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Software Defined Networking - Huawei, June 2017
The document outlines Huawei's solutions for agile campus networks utilizing software-defined networking (SDN) to enhance ICT infrastructure for educational environments. It emphasizes components such as centralized policy control, automated network planning, and IoT integrations to improve operational efficiency and user experience. Additionally, it highlights various deployment strategies, including high-density Wi-Fi technologies and cloud-based services, to meet evolving bandwidth demands across different campus settings.
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Software Defined Networking - Huawei, June 2017
- 1. Huawei Cloud CampusNetworks Agile & SDN-Ready Steven Harrison, Senior Technical Architect, West Europe
- 2. 2 Huawei Agile EducationInfrastructure ICT Infrastructure Deployment Service Enablement for End Users (Students, Teachers, media, employees ..) Mobile APP Operation MaintenanceDesign Router 3rd Party High Density Wi-Fi Agile Switch FW Controller NMS … Location Server
- 3. 3 WAN/Internet Firewall single-point defense Independent ACs Wirelessnetwork authentication point Wireless network policy control point Access/Aggregation switch Wired network authentication point Wired network policy control point Distributed policy deployment of the entire network WAN/Internet Security resource center Agile Switches (Agile Body) Intelligent awareness and execution: users/applications/quality/fault; centralized authentication/policy control of wired and wireless network users Zero-Configuration Access Switches (easy access) Simplify deployment and O&M Reduce requirements on Access/Aggregation switches Campus Controller (Agile Brain) Centralized SDN control: network- wide collaboration, unified network resources scheduling On-demand allocation of security resources Traditional Campus Agile Campus Tunnel Policy delivery L3 L2 L3 L2 Agile Controller Central AP Evolution from Traditional Campus to Cloud Campus Based on SDN
- 4. 4 Branch Internet Service System Dormitory Digital library Remote education Virtual experiment Mobile learning Office LibraryMultimedia ITDepart Buildings Agile Campus Network(SDN ) High Speed Wi-fi & Wired Network Agile Campus Network Solution 30 days 30 minutes Agile Network O&M Efficiency
- 5. 5 HDMI Wi-Fi Audio Mobile terminal EnergyDetection Security alarm Whiteboard Multimedia RS232/485 USB ZigBee Cloud classroom Campus Classroom Faults on interfaces and devices can be accurately detected. Built-in IoT capabilities allow classroom environment adjustment based on teaching needs, improving the teaching efficiency. Various IoT interfaces allow a variety of devices to access the network. AR160 AR160 Campus network Smart Classroom
- 6. 6 RRU: Remote RadioUnitRRU Cloud AC ... ... PoE Central AP Distributed Wi-Fi Architecture Node Distributed Wi-Fi Architecture: Improves User Experience RRU RRU RRU RRU RRU RRU RRU Wi-Fi Performance Improved by 20% Pervasive Indoor Coverage Management Nodes Reduced by 90%+ Zero Roaming Air interface management Radio control Association control Roaming switchover Load balancing Spectrum analysis Air interface management Radio control Functional modules reduced by 30% Traditional AP RRU Central AP Wall-mountedWall plate- mounted Cloud AC ... RRU RRU RRU ... RRURRU RRU Central AP ...... Roaming domain RRU Switch
- 7. 7 Professional network planningtools Scenario-specific products Huawei High-Density Wi-Fi Solution Signal available, but connection failed High-density user access causes network congestion, dramatically decreasing available network bandwidth. Connected, but unstable Severe network interference causes frequent, unexpected disconnections. Network roaming leads to service interruption. • Conference rooms: Deploy APs with built-in high-density smart antennas to improve concurrent performance by 50%. • Stadiums and lecture halls: Deploy industry's first Software-Defined Radio (SDR) APs to improve concurrent performance by 35% and reduce the number of APs to be deployed by 30%. Traditional Wi-Fi Network High-Density Boost Technology for Multi-user Access • Automatic survey, planning, and implementation tool suite • Built-in experience library and full coverage • Wizard-based design and graphical report 20+ Successful stadiums • Home stadium of Dortmund Stadium in Germany (80,000 users) • China’s National Stadium (80,000 users) • Home stadium of AFC Ajax in the Netherlands (50,000 users)
