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Open-Source Leveraged Telco Infrastructure


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Open-Source Leveraged Telco Infrastructure

  1. 1. June 2016 Alex Jinsung Choi CTO, SK Telecom Open-Source Leveraged Telco Infrastructure
  2. 2. 1 Feature Phone Computer IT ServerNetwork Smartphone Network virtualization Programmability, Scalability, Service Agility Network-IT Convergence Telco infrastructure is evolving to All-IT Network by software defined technology, just as feature phone became smart phone by computer technology. Starting at Data Center Expansion to Mobile Network All-IT network by software defined technology
  3. 3. 2 SKT Next Gen Infrastructure: COSMOS SKT’s infrastructure will accommodate platform services, telecom services, and IT services on a single platform “COSMOS” using open software and hardware technologies. Server Storage Open Hardware (Physical Infrastructure) T-Phone T LifeSummer oksusu Smart HomeApplication Virtual Machine Container SDN Network Open Software (Virtual Infrastructure) Unbundled Provisioning Monitoring LTE-A 5G LoRa BSS OSS ERP Smart Factory Telecom Services IT ServicesPlatform Services Orchestration “COSMOS (Composable, Open, Scalable, Mobile Oriented System)” NFV MANO Image Source: Wiwynn/HP Big Data
  4. 4. 3 Open Infrastructure Founding Member Board Chair Gold Member OCP Telco Project SKT joined Open Compute Project (OCP) and Telecom Infra Project (TIP) to share and lead the open architecture for telco infrastructure. Server Switch Storage RAN Backhaul Core Data Center Telco Network All-IT Network
  5. 5. 4 Open Compute Project SK Telecom announced the development plan for NV-Array with Facebook and Intel, and discussed work plan for OCP Telco Project and TIP. Executive Track (Intel, Facebook, SKT) Announcement of NV-Array OCP Telco Panel (AT&T, Verizon, DT, SKT) Telco Infrastructure Evolution towards 5G OCP Summit 2016 AF-Media & NV-Array Wedge Switch Trial & T-CAP AF-Media @Hynix Booth
  6. 6. 5 Telco needs to clearly define the requirements for open infrastructure to be extensively used for network function virtualization. Optimized Performance for Telco Workload  Hardware Accelerator  Intel Xeon+FPGA Novel Architecture for 5G Era  All-flash JBOF Storage (e.g. Facebook Lightning, SKT NV-Array)  Rack Scale Architecture (e.g. Ericsson HDS8000) Design for Smaller and More Distributed Data Center Telco Grade Reliability and Safety  Central Office Re-architecting  Reuse of Legacy Facility (Power Distribution, Cooling System, etc.)  Environment guideline (e.g. NEBS)  Seismic Tolerance Open Compute Project Telco Requirements
  7. 7. 6 Open Compute Project AF-Media AF-Media is a high-performance / high-density all-flash storage server optimized for media streaming, delivering maximized throughput, capacity and response speed. SCube AF-Media All-flash Media Server Optimized for UHD/VR Streaming • Ultra-high throughput • Minimum footprint, maximum density • Hot swap SSD, dual power/network • Minimal hardware cost • Low power consumption Ultra High Throughput High I/O Performance, 40GbE Ethernet Ultra Small Footprint 16 SSDs in 1U size, 16TB High Capacity (~5% smaller than HDD) Ultra Low Power Under 150W per System Module (~20% lower than HDD) OCP contribution as a open hardware All-flash storage product Features of AF-Media AF-Media (Xeon-D or ATOM)
  8. 8. 7 Open Compute Project NV-Array NV-Array is an all-flash storage array (JBOF) that accommodates 20 NVMe SSD’s for the next-generation storage solution. Designed for 5G Storage SCube NV-Array All-flash NVMe JBOF PCIe NV-Array (JBOF*) Servers 20 NVMe SSD’s in 1U size High Capacity (over 80TB) High Bandwidth Reliability & Availability 6 Host Connection with 8GB/s Throughput per each • High IOPs, Low Latency • Low cost per GB • High scalability • Flexible allocation • Continuous operation High Density High IO Performance Millions of IOPS SSD Drive Hot-Swap Support OpenBMC Support Multi Host Connection OCP Contribution as a open hardware Co-development with “Lightning” Key Features of NV-Array *Just a Bunch of Flash
  9. 9. 8 Open Compute Project T-CAP T-CAP is a converged network appliance, which integrates high performance Xeon server with data center switch. Network Applications on ToR Switch Load Balancing, Firewall, 3rd Party Applications Convergence of switch and server T-CAP Converged Network Appliance • Open hardware • High computing on a switch • Lower cost due to convergence • Simpler deployment and operation OCP Contribution as a open hardware Co-operation with high performance N/W Controller T-CAP Use Cases Server (Dual E5 Xeon) Switch (10/40/100G) Storage Data Backup & Network Analytics Network Traffic Backup and Monitoring Overlay Gateway for Virtual Network VTEP(VxLAN Tunnel End Point) Node
