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And many others…. Deliver networking as part of pooled, automated infrastructure Ensure multitenant isolation, scale and performance Expand.

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Presentation on theme: "And many others…. Deliver networking as part of pooled, automated infrastructure Ensure multitenant isolation, scale and performance Expand."— Presentation transcript:

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7 And many others….

8 Deliver networking as part of pooled, automated infrastructure Ensure multitenant isolation, scale and performance Expand datacenter capacity seamlessly as per business needs Reduce operational complexity

9 Abstracting the physical network with virtual networks Spanning policies across physical and virtual networks Controlling datacenter traffic flow Enables software to dynamically manage the network

10 Hyper-V Network Virtualization Hyper-V Extensible Switch Partner extensions System Center 2012 SP1 Virtual Machine Manager Control Open, extensible & standards-basedBuilt-in and production ready Innovation in software & hardware

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12 Hyper-V Network Virtualization Hyper-V Extensible Switch Partner extensions System Center 2012 Virtual Machine Manager Partner extensions Hyper-V Extensible Switch Hyper-V Network Virtualization Network switch management Built-in Software gateways System Center 2012 R2 Virtual Machine Manager Open, Extensible & Standards-basedBuilt-in and production readyInnovation in software and hardware Open, extensible & standards-basedBuilt-in and production ready Innovation in software and hardware

13 How network virtualization works Overlays physical network Encapsulation using NVGRE protocol Problems solved VM mobility across datacenter, hoster cloud or Azure Ability to import customer IP addresses and network topology Physical serverPhysical network Contoso virtual machine Fabrikam virtual machine Contoso networkFabrikam network FlexibilityControlAutomation

14 SQL ServerWeb Fabrikam sees Contoso sees SQL ServerWeb SQL Server Web n.n PROVIDER ADDRESS SPACE (PA) CUSTOMER ADDRESS SPACE

15 SQL ServerWeb Fabrikam sees SQL ServerWeb Contoso sees SQL Server Web n.n PROVIDER ADDRESS SPACE (PA) CUSTOMER ADDRESS SPACE Dynamically Learned CustomerAddresses Highly available Windows gateways, hosts, VMs Performance Improvements NIC Teaming Integration NVGRE Task Offload Enabled NICs Enhanced diagnostics of virtualnetworks

16 ControlAutomation What the Hyper-V Switch does: Provides L2 layer connectivity for VMsExtends the network edge to the host Features Isolation Traffic Shaping Security Diagnostics Switch Extensibility Physical Network Hyper-V Host Virtual Switch VM NIC Virtual Machine Physical NIC

17 Host NIC Hyper-V Extensible Switch architecture Parent Partition Extension C Extension D Extension A Extension Miniport Extension Protocol Virtual Switch Capture Extensions Filtering Extensions Forwarding Extension VM NIC Virtual Machine Physical NIC Benefits Open platform to fuel plug-insFree core servicesReliability and qualityUnified managementEasier to support

18 Introduces new hybrid forwarding HNV forwards HNV trafficForwarding Extension forwards non-HNV traffic Richer switch extensions Extensions can view CA and PA packets Enables 3 rd party network virtualization Forwarding extensions can modify packet headers onboth ingress and egress pNIC NIC Team vSwitch Extension IngressEgress Native Policies Egress ACL MS Forwarding HNV IngressEgress HNV pNIC NIC Team vSwitch Extension IngressEgress Native Policies Egress ACL MS Forwarding Ingress Egress

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20 Challenges Hoster wants to provide isolated networks for tenant VMs with integrated S2S VPN and NAT Enterprises have virtualized networks split across different datacenters or virtualized networks communicating to physical networks Solution Multitenant aware VPN for Site-to-Site connectivity Multitenant aware NAT for Internet access Forwarding gateway for in datacenter physical machine access Host Datacenter Network Virtualization Fabric Host Internet Fabrikam Corp. Contoso Corp. Multi-tenant VPN Gateway FlexibilityControlAutomation

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22 Communicating using WS-MAN FlexibilityControlAutomation OMI How switch management works Standards-based CIM modelSwitches running Open ManagementInfrastructure (OMI)Switch Management PowerShellCmdlets Problems solved Common management interface across multiple network vendors A utomate common network management tasks Logo Program enables customers to find/buy switches that “just work”

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24 Challenges Manage a large number of physical and virtual switches Integrate management of physical and virtual networks Solution Logical Network Organizes and simplifies network assignments for hosts, virtual machines and services Integrated physical and virtual switch VLAN policy VM Network Creation/deletion of isolated virtual network overlay (HNV) on physical network FlexibilityControlAutomation VM Network Logical NW Physical Network VLAN 25 Subnet /26 Fabric Virtual Extensio n VM Network Logical NW

25 Challenges Allow seamless migration of VM while maintaining network policy Solution Logical Switch Single logical entity spanning hosts Consistent policy and configuration Management of Hyper-V Extensible Switch Installation and configuration of switch extensions Configuration of network policies Network policies automatically move with the VM Includes 3 rd party extensions FlexibilityControlAutomation VM Network Logical NW Physical Network VLAN 25 Subnet /26 Fabric Virtual Extensio n VM Network Logical NW

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27 Host Datacenter Network Virtualization Fabric Host External network Fabrikam Corp. Contoso Corp. HNV Gateway pNIC OMI pNIC Hyper-V Switch extensions NVGRE-aware hardware Switching ASICs Task offload enabled NICs HNV gateways Hardware, Appliances and Software Gateways OMI managed switches

28 OMI-based switch Hyper-V switch extensions Gateway appliances NVGRE-aware hardware

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30 Higher Is Better 65 % Lower Is Better 80 %

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40 40 © 2013 Emulex Corporation NVGRE Optimized VNeX™ Network Virtualization Offload Technology Performance Optimizations Emulex has announced planned support for VNeX™ Network Virtualization Offload Technology optimized to improve the performance of NVGRE NVGRE optimized offloads increase network throughput by 130% –These are early test results –CPU utilization is critical Benefits –Improved VM density –Better network throughput –Lower CPU utilization for NVGRE Note: –Results are illustrative and based on early engineering testing and will vary based on VM density, CPU utilization, and other configuration parameters. Throughput normalized to 10Gb/s to demonstrate the performance impact of no NIC offloads. CPU utilization is an important parameter impacting network throughput.


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