- 8. 8 1. Network planning •Automatic radio management Deploys plug-and-play Access Points (APs) with no network planning required. • Automatic parameter optimization Automatically retains optimal configurations for channels and power. • K-Best detection algorithm Directly calculates the optimal channel for APs, completing network-wide parameter optimization in 30 minutes. Automated Network Planning Solution Conventional Solution Network planning 0 1 day Parameter setting 30 minutes 6 hours Parameter adjustment Automatic Weekly Scenario: 300 APs deployed in an open space Automatic Deployment Before deployment Automated Network Planning: Wi-Fi Network Requiring No Manual Management Conventional Solution Automated Network Planning Solution Performance Comparison (Time) 2. Parameter setting During deployment 3. Parameter adjustment After deployment
- 9. 9 Cloud Data CenterNetwork Solution Open: ODL-based open-source controller architecture, Building an open ecosystem; Cloud Fabric OpenLab Flexible: hardware/software/hybrid VXLAN networking, centralized/distributed gateways Highly Efficient: Fully-connected SDN, Virtualization Super Virtual Fabric build one virtual switch On-demand and automatic deployment one-stop service, network, and quality management Public Cloud Private Cloud Hybrid Cloud 100G Cloud Fabric Virtualized High- quality HPC Elastic Integrated Security DCI &Disaster Recovery Management IOTSocial Network SDN Mobility Agile Precise network measurement Batch automationNetwork automation Big Data Super Virtual Fabric (SVF) One Network = One Device 80%
- 10. 10 • Flexible VXLANsolutions give more choices for automatic network resource allocation • One architecture compatible with bare metal servers, VMs, containers Fabric Cloud OS Huawei Cloud Fabric SDN Automated Deployment Solution Cloud Stack 3rd-party OpenStack Agile Controller • Service-driven automatic network configuration • 3-layer network visibility improves management efficiency and simplifies O&M • E2E service chain orchestration improves deployment efficiency by 10x ESXi VM VM Host VXLAN+EVPN Hyper-V VM VM FusionCompute VM VM KVM VM VM vSwitchvSwitch vSwitch Hardware VXLAN Hybrid VXLAN Service-chain orchestration VM VM VM Logical network topology Application network topology User DBAppWeb Physical network topology
- 11. 11 Manual network deployment TraditionalData Center Network Software-Defined Cloud Data Center Service provisioning: Weeks Policy adjustment: Days Service provisioning: Minutes Policy adjustment: Minutes Automatic network deployment • One-click service deployment • Administrators define and deploy networks based on service requirements. • The AC converts the application view into the logical network view, and automatically delivers configurations to physical networks. • Physical and virtual networks are uniformly deployed. • Different languages used on network devices and IT systems • Complex network configurations, no automatic deployment capabilities • Different interfaces and standards used by different vendors • Lack of automatic O&M tools SDN Accelerates Service Provisioning: Weeks to Minutes Agile Controller WEB1 APP1 DB1 Policy1 Policy2 Policy3 LN1 LN2 App templates translated into logical networks Logical templates mapped to physical networks Application administrator Application requirements App 1 App 2 vSwitch vFW vRouter Physical networkVirtual network Service Network Logical Network Physical Network WEB1 APP1 DB1 Policy4
- 12. 12 Web App A DB FW IDPLB NAT Terminal group Service chain Drag-n-drop experience • VAS deployment by drag-n-drop operations on GUI E2E, On-Demand Automated Delivery • Automated VAS delivery including FWs, LBs, etc. • Unified deployment of network configurations & security policies on hardware and software FWs Flexible orchestration, dynamic VAS insertion • Flexible service orchestration without being restricted by physical networking • Based on PBR and standard NSH solution(ENP) • Open architecture interoperable with multi-vendor VAS devices E2E Service Orchestration Improves Deployment Efficiency Agile Controller
- 13. 13 Visible network topologies •Quick physical failure point location for a service failure • Fault location time <1s Visible service paths with VMs • E2E connectivity detection for real service paths • VM-to-VM path detection time <10s Visible O&M, Simple O&M SDN Realizes Network Visibility, Simplifying O&M Visible service quality • ENP-based real flow quality measurement (packet loss + delay): iPCA • Microsecond-level delay measurement: NTP (100 ms), 1588v2 (10ns) • Millisecond-level packet loss measurement Network resources Network status Network usage 55/150 Used/Total 0/150 Abnormal/Total 60% VxLAN Application network topology Logical network topology Physical network topology WEB DB APP Physical networkVirtual network
