Processor or Socket NUMANode NUMA Node Core LPLP

. Processor or Socket NUMANode NUMA Node Core LPLP LP LP

Parent Partition Hyper-V Extensible Switch Extensions Routing Filtering ACLs Network Adapter Virtual machine VM NIC

Physical Machine 1. CPU 0 CPU 1 CPU 2 RSS Queue 3 CPU 3 2. 3. RSS Queue 1 4. Network Packet RSS Queue 4 CPU 5

• • Profiles • • • Static Dynamic NUMA aware NUMA Static NUMA Dynamic Non NUMA Closest Static Closest (default) (like WS 08 R 2)

Parent Partition Hyper-V Extensible Switch Routing Filtering VM Queue Default Queue Virtual machine Network stack VM NIC

Parent Partition Virtual machine VM NIC Hyper-V Extensible Switch Extensions ACLs Routing Filtering VM Queue Default Queue

• • • Power. Shell Configuration (VM) •

Parent Partition Virtual machine Network stack VM NIC Hyper-V Extensible Switch Extensions Routing Filtering ACLs SR-IOV network adapter VF VM NIC Virtual function (VF)

RSS VMQ Inside the VM Inside the host for v. Switch processing Host (No v. Switch bound to this NIC) v. Switch (Bound to the NIC) VM (v. RSS)

Parent Partition Virtual machine VM NIC Hyper-V Extensible Switch Extensions ACLs RSS VMQ

D A C B TCP/IP Native Stack Each arrow represents a flowlet. In WS 2012 each flowlet always follows the same path the previous flowlet from that flow did because flowlets aren’t detected and rebalancing isn’t performed. t. NIC TEAM NIC NIC

D B C A TCP/IP Native Stack Each arrow represents a flowlet. In WS 2012 R 2 each flowlet is independently routed to the least used NIC in the team. With MAC address rewrite the adjacent switches are unaware that flows are moving around. t. NIC TEAM NIC NIC

http: //blogs. technet. com/b/networking/archive/2013/09/10/vmq-deep-dive-1 -of 3. aspx http: //blogs. technet. com/b/networking/archive/2013/09/24/vmq-deep-dive-2 -of 3. aspx http: //blogs. technet. com/b/networking/archive/2013/10/22/vmq-deep-dive-3 -of 3. aspx http: //channel 9. msdn. com/Shows/Edge-Show-89 -v. RSS-and-Networking. With-Gabriel-Silva

For More Information Windows Server 2012 R 2 http: //technet. microsoft. com/en-US/evalcenter/dn 205286 System Center 2012 R 2 http: //technet. microsoft. com/en-US/evalcenter/dn 205295 Azure Pack http: //www. microsoft. com/en-us/servercloud/products/windows-azure-pack Microsoft Azure http: //azure. microsoft. com/en-us/ Come Visit Us in the Microsoft Solutions Experience! Look for Datacenter and Infrastructure Management Tech. Expo Level 1 Hall CD

http: //channel 9. msdn. com/Events/Tech. Ed www. microsoft. com/learning http: //microsoft. com/technet http: //microsoft. com/msdn