  10. 10. 9 Open Compute Project Wedge Trial We build open networking with open source network OS from the lessons learned by Wedge trial. Making “Wedge” support OpenFlow Open Network OS OF-DPA Indigo Agent OpenFlow Control Lessons Learned  Complexity to support diverse types of switching silicon and hardware platform  Need vendor agnostic interface layers (SAI, ACPI)  SKT’s own solution for network auto- provisioning Shared and Discussed at OCP Summit & ONS 2016 … Linux Kernel Silicon SDK OpenSwitch Management Protocol (e.g. OpenConfig, OVSDB) ※ SAI: Switch Abstraction Interface, ACPI: Advanced Configuration and Power Interface
  11. 11. 10 Open Compute Project Rack Scale OCP Trial Rack scale OCP trial will be conducted in two phases, and its results and experiences will be shared through OCP Telco Project. Open Rack OCP Server JBOD/JBOF Storage OCP Switch SKT Central Office (Boramae) Phase 1: PoC for OpenStack & Big Data • Verify OCP benefits - power saving, better cooling, higher density, cost reduction, etc. • Deploy in Telco data center - Limit on power supply, coexistence with traditional racks, etc. • Define the requirements of Telco OCP Phase 2: Telco Workload • Run VNF on OCP hardware • Identify further requirements on Telco workload SKT Central Office (Bundang) Image Source: Wiwynn/HP SKT Central Office (Pangyo)
  12. 12. 11 CORD Project @ ON.Lab SK Telecom is leading the Mobile CORD project to reform mobile network central offices into data centers. M-CORD for 5G Enabling Platform  Enable virtualized/disaggregated RAN and Core  Deploy network functions as services  Leverage best practices of OpenStack, ONOS, NFV  Use open commodity hardware
  13. 13. 12 Telecom Infra Project Overview … … Initiated by … Newly joined by Telecom Infra Project (TIP) started in February 2016 to bring openness to Telco infrastructure just as OCP did to data center. Rebuild the telecom infrastructure together for a sustainable future Networks of the Future • Face the growth of the internet and the rise of data-intensive services like video and VR • Collaborate on the development of new technologies • Rethink how we deploy existing technologies • Focus on simplicity, flexibility, and efficiency in everything we do TIP Work Scope • Explore new approaches and technologies across three areas: access, backhaul, and core and management • Leverage the unique engineering and operational expertise of each member • Focus on developing new technologies and exploring new approaches to deploying in both developed and emerging markets.
  14. 14. 13 Telecom Infra Project SCALE Future network should be “Simple”, “Cognitive”, “Automated”, “Lean”, “End-to-End”. Scalable • Efficient Resource Utilization • On-demand • Adaptive Lean • Open Source HW/SW • Open Interface • Modularized • Standardized Automated • Intelligent Operations • Self-configuration • Self-optimization ATSCALE Scalable, Cognitive, Automated, Lean, End-to-End End-to-End • E2E Analytics • E2E Optimization • E2E Orchestration Cognitive • E2E Network Visibility • Real-time Analytics • Policy-based Optimal Decisions
  15. 15. 14 Telecom Infra Project Software-Defined RAN • SW-based risk management • Auto Recovery • Reconfiguration without service interruption • Automated operation and optimization with real-time analytics Operational Intelligence2 Open Architecture1 • Network function virtualization • Open interface (fronthaul, service API) • CP-UP separation • Open HW and SW Biz. Enabling Platform3 • 3rd party services • Edge service slicing SDRAN Architecture Key Values SDRAN Orchestration Virtualized Functions Access CP Analytics & Infra Mgmt Distributed Core Func. Edge VAS Open-source based virtualization Light-weight, VM-based virtualization Physical Infrastructure Access UP HW Open-source HW Remote Unit (RU) Access UP HW Radio Unit Open FronthaulCP-UP Separation Open HW Biz. Enabling with MECAnalytics-based SON Open SW Software-based All-IT Network will bring open radio access network (RAN) innovation at scale: simple, cognitive, and agile.
  16. 16. 15 Conclusions  SKT’s next generation infrastructure “COSMOS” and “ATSCALE” are based on open source hardware and software.  OCP and TIP are two leading communities to be leveraged in “COSMOS” and “ATSCALE”.  For OCP, SKT will open its storage and network products (NV-Array, AF-Media, T-CAP).  An OCP trial is under way to get a firsthand experience before massively applying to SKT infrastructure.  SKT co-founded TIP and co-led Software-Defined RAN innovation at scale.