- 14. 14 VXLAN+EVPN Hybrid VXLAN: AutomaticNetwork Resource Allocation eSight Cloud manager Cloud platform Control Cloud Platform Administrator Tenant Administrator Controller O&M OpenStack 3rd-party cloud manager VMM vSphere ESXi VM VM VM Hyper-V vSwitch VM VM VM Hypervisor FusionCompute VM VM VM 3rd KVM/Xen VLAN networkBare-Metal (Old) VTEP VTEP VTEP Fabric Servers VXLAN GW VAS group Better resource utilization • Suitable for network reconstruction, with CE1800V used as VTEP and old ToR switches reused • Flexible hybrid solution, supporting both VMs and physical servers More flexible network • VXLAN endpoints on both software switch CE1800V and hardware switches • Local switching of east-west traffic by DVR (CE1800V), avoiding circuitous forwarding paths • Both ESX and hyper-V platforms supported, on which CE1800V can be installed based on VMs • Independent GUI provided by Agile Controller for automated network service orchestration • Interoperation with cloud platforms for cloud-network integration High performance • 4K physical servers managed by a single controller node and 64K physical servers managed by a cluster
- 15. 15 WDM is thebest bearer network solution for DCI Optimized DCI optical solution Inter-city DC A WDM Bearer Solution Server Switch Inter-city DC B Intra-city DC C SwitchServer Switch Server DC environment friendly Simple Management High Capacity • One pair of fibers support more than 20T • 200G/λ；>100λ With Flex grid • User friendly • Easy integration to the IT system • Automation with SDN • AC power / Low power • Front-to-back cooling 2U, 6 slots, 1.2T/2.4T capacity 200G/400G per Slot, pluggable 19inch, Front inlet, rear outlet OptiCloud OSN 902
- 16. 16 Huawei AgilePOL All-OpticalCampus Solution eSight unified NMS OLT ODN NetOpen • Bandwidth smoothly evolves to 10 Gbit/s with fiber to the desk. • Flattened two-layer network reduces latency. • Carrying broadband, telephone, and TV services on one fiber facilitates service capacity expansion. • Precise fault location, reducing maintenance difficulty. • All-optical passive network, reducing devices by 60%, equipment rooms by 80%, and power consumption by 60%. • Simplified engineering deployment, reducing in-building horizontal wiring by 70%. Latency reduced with fiber to the desk Simplified engineering deployment, precise fault location Sci-tech zone Transportation Hotel School Electric power Surveillance ONU 1G/10G to Desk
- 17. 17 POL Enables aFuture-Proofed Network and Meets Bandwidth Demands Different enterprises/companies/departments can use different wavelengths, implementing independent transmission channels and related QoS. From 10G PON to 40G PON 80 Mbit/s/user λ/user Fibers: Support abundant frequency spectrum and bandwidth resources, meeting the near infinite bandwidth needs of the future. Optical access technology evolution 2009 2010 2015 GPON: 2.5G/1.25G, ~60 km NG-PON: 10G/2.5G, ~60 km WDM PON: 32*1.25G/32*1.25G, ~100 km Rate 2018 ODSM PON: 10G/ 10G @ λ, ~100 km; ODN network reusing ONT reusing NMS reusing 10 GPON ONT ONT GPON ONT OLT OLT platform reusing From GPON to 10G PON Large split ratios: 1:128/256/512; a single CO covers a 40 km reach. GPON 10GPON WDM coupler OLT OLT ONT GPON 10G GPON ONT ONT WBF WBF GPON ONT 10G GPON ONT ONT ONT ONT ONT ONTOLT Splitter 1:64 GPON ONT ONT ONTOLT AWG 1:64 WDM PON Time
- 18. 18 One GPONnetwork carries FTTH home/campus broadband services and low current system services such as residential community video surveillance, video intercom, door access control, burglar alarm, automatic meter reading, and vehicle management. Huawei's AgilePOL solution uniquely provides HQoS to ensure the transmission of various services, making it the best choice for building a full-service campus network. ODN Residence Office building/Hotel OLT Smart cloud CO ISP OTT ISP' OTT Intranet ONT Parking guidance Door access control intercom Video surveillance Telephone PC TV Conference system Telephone system Surveillance system WLAN Broadband PBX POL Allows for Multi-Service High Flexibility and Extendability
- 19. Copyright©2017 Huawei TechnologiesCo., Ltd. All Rights Reserved. The information in this document may contain predictive statements including, without limitation, statements regarding the future financial and operating results, future product portfolio, new technology, etc. There are a number of factors that could cause actual results and developments to differ materially from those expressed or implied in the predictive statements. Therefore, such information is provided for reference purpose only and constitutes neither an offer nor an acceptance. Huawei may change the information at any time without notice. THANK YOU
Editor's Notes
