Virtio Inline Accelerator VNF Application g-API   SAL in user space guest Commands/ re-injected packets Status/ Exception Packets Accelerated Traffic Non-accelerated Incoming Virtio-net User Frontend Driver   Virtio-net User Frontend Driver   Virtio Inline User Frontend Driver   sio in Kernel virtio-inline vRings vRings Vhost-net Backend Virtio Inline Backend vHost-user Vhost-net Backend SRL Host user space SAL in host user space g-net-driver g-accel-driver g-net-driver SW Accelerator This view is attempting to show the DPACC layer and configuration can be designed by the developer to give his application the best accelerated performance. In this picture having a software acceleration layer in the host would provide the best performance and flexibility for a VNF application. device hio HW Accelerator Physical ports Physical ports Fig 5. Virtio based Inline Acceleration 13/11/2018

Multiple Virtio Inline Accelerators Firewall App IPS App NAT App Router App IPsec App g-API   SAL in user space  Virtio net frontend  Virtio Inline FW frontend  Virtio net frontend Virtio Inline IPS frontend  Virtio net frontend Virtio Inline NAT frontend  Virtio net frontend Virtio Inline Router frontend  Virtio net frontend Virtio Inline Ipsec frontend  Virtio net frontend guest Commands/ re-injected packets Status/ Exception Packets Accelerated Traffic Non-accelerated Incoming sio in Kernel virtio-inline vRings vRings vRings vRings vRings Virtio Inline Backend vHost-user SRL Host user space SAL in host user space g-net driver g-FW driver g-IPS driver g-NAT driver g-router driver g-IPsec driver g-net driver SW Accelerator hio device FW Accelerator Intrusion Prevention (IPS) Accelerator NAT Accelerator Router Accelerator Ipsec VPN Accelerator Physical ports Physical ports Fig 6. Examples for multiple virtio based Inline Acceleration 13/11/2018

NFV Infrastructure Accelerator with all phy ports in smartNIC Commands/ re-injected packets Status/ Exception Packets Accelerated Traffic Non-accelerated Incoming VNF Application VNF Application g-API   SAL in user space guest Virtio-net User Frontend Driver   Virtio-net Backend Acceleration Management Layer Host user space SAL in host user space g-srl-driver hio This view is attempting to show the DPACC layer and configuration can be designed by the developer to give his application the best accelerated performance. In this picture having a software acceleration layer in the host would provide the best performance and flexibility for a VNF application. device SRL Accelerator Physical ports Figure Y NFVI Packet Processing Accelerator 13/11/2018

NFV Infrastructure Accelerator with some non-smartNIC phy ports VNF Application VNF Application g-API   SAL in user space guest Commands/ re-injected packets Status/ Exception Packets Accelerated Traffic Non-accelerated Incoming Virtio-net User Frontend Driver   Virtio-net Backend SRL???? Acceleration Management Layer Host user space SAL in host user space g-net-driver g-srl-driver hio This view is attempting to show the DPACC layer and configuration can be designed by the developer to give his application the best accelerated performance. In this picture having a software acceleration layer in the host would provide the best performance and flexibility for a VNF application. device SRL Accelerator Physical ports Physical ports Figure Y NFVI Packet Processing Accelerator 13/11/2018

Previous figures – discard after finalizing 13/11/2018

Virtio Inline Accelerator VNF Application g-API   SAL in user space guest Commands/ re-injected packets Status/ Exception Packets Accelerated Traffic Non-accelerated Incoming Virtio-net User Frontend Driver   Virtio-net User Frontend Driver   Virtio Inline User Frontend Driver   sio in Kernel virtio-inline vRings vRings Vhost-net Backend Virtio Inline Backend vHost-user Vhost-net Backend SRL-0 SRL-1 Host user space SAL in host user space g-net-driver g-accel-driver g-net-driver SW Accelerator This view is attempting to show the DPACC layer and configuration can be designed by the developer to give his application the best accelerated performance. In this picture having a software acceleration layer in the host would provide the best performance and flexibility for a VNF application. device hio HW Accelerator Physical ports Physical ports Fig 5. Virtio based Inline Acceleration 13/11/2018

Multiple Virtio Inline Accelerators Firewall App IPS App NAT App Router App IPsec App g-API   SAL in user space  Virtio Inline FW Frontend Virtio Inline IPS Frontend   Virtio Inline NAT Frontend   Virtio Inline Router Frontend Virtio Inline IPsec Frontend   guest sio in Kernel virtio-inline Commands/ re-injected packets Status/ Exception Packets Accelerated Traffic Other vRings vRings vRings vRings vRings Virtio Inline Backend vHost-user Host user space SAL in host user space FW g-driver IPS g-driver NAT g-driver Router g-driver IPsec g-driver hio hio hio hio hio Firewall (FW) accelerator Intrusion Prevention (IPS) accelerator NAT accelerator Router accelerator Ipsec VPN accelerator device SRL in host user space Physical ports Fig 6. Examples for multiple virtio based Inline Acceleration 13/11/2018

Virtio Inline Accelerator VNF Application g-API   SAL in user space guest Commands/ re-injected packets Status/ Exception Packets Accelerated Traffic Other Virtio-net User Frontend Driver   Virtio-net User Frontend Driver   Virtio Inline User Frontend Driver   sio in Kernel virtio-inline vRings vRings Vhost-net Backend Virtio Inline Backend vHost-user Vhost-net Backend SAL in host user space Host user space g-driver   SW Accelerator hio This view is attempting to show the DPACC layer and configuration can be designed by the developer to give his application the best accelerated performance. In this picture having a software acceleration layer in the host would provide the best performance and flexibility for a VNF application. device HW Accelerator SRL Physical ports Fig 5. Virtio based Inline Acceleration 13/11/2018

Virtio Inline Accelerator VNF Application g-API   SAL in user space Commands/ re-injected packets Status/ Exception Packets Accelerated Traffic guest Virtio-net User Frontend Driver   Virtio-net User Frontend Driver   Virtio Inline User Frontend Driver   sio in Kernel virtio-inline Vhost-net Backend Virtio Inline Backend vHost-user Vhost-net Backend SAL in host user space Host user space g-driver   SW Accelerator hio device HW Accelerator Patch ports to other SW/HW Accelerators Patch ports to other SW/HW Accelerators Physical ports Fig 5. Virtio based Inline Acceleration 13/11/2018

Multiple Virtio Inline Accelerators Firewall App IPS App NAT App Router App IPsec App g-API   SAL in user space guest  Virtio Inline FW Frontend Virtio Inline IPS Frontend   Virtio Inline NAT Frontend   Virtio Inline Router Frontend Virtio Inline IPsec Frontend   sio in Kernel virtio-inline Commands/ re-injected packets Status/ Exception Packets Accelerated Traffic vRings vRings vRings vRings vRings Virtio Inline Backend vHost-user Host user space SAL in host user space FW g-driver IPS g-driver NAT g-driver Router g-driver IPsec g-driver hio device Firewall (FW) accelerator Intrusion Prevention (IPS) accelerator NAT accelerator Router accelerator Ipsec VPN accelerator Physical ports Fig 6. Examples for multiple virtio based Inline Acceleration 13/11/2018