    CNET | The Wisdom of Clouds
    Market Strategist, Cloud Computing, Cisco Systems, Inc.
  • James Urquhart
    @jamesurquhart
    CNET | The Wisdom of Clouds
  • In 20 years of distributed systems practice, what have I learned?
  • We need to simplify operations from the point of view of the application.
  • Application
    a. Atype of job or problem that lends itself to processing or solution by computer: Inventory control is a common business application.
    b. A program used for a particular use (as opposed to a system)
  • Cloud is an application centric operations model.
  • Why?
  • Prior to cloud, we were server centric…
  • Pre-
    Cloud
  • Pre-
    Cloud
    OS
    OS
    OS
    VM
    VM
    VM
  • App
    App
    App
    App
    App
    App
    Pre-
    Cloud
    App
    App
    App
    OS
    OS
    OS
    VM
    VM
    VM
  • With the adoption of cloud, we are now application centric…
  • Application
    Cloud
    Config
    Code
    Data
    Policy
  • Application
    Cloud
    Config
    Code
    Data
    Policy
    Service(s)
    Other Services
  • Application
    Cloud
    Config
    Code
    Data
    Policy
    Service(s)
    Other Services
    Infrastructure
  • Any cloud service or enabling technology must look at solutions from an application perspective.
  • So, what is the network’s role in cloud computing?
  • Application developers want one thing from the network…
    …invisibility.
  • The temptation is…
  • Big
  • Flat
  • Dumb
  • Put a little nicer…
  • Unified
  • Simplified
  • Pushed to the Edge
  • One topology to rule them all…
  • …and in the darkness bind them.
  • The problem is that the actual requirements for cloud infrastructure don’t stop at the application.
  • Take security…
  • Each solution will almost certainly be only part of the system(s) that is/are being secured.
  • Security will be distributed throughout the “cloud stack”
  • Security will be distributed throughout the network stack
  • Security will be distributed across geographical and topological boundaries
  • Security must become
    multi-tenant
  • Security must scale.
  • Security must scale.
    * Chris Hoff (aka @beaker) will tell you that this is impossible today.
  • Security must meet a wide variety of application needs.
  • Same goes for
    Application Management
  • Same goes for
    Performance Management
  • Same goes for
    QoS
  • Same goes for
    Load Distribution
  • Same goes for
    Etc.
  • Same goes for
    Etc., Etc.
  • Same goes for
    Etc., Etc., Etc.
  • So how will the network adapt?
  • Five ways:
  • Data center network architectures will simplify.
  • The network will adapt to new dominant payloads and traffic patterns.
  • App
    App
    App
    App
    App
    App
    App
    App
    App
    App
    App
    App
    OS
    OS
    OS
    OS
    OS
    OS
    OS
    OS
    OS
    OS
    OS
    OS
    Cloud Network Boundary
    Virtual Data Center
    Virtual Data Center
    Cloud OS
    Application Security Services
    Application Security Services
    Cloud OS
    Network Services (Security, Performance, Monitoring)
    Network Transport Virtualization (VPN)
    Enterprise
    Network
    Cloud Service
    Provider
    Network Service
    Provider
    Core networks will become agile and dynamic.
  • The network will introduce new abstractions to simplify configuration and operation.
    Private
    Cloud
    Public
    Cloud
    Management
    Firewall
    Load Balancer
    Network Container
  • The network and its capabilities will become services to be consumed by cloud services.
    IaaS
    PaaS
    SaaS
    API(s)
    Network service catalog(s) and fulfillment
    Routers, switches, services (physical and virtual), etc.
  • Thanks!
  • Cloud and the Futureof Networked Systems
    Why “big, flat and dumb” isn’t enough
    James Urquhart
    @jamesurquhart
    jurquhar@cisco.com