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LF_DPDK_DPDK as microservices in ZTE Paas
- 1. DPDK Summit - San Jose – 2017 DPDK as microservices in ZTE Paas Yong Wang ZTE #DPDKSummit
- 2. 2#DPDKSummit Overview:ZTE Paas u run in docker, deployed in vm or ironic u implement service discovery mechanism usupport ICT applications u multi-tenant,multi-networking- plane
- 3. 3#DPDKSummit Packet Flow to/from PaaS （1）Packets from outside of PaaS Cloud （3）Packets Output （2）Inside PaaS Cloud, communications based on FastMQ Docker/Pod Micro-Service Docker/Pod Micro- Service Fast Message Queue DPDK Docker/Pod NOF Service DPDK
- 4. 4#DPDKSummit Message Service--Publish/Subscribe POD1 POD base aerospike eth0 192.168.0.1 C1 C2 ③Pub Session1,* POD2 eth1 192.168.0.2 C1 C2 ① Sub/bind Session1,* POD3 eth2 192.168.0.3 C1 C2 ④ Msg/Data ④ Msg/Data HM ⑦ ⑤ ⑥ SCTP/Ev1/192.168.0.2 port1,Session1/*/192.168.0.2port1, Session1/*/192.168.0.3port2 lMessage Service crosses over the K8S clusters lHigh speed message traffic between Publisher and Subscriber lTraffic load balance policy is defined on Publisher by Application lService will support the conversation HA Session1/*/192.168.0.2port1 ② Sub/bind Session1,*
- 5. 5#DPDKSummit Model without DPDK POD1 eth0 192.168.0.1 C1 C2 POD2 eth1 192.168.0.2 C1 C2 POD3 eth2 192.168.0.3 C1 C2
- 6. 6#DPDKSummit Model with DPDK(1) u one DPDK container per Pod POD2 C1 C2 POD3 C1 C2 POD C2C1 C0（DPDK） C3
- 7. 7#DPDKSummit Model with DPDK(2) u All pods share a DPDK container POD1 C1 C2 POD2 C1 C2 POD3 C1 C2 POD0 DPDK eth0
- 8. 8#DPDKSummit Communications between containers(1) POD1 C1 C2 POD2 C1 C2 POD3 C1 C2 POD0 DPDK eth0
- 9. 9#DPDKSummit Key Technology u master/secondary mechanism u sharing memory u queue(rte_ring) POD1 C1 C2 POD2 C1 C2 POD0 DPDK eth0 share memory queue (rte_ring) queue (rte_ring) secondary master secondary secondary secondary
- 10. 10#DPDKSummit Benefits vs vhost-user u Bidirectional zero copy u 2M & other size hugepage support u vhost-user: u only dequeue zero copy u only support 1G size hugepage POD1 C1 C2 POD0 DPDK eth0 share memory secondary master secondary queue (rte_ring) queue (rte_ring) zero copy POD2 C1 virtio_user vhost_user POD0 DPDK copy eth1
- 11. 11#DPDKSummit Communications between containers(2) POD1 C1 C2 POD0 DPDK virtio POD2 C1 C2 POD0 DPDK virtio zero copy copy! how to avoid? openvswitch/vpp/ovs-dpdk vhost-user vhost-user
- 12. 12#DPDKSummit Promotion u combine pod0 with ovs POD1 C1 C2 POD0 OVS DPDK POD2 C1 C2 zero copy share memory queue (rte_ring) queue (rte_ring) share memory queue (rte_ring) queue (rte_ring)
- 13. 13#DPDKSummit 5G and Network Slicing u dpdk as microservices brings the following benefits to network slicing: u zero copy u high performance u low latency
- 14. 14 MicroService2 #DPDKSummit Network Slice Orchestration Network Slice NF2 Service1 Service3 Service2 Service4 Service3 MicroService2 Pod1 Pod2 NF1 NF3 NF2 NF4 MS1 MS2 MS3 Pod0 POD1 C1 C2 POD0 OVS DPDK POD2 C1 C2 zero copy share memory queue queue share memory queue queue NFVO VNFM VNPM
- 15. 15#DPDKSummit Acknowledge contribution from u Chenggang Li u Jian Gu u Chunhua Qin u Songming Yan u Binbin Xu