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survey on networking. give a student a quick idea about sdn
Typology: Exercises
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IP Infusion Proprietary and Confidential, released under Customer NDA , Roadmap items subject to change without notice
© 2011 IP Infusion Inc. Presenters Rajasri K (
Srikanth K (
Kingston S (
Bhaskar R (
reflects^ projected
plans^ based
on^ preliminary
requirements
analysis of the market. All roadmap data is subject to change as necessary The development, release, and timing of features or functionality described forIP Infusion Inc.' products remains at the sole discretion of IP Infusion Inc. IP Infusion Proprietary and Confidential, released under Customer NDA , Roadmap items subject to change without notice
© 2011 IP Infusion Inc.
^ This roadmap is not a commitment to deliver any material, code, or functionality ^ This^ document
is not^ to be construed as
a promise^
by any participating
company to develop, deliver, or market a product. IP^ Infusion,^
Inc.^ reserves
the^ right^ to
revise^ this^
document^ and
to^ make
changes to its content, at any time. IP Infusion, Inc. makes no representations or warranties with respect to thecontents of this document, and specifically disclaims any express or impliedwarranties of merchantability or fitness for any particular purpose.
IP Infusion Proprietary and Confidential, released under Customer NDA , Roadmap items subject to change without notice
© 2011 IP Infusion Inc.
Ethernet SwitchEthernet Switch
Control Path (Software)Control Path (Software) Data Path (Hardware)Data Path (Hardware)
App 1^ App 2 IP Infusion Proprietary and Confidential, released under Customer NDA , Roadmap items subject to change without notice
SDN clientSDN client Data Path (Hardware)Data Path (Hardware)^ © 2011 IP Infusion Inc. SDN Controller (server)
Controller (server) Ethernet SwitchEthernet Switch
SDN Protocol –Open Flow
Drawbacks of existing network – Contd.^ ^ Network Equipment in recent decades^ ^ Hardware centric – usage of custom ASICs^ •^
IP Infusion Proprietary and Confidential, released under Customer NDA , Roadmap items subject to change without notice
© 2011 IP Infusion Inc.
-^ Faster packet switching capability • Impact •^ Slower Innovation •^ Reduced flexibility once chips are fabricated^ •^ Firmware provides some programmability
Drawbacks of existing network – Contd.^ ^ Vendor specific software^ •^ Why^ •
IPR generation, increased competition • Custom built - Efficient • Impact IP Infusion Proprietary and Confidential, released under Customer NDA , Roadmap items subject to change without notice
© 2011 IP Infusion Inc.
-^ Impact^ •^ Closed software^ •^ Non-standard interfaces to H/W Proprietary networking devices with proprietarysoftware and hardware •^ Innovation is limited to vendor/ vendor partners •^ Huge barriers for new ideas in networking
IP Infusion Proprietary and Confidential, released under Customer NDA , Roadmap items subject to change without notice
© 2011 IP Infusion Inc.
Source: ONF Forum
Decouple from specific networking hardware Use commodity servers IP Infusion Proprietary and Confidential, released under Customer NDA , Roadmap items subject to change without notice
© 2011 IP Infusion Inc.
^ Use commodity servers Have programmable data planes ^ Maintain, control and program data plane state from a centralentity An architecture to control not just a networking device but anentire network.
http://www.openflow.org/ • https://www.opennetworking.org/ IP Infusion Proprietary and Confidential, released under Customer NDA , Roadmap items subject to change without notice
© 2011 IP Infusion Inc.
^ IETF^ •^ http://tools.ietf.org/html/draft-nadeau-sdn-problem-statement-00^ •^ http://tools.ietf.org/html/draft-nadeau-sdn-framework-
IP Infusion Proprietary and Confidential, released under Customer NDA , Roadmap items subject to change without notice
© 2011 IP Infusion Inc.
by more vendors Speed-to-market – no hardware fabrication cycles More flexibility with programmability Ease of customization and integration with other softwareapplications Fast upgrades Program a network vs Configure a network
Network Operating System^ Data Forwarding Routing^
TrafficEngineering
OtherApplications
Control Plane^16
IP Infusion Proprietary and Confidential, released under Customer NDA , Roadmap items subject to change without notice
© 2011 IP Infusion Inc.
Data Forwarding(OpenFlow Switch)
Data Forwarding (OpenFlow Switch)
Data Forwarding(OpenFlow Switch) Data Forwarding(OpenFlow Switch)
Data Plane
IP Infusion Proprietary and Confidential, released under Customer NDA , Roadmap items subject to change without notice
© 2011 IP Infusion Inc.
-^ Software vendors develop network applications •^ Standards for network applications
Key Attributes for SDN Success^ ^ Architecture for a Network OperatingSystem with a service/applicationoriented namespace^ ^ Resource virtualization and aggregation^ (pooling
to achieve
scaling) IP Infusion Proprietary and Confidential, released under Customer NDA , Roadmap items subject to change without notice
© 2011 IP Infusion Inc.
(pooling
to achieve
scaling) ^ Appropriate abstractions to fostersimplification ^ Decouple topology, traffic and inter-layerdependencies ^ Dynamic multi-layer networking
IP Infusion Proprietary and Confidential, released under Customer NDA , Roadmap items subject to change without notice
© 2011 IP Infusion Inc.
-^ OpenFlow protocol Part III - Use cases of SDN/OpenFlow •^ Network Virtualization - FlowVisor •^ RouteFlow with Demo
