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[OpenStack Days Korea 2016] Track1 - Mellanox CloudX - Acceleration for Cloud Performance and EfficientVirtual Networking
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[OpenStack Days Korea 2016] Track1 - Mellanox CloudX - Acceleration for Cloud Performance and EfficientVirtual Networking
1.
Sr. SE 정연구 Feb.18.
2016 Mellanox CloudX– Enhanced Cloud Performance Acceleration and Efficient Virtual Networking.
2.
© 2015 Mellanox
Technologies 2- Mellanox Confidential - Leading Supplier of End-to-End Interconnect Solutions Software and ServicesICs Switches/GatewaysAdapter Cards Cables/ModulesMetro / WAN StoreAnalyze Enabling the Use of Data At the Speeds of 10, 25, 40, 50, 56 and 100 Gigabit per Second Comprehensive End-to-End InfiniBand and Ethernet Portfolio
3.
© 2015 Mellanox
Technologies 3- Mellanox Confidential - The Future Depends on the Fastest Interconnects 10Gb/s 100Gb/s1Gb/s The Future Depends on Mellanox
4.
© 2015 Mellanox
Technologies 4- Mellanox Confidential - 25Gb/s is the new 10, 50 is the new 40, and 100 is the Present Flexibility, Opportunities, Speed Open Ethernet, Zero Packet Loss Most Cost-Effective Ethernet Adapter Same Infrastructure, Same Connectors One Switch. A World of Options. 25, 50, 100Gb/s at Your Fingertips
5.
© 2015 Mellanox
Technologies 5- Mellanox Confidential - Spectrum – 25GbE, 50GbE and 100GbE Open Ethernet Switch Leading performance & power • World’s only non-blocking 100G, 6.4Tb/s switch • Sub-300ns port-to-port latency • RDMA over Converged Ethernet • Lowest power (<135W) Cloud-scale • Network virtualization at scale • Bandwidth optimization • Flexible SDN pipeline Key Features • 32 ports of 40/100GbE • 64 ports of 10/25/50GbE • Advanced QoS and congestion control • Dynamically shared buffer One Switch. A World of Options. Zero Packet Loss For All Packets Sizes
6.
© 2015 Mellanox
Technologies 6- Mellanox Confidential - ConnectX-4 Lx: Affordable 25GbE Performance Affordable 25GbE / 50GbE Performance • 2.5X the performance vs 10 GbE with same connectors / infrastructure • 0.7us latency, 75 million messages per second • The standard against which other Ethernet adapters will be compared Optimized to deliver higher ROI • Public and private Clouds • Hyperscale Web 2.0 infrastructures • Cost Effective Big Data and Analytics systems Advanced features • Advanced Network Virtualization & Overlay Networks Offloads - VXLAN, NVGRE, GENEVE • RDMA over Converged Ethernet (RoCE) • Multi-Host Technology • Fully featured embedded switch (eSwitch) - Hardware acceleration of Open vSwitch - VM traffic steering, monitoring enforcement
7.
© 2015 Mellanox
Technologies 7- Mellanox Confidential - Converged Infrastructure Relies on Efficient Data Movement Efficient Data Movement • Multi-Host & eSwitch: Embedded hardware OVS switch – Advance Flow Steering Engine • Virtual network acceleration (VXLAN, NVGRE, GENEVE) • RDMA – Efficient Data Exchange - Low Latency, Low CPU Overhead Efficient Data Movement With RDMA Virtual Overlay Network Acceleration Embedded Switch Hardware OVS Switch NVGRE, VXLAN, GENEVEVM CPU CPU CPU CPU VM VMVM VMVM
8.
© 2015 Mellanox
Technologies 8- Mellanox Confidential - CloudX is a group of reference architectures which allow building the most efficient, high performance and scalable Infrastructure As A Service (IaaS) clouds based on Mellanox superior interconnect and off the shelf building blocks Supports the most popular cloud software • Vmware • OpenStack • Windows Azure Pack (WAP) CloudX: Optimized Cloud Platform
9.
© 2015 Mellanox
Technologies 9- Mellanox Confidential - Data Path Acceleration CloudX
10.
© 2015 Mellanox
Technologies 10- Mellanox Confidential - Based on Mellanox ConnectX-4 NIC family and Switch-IB/Spectrum switches Bring the astonishing 100Gbps speeds to OpenStack • Both VMs and Hypervisors • Accelerations are critical to reach line rate - RDMA, Overlay, etc. 100Gbps Cloud!
11.
© 2015 Mellanox
Technologies 11- Mellanox Confidential - Server VM1 VM2 VM3 VM4 Overlay Networks (VXLAN/NVGRE/GENEVE) Acceleration Overlay Network Virtualization: Isolation, Simplicity, Scalability Virtual Domain 3 Virtual Domain 2 Virtual Domain 1 Physical View Server VM5 VM6 VM7 VM8 Mellanox SDN Switches & Routers Virtual View NVGRE/VXLAN Overlay Networks Virtual Overlay Networks Simplifies Management and VM Migration ConnectX-3 Pro Overlay Accelerators Enable Bare Metal Performance
12.