- #5 Customer Benefit: Stable network architecture: This solution delivers high reliability at both device and network levels. Using Huawei-developed core chips, the solution allows full redundancy in the whole network, with highly efficient, to provide none-stop campus services. Highly-efficient WiFi deployment: The hardware design of the solution takes design and delivery personnel into consideration. Predefined WiFi deployments for different scenarios make it easy to complete network design. The workload on connecting cables is also minimized, as deployment can be completed within 10 minutes at least. The complete set of free-of-charge site survey, network planning, calibration, and test tools designed for the agile campus network dramatically greatly reduces the design and deployment workloads. Full coverage: Huawei’s solution provides unique designs for each scenario, leading to cost reduction, wider coverage, and higher performance. In students’ dormitories, agile distributed APs help cut costs by 60%, enlarge coverage by 30%, and improve user experience by 100%.It improves performance by 30% plus without changing hardware. Besides, wired and wireless convergence, free mobility, quality awareness, and other features of agile network contribute to good user experience. Refined operation management: This solution allows refined authentication and accounting, supporting multiple combinations of accounting policies based on the duration, traffic, location, and service type, to integrates security and application identification capabilities, providing user-based application identification, intrusion detection, antivirus, and content filtering functions.
- #10 Customer Benefit: Open: ODL-based open-source controller architecture, capable of building an open ecosystem; Cloud Fabric OpenLab Flexible: hardware/software/hybrid VXLAN networking, centralized/distributed gateways Highly Efficient: fully-connected SDN, on-demand and automatic deployment of services and networks Easy to Manage: one-stop service, network, and quality management
- #11 SDN for any cloud OS SDN for any fabric
- #14 Three O&M features Visible resources and topologies Visible resources: EPG and Neutron resources restoration, POD quota management Visible topologies: 1) Visibility of the application network topology, logical network topology, and physical network topology 2) Mapping between logical and physical paths Visible service paths Multi-path detection: monitors equal-cost multiple paths between VTEPs. Single path detection: shows actual service forwarding paths. Connectivity check: MAC/IP ping and IP trace Loop detection: detects loops at the edge of network. Visible service and network quality How many service packets are lost? Where are they lost? How long is the service delay? Real-time traffic and historical traffic are visible. Controller alarms, overlay network alarms, and underlay network alarms are visible. ------------------------ iPCA quality awareness CE6880EI and CE12800E switches can measure the packet loss ratio and delay using NP chips. To measure the delay and packet loss ratio of a flow on a network, the ingress and egress nodes of the network must support measurement of the flow. Devices on the entire network must use 1588v2 to synchronize clock. Delay of data packets is measured in this way: All devices on the network use 1588v2 to synchronize their clock. When a switch receives data packets, it adds a time stamp to the packets. The monitoring device or NP line card of the upstream switch then identifies the time stamp and calculates the delay accordingly. P8 This figure compares the traditional and agile networks. A traditional network and network administrators do not know the problems that affect user experience unless they receive complaints from users. Additionally, problems are difficult to locate even after user complaints are received. Such hidden problems persist on the network and affect user experience in a long run. According to Huawei's research, many users are unaware of the packet loss problem they are facing. The retransmission mechanism of traditional TCP flows can ensure service continuity. Therefore, packet loss only slows down network access and does not cause service interruption. However, the problem becomes more serious when increasing real-time services are deployed, such as voice, video, and cloud desktop. Huawei's Agile Network Solution employs iPCA technology, namely, Packet Conservation Algorithm for Internet. This technology enables a network to be aware of service quality and accurately locate problems. When user experience degrades, the network can find out which factors are affecting the network quality and provide detailed records to help administrators locate the problem.
- #18 光接入技术演进的标准比较完善，从GPON的2.5G到NGPON的10G，在演进到未来的WDM PON，标准最大化考虑的平滑性，也就是说尽量充分利用现有资源，以最小的投资和网络改动，支持网络升级。 我们来看下GPON到10G PON的演进， OLT平台可以复用，只要新增10G PON板，即可升级为10G PON OLT，ODN网络完全复用，可以和GPON业务并存；ONT也可以沿用，也就是说原先的GPON ONT可以接入10G PON OLT中，当然，10G PON下也可以挂10G PON ONT。最后，网管也可以复用，配置中增加10G PON网元即可