SDN, Network Virtualization, and the Right Abstraction
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Transcript of SDN, Network Virtualization, and the Right Abstraction
Scott Lowe, VCDXEngineering ArchitectNetwork & Security Business Unit, VMware, Inc.
SDN, Network Virtualization, and the Right Abstraction
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Before we get started
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§Get involved! Audience participation is encouraged and requested.
§ If you use Twitter, feel free to tweet about this session (use @MyVMUG, @IndyVMUG, or hashtag #DemoDays)
§ I encourage you to take photos or videos of today’s session and share them online
§This presentation will be made available online after the event
Your name is familiar...
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Virtualization in networking isn’t new
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§Virtual LANs (VLANs)§Virtual private networks (VPNs)§Virtual routing and forwarding (VRF)§MPLS§SPB/PBB/QinQ§Virtual device contexts (VDCs)
So why are we talking aboutnetwork virtualization?
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Looking at compute virtualization
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§Multiple forms of virtualization existed in x86-based computing before VMware§ 80386 “protected mode”§ Virtual memory§ Application virtual machines (e.g., JVM)§ Remote presentation (X Window System)
§These were all important developments, but...
None of them had the power to change the operational model.
How compute virtualization changedwith VMware
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§VMware introduced a new abstraction: the virtual machine (VM)
Why is the VM important?
§The VM abstraction encompassed other virtualization technologies, but enabled operational change
§Operational change enabled customers to address pain points (speed of provisioning, for example)§ Now users could easily create VMs, destroy VMs, clone
VMs, start/stop/pause VMs§ VMs encouraged more standardized configurations
§Success encouraged adoption; adoption encouraged ecosystem development (positive feedback loop)
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So what does this have to do with network virtualization?
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A plethora of networking technologies are out there
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A plethora of networking technologies are out there
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Merchant silicon
OpenFlow
Northbound APIs
Open vSwitch
Network overlays
SDN
SDN controllers
OpenStack Networking
Fabrics
STT
VXLAN
NVGRE
SR-IOV
TRILL
LISP
What’s needed is the right abstraction
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§The right abstraction—the virtual network—lets us change the operational model
§Changing the operational model brings benefits:§ Greater speed and agility§ Lower operational overhead§ Decreased capital expenditures§ But...it’s really about greater speed & agility
VMware NSX provides the right abstraction—the virtual network—to
enable operational change that addresses pain points and meets
business needs.
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Looking a bit deeper at VMware NSX
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Questions & Answers
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Please don’t forget to provide feedback to the VMUG leaders on today’s sessions!
Thank You
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