© 2015 Mellanox
Technologies 12- Mellanox Confidential - Advantages of Overlay Networks • Simplification • Automation • Scalable Problem: Performance Impact!! • Overlay tunnels add network processing - Limits bandwidth - Consumes CPU Solution: • Overlay Network Accelerators in NIC • Penalty free overlays at bare-metal speed • HW encap/decap (future) Turbocharge Overlay Networks with ConnectX-3/4 NICs
13.
© 2015 Mellanox
Technologies 13- Mellanox Confidential - PCIe device presents multiple instances to the OS/Hypervisor Enables Application Direct Access • Reduces CPU overhead and improves application performance Enable RDMA to the VM • Low latency applications benefit from the Virtual infrastructure Single Root I/O Virtualization (SR-IOV) 0 0.5 1 1.5 2 2.5 3 1 VM 2 VM 4 VM 8 VM Latency(us) RoCE - SR-IOV Latency Message Size 2B Message Size 16B Message Size 32B 10 15 20 25 30 35 40 1 VM 2 VM 4 VM 8 VM 16 VM Throughput(Gb/s) RoCE – SR-IOV Throughput Throughput (Gb/S)
14.
© 2015 Mellanox
Technologies 14- Mellanox Confidential - Value proposition: Remote Direct Memory Access (RDMA) ZERO Copy Remote Data Transfer Low Latency, High Performance Data Transfers InfiniBand - 56Gb/s RoCE* – 40/56Gb/s Kernel Bypass Protocol Offload * RDMA over Converged Ethernet Application ApplicationUSER KERNEL HARDWARE Buffer Buffer
15.
© 2015 Mellanox
Technologies 15- Mellanox Confidential - Using OpenStack Built-in components and management (Open-iSCSI, tgt target, Cinder), no additional software is required, RDMA is already inbox and used by our OpenStack customers ! RDMA Provide Fastest OpenStack Storage Access Hypervisor (KVM) OS VM OS VM OS VM Adapter Open-iSCSI w iSER Compute Servers Switching Fabric iSCSI/iSER Target (tgt) Adapter Local Disks RDMA Cache Storage Servers OpenStack (Cinder) Using RDMA to accelerate iSCSI storage 0 1000 2000 3000 4000 5000 6000 7000 1 2 4 8 16 32 64 128 256 Bandwidth[MB/s] I/O Size [KB] iSER 4 VMs Write iSER 8 VMs Write iSER 16 VMs Write iSCSI Write 8 vms iSCSI Write 16 VMs PCIe Limit 6X RDMA enable 6x More Bandwidth, 5x lower I/O latency, and lower CPU%
16.
© 2015 Mellanox
Technologies 16- Mellanox Confidential - CEPH and Networks High performance networks enable maximum cluster availability • Clients, OSD, Monitors and Metadata servers communicate over multiple network layers • Real-time requirements for heartbeat, replication, recovery and re-balancing Cluster (“backend”) network performance dictates cluster’s performance and scalability • “Network load between Ceph OSD Daemons easily dwarfs the network load between Ceph Clients and the Ceph Storage Cluster” (Ceph Documentation)
17.
© 2015 Mellanox
Technologies 17- Mellanox Confidential - Accelio, High-Performance Reliable Messaging and RPC Library Open source! • https://github.com/accelio/accelio/ && www.accelio.org Faster RDMA integration to application Asynchronous Maximize msg and CPU parallelism Enable > 10GB/s from single node Enable < 10usec latency under load Accelerating Ceph with RDMA – Work in Progress 140 434 0 50 100 150 200 250 300 350 400 450 500 KIOPs THOUSANDSOFIOPS TCP RDMA TCP 140K IOPS RDMA 434K IOPS Ceph Read IOPS: TCP vs. RDMA Roadmap
18.
© 2015 Mellanox
Technologies 18- Mellanox Confidential - Virtual Switch Offload Virtual switches are used as the forwarding plane in the hypervisor Virtual switches implement extensive support for SDN (e.g. enforce policies) and are widely used by the industry SRIOV technology allows direct connectivity to the NIC, as such, it bypasses the virtual switch and the policies it can enforce Goal Enable SRIOV data plane with OVS control plane • In other words, enable support for most SDN controllers with SRIOV data plane Offload OVS flow handling (classification, forwarding etc.) to Mellanox eSwitch OS VM OS VM OS VM OS VM tap tap SR-IOV to the VM Embedded Switch vSwitch Roadmap
19.
© 2015 Mellanox
Technologies 19- Mellanox Confidential - Open vSwitch – In a Nutshell Forwarding • Flow-based forwarding • Decision about how to process packet is made in user space • First packet of new flow is directed to ovs-vswitchd, following packets hit cached entry in kernel OVS Overview • http://openvswitch.org/slides/OpenStack-131107.pdf Roadmap
20.
© 2015 Mellanox
Technologies 20- Mellanox Confidential - Virtual Switch Offload - Solution Solution Use Open vSwitch to be the management interface and control- plane for the Embedded Switch (eSwitch) Motivation • Enable an easy, friendly, well-known and community accepted, management framework for eSwitch • Leverage Open vSwitch control-plane and SDN capabilities to control eSwitch forwarding-plane HW forwarded Packets eSwitch Software Hardware OVS-eSwitch Netdev Representor Netdev Representor Netdev Representor Netdev Representor eSwitch PF (wire) Host IP interface Host exception path (user-space) VF VF VF netdev netdev Para-virt Para-virt Hypervisor Representor Ports Roadmap
21.
© 2015 Mellanox
Technologies 21- Mellanox Confidential - Containers Containers provide light weight and efficient virtualization In host network use Linux C groups to segregate traffic Mellanox will enable advance network services for containers • RDMA – Enable RDMA for InfiniBand and RoCE configuration • SR-IOV – provide stronger traffic segregation and HW QoS enforcement Roadmap
22.
© 2015 Mellanox
Technologies 22- Mellanox Confidential - Control Plan Enhancements CloudX
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© 2015 Mellanox
Technologies 23- Mellanox Confidential - Replicate Neutron data structures to external entities via RESTful API Mellanox NEO fabric management and provision tool provision the fabric accordingly Enables the following • VLAN provisioning on Mellanox switches • Dynamic InfiniBand partition key (pkey) configuration Support for bare metal servers provisioning (Roadmap) Zero Touch Network Provisioning Mellanox SDN Assist ML2 Neutron Core Additional ML2s Neutron Server Fabric Provisioning
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© 2015 Mellanox
Technologies 24- Mellanox Confidential - Network-Aware Scheduling OpenStack Nova Network-Aware Scheduler Scheduling Request Scheduling Recommendation Query Network Metrics Network Metrics Network Topology, Status Settings, Monitoring Ethernet Network VM Spawning Hello Mr. Cloud, I need a VM… • With a high link speed (67GbE for example) • With network HA (MLAG) • With a minimum hop count from my other VMs • On a hypervisor that supports RDMA (RoCE) • …and that is not currently congested Roadmap
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© 2015 Mellanox
Technologies 25- Mellanox Confidential - Ironic Ethernet and InfiniBand Support Ironic is OpenStack bare metal provisioning Useful for High Performance Compute (HPC) and Big Data Ironic is lacking network provisioning • Only flat network, no VLAN/PKEY segregation Mellanox is working with the community to • Add Neutron support for Ironic • Provide zero touch VLAN switch provision • Enable InfiniBand support for Ironic with Neutron Roadmap I’m “Pixie Boots” the mascot of the "Bear Metal" Provisioning, a.k.a Ironic
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© 2015 Mellanox
Technologies 26- Mellanox Confidential - SR-IOV High Availability OpenStack SR-IOV implementation doesn’t support SR-IOV HA Mellanox enable transparent SR-IOV HA on a single NIC LAG will be implemented by Mellanox NIC so VM will only see a single Virtual Function (VF) Mode supported • Active Active • LACP Mellanox will also work with the community to implement non transparent LAG (2 VFs per VM) NIC Host Virtual Function VM VF driver User Kernel Virtual Function Port 1 Port 2 LAG (*) – Beta. Available per request Roadmap
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© 2015 Mellanox
Technologies 27- Mellanox Confidential - Summary & Case
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© 2015 Mellanox
Technologies 28- Mellanox Confidential - Database ROI comparison – CloudX vs. Standard cloud Efficient Virtual Network Up to 56Gb/s Host Throughput KVM Hypervisor Open- iSCSI w iSER SR-IOV Compute Servers OpenStack Cinder iSCSI / iSER Target RDMA Storage Servers Oracle Database with Swingbench generate and measure OLTP Performance CloudX Conventional Cloud Network with 10Gb/s Host Throughput KVM Hypervisor iSCSI Open vSwitch Compute Servers OpenStack Cinder iSCSI Target Storage Servers Oracle Database with Swingbench generate and measure OLTP Performance Conventional Cloud
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Technologies 29- Mellanox Confidential - Benchmark Results – CloudX Wins on Performance & Efficiency 2.2X OLTP Performance Higher Cost Efficiency; 52% Lower Cost per Transaction 0 20 40 60 80 100 120 140 160 180 200 750GB DB COST PER UNIT OF PERFORMANCE ($ / KTPM) Conventional Cloud CloudX 0 10 20 30 40 50 60 70 80 90 100 750G DB PERFORMANCE IN THOUSANDS OF TRANSACTIONS PER MINUTE (KTPM) Conventional Cloud CloudX
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© 2015 Mellanox
Technologies 30- Mellanox Confidential - Comprehensive OpenStack Integration for Switch and Adapter Integrated with Major OpenStack Distributions In-Box Neturon-ML2 support for mixed environment (VXLAN, PV, SRIOV) Ethernet Neutron : Hardware support for security and isolation Accelerating storage access by up to 5X OpenStack Plugins Create Seamless Integration , Control, & Management
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© 2015 Mellanox
Technologies 31- Mellanox Confidential - Thank YouThank You
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