Who am I? Phil Huang • Edgecore Open Networking Solution Engineer • ONOS/CORD Ambassador • SDNDS-TW Moderator Ref: https://www.linkedin.com/in/phil-huang-09b09895 3
Open Compute Project, OCP • Founded 2011 • Global community for Open IT hardware Hardware Management Networking Data Center HPC Open Rack Server Storage Telco Ref: http://www.opencompute.org/ 10
OCP, Networking • Fully disaggregated and open networking HW & SW • Operating System - Linux based operating systems & developer tools, and REST API’s • Fully automated configuration management & bare metal provisioning • Universal & Multi-Form Factor Switch motherboard hardware • Fully open integration & connectivity • Energy efficient power & cooling designs • Software Defined Networking (SDN) Ref: http://www.opencompute.org/wiki/Networking 11
OCP Networking - Software • Switch Abstraction Interface, SAI • Defines API to provide a vendor-independent way of controlling forwarding elements, such as a switching ASIC, an NPU or a software switch in a uniform manner. • Open Network Linux, ONL • Linux distribution (Debian) with added driver and configuration for running bare metal switches • Open Optical Monitoring, OOM • Contents of optical module EEPROM accessible to python programmers. • Open Network Install Environment, ONIE • Open “install environment” for bare metal network switches • ONIE enables a bare metal network switch ecosystem where end users have a choice among different network operating systems Ref: https://github.com/opencomputeproject 13
DC Core Data Center Clos Fabric Cloud Service Providers Telecom Service Providers Enterprise & Campus IXP Ref: https://speakerdeck.com/pichuang/introduction-to-opennetworking 16
Building on Bare Metal Compute Network U-Boot & ONIE BIOS & PXE Applications Network OS Linux, Windows… Applications Applications Bare Metal Server Bare Metal Switch Hardware U-Boot & ONIE BIOS & PXE Boot & Provision BIOS & PXE U-Boot & ONIE OS Network OS Linux, Windows… 17
Commercial Network OS Vendor • Cumulus Networks CumulusLinux • Linux based NOS at web-scale with configuration, provisioning & monitoring tools • Big Switch Networks BCF & BMF • Provide total solution Big Monitoring Fabric and Big Cloud Fabric via centralized controller • Pica8 PicaOS • Hybrid networking OpenFlow agent with native L2 and L3 features • IP Infusion OcNOS • Full function L2/L3 with MPLS/VPLS, Carrier Ethernet, OAM and Telecom features • Pluribus Network NetVisor • Full function L2/L3 with data analytics, service chaining and NFV function 26
Open Source Software • Open Compute Project, OCP • Open Network Install Environment (ONIE): Universal NOS Loader • Switch Abstraction Interface (SAI): Standard HAL for silicon from multiple vendors • Open Optical Monitoring (OOM): Make the contents of optical mode EEPROM with python • Dell EMC OpenSwitch • Full featured Linux-based NOS • Engineered for disaggregated whitebox networking devices • SnapRoute FlexSwitch • L2 and L3 protocol suite, with comprehensive configuration APIs, automation and orchestration • OCP Accepted • Open Network Linux, ONL • OCP reference OS for switches • Forwarding Agents: OF-DPA & Indigo OF Agent, SAI, OpenNSL, FBOSS Agent, Quagga Routing • Open Network Foundation: Atrium SDN Distribution • OpenFlow physical (ONL with OF-DPA) and virtual switches • ONOS / ODL open-source OpenFlow controller, with BGP application based on Quagga • Microsoft Software for Open Networking in the Cloud, SONiC • Network OS components, including full function L3 routing • Contributed by Microsoft and co-contributors to OCP SONiC 27
White Box Switch Models Traditional Switch Data Plane Control Plane Applications SDN-based System Data Plane Control Plane Applications Control Protocol Open Networking Switch Data Plane Linux OS Applications Ref: https://speakerdeck.com/pichuang/introduction-to-opennetworking 28
What is CORD? SDN + NFV + Cloud Open Source Software Commodity Hardware (Servers, White-Box Switches, I/O Blades) Large number of COs (4-5k) Each serves 10-100k Evolved over 40-50 years 300+ Types of equipment Huge source of CAPEX/OPEX CORD: Central Office Re-architected as a Datacenter Ref: https://wiki.opencord.org/display/CORD/CORD+Summit+--+July+29%2C+2016?preview=/1278537/1279414/Summit-Larry.pdf 32
35 CORD Architecture R,E,M- Access Metro Router vRouter Control Other App Other App XOS (Orchestrator) vSG vSG vSG VNF VNF VNF VNF VNF VNF VNF VNF VNF VNF VNF VNF OVS OVS OVS OVS OVS White Box White Box White Box White Box White Box White Box White Box White Box White Box White Box White Box White Box White Box White Box Open Source SDN-based Bare-metal White Box White Box Residential Mobile Enterprise Underlay Control Underlay Overlay Control Overlay ONOS Controller Cluster Control
36 Current Teleco Central Office of AT&T Ref: http://www.netmanias.com/en/post/blog/10408/gigabit-internet-sdn-nfv/at-t-s-cord-the-ultimate-architecture-born-after-decades-of-innovation-in-the-communications-network CO: Central Office
What is Trellis? Datacenter Leaf-Spine Fabric Underlay Virtual Network Overlay Unified SDN Control Of Underlay & Overlay ONOS Controller Cluster & Apps Trellis is the enabling Network Infrastructure for CORD Trellis Provides Common control over underlay & overlay networks, including • Service Composition for Tenant Networks • Distributed Virtual Routing • Optimized Delivery of Multicast Traffic Streams Ref: https://wiki.opencord.org/display/CORD/Underlay+Fabric 41
●Telecommunication hardware located at the home or business of a customer ●a.k.a Residential Gateway (RG) 45 L3 Customer Premises Equipment CPE: Customer Premises Equipment
Access hardware - CPE • Simple commodity NetGear device • Flashed with OpenWrt • Runs OVS as dataplane switch • OpenFlow capable • Runs 802.1X authentication • Several design options available here • OpenFlow enabled? • Run a DHCP server? • Should make use of IPv6? Ref: https://wiki.opencord.org/display/CORD/CORD+Summit+--+July+29%2C+2016?preview=/1278537/1279412/R-CORD%20disagg-Ali.pdf 46
OpenFlow Use Case -- Tapping https://www.youtube.com/watch?v=N7qPXGCS40E&list=PLnF6OjxgvUnzmJHrwZ251jsifecZm2Iv8 https://www.youtube.com/watch?v=8OWMoUOsJDE 57
Traditional Networking Methodology 60 • Logging in manually with a password • Typing commands • Copy and paste over console or terminal • Checking box by box
What is FRR ? ‣ Open Source (GPLv2+) Routing Stack ‣ Implements RIP, RIPng, OSPF (v2&v3), ISIS, BGP, PIM, LDP ‣ Fork of Quagga ‣ Works on Linux and most BSD based systems ‣ For use in many Clouds as virtual routers, white box vendors and network providers (full routing stack) 2 (for the not so technical People) 74
FRR - What’s different? ‣ Methodical vetting of submissions ‣ More automated testing of contributions ‣ Github centered development ‣ Elected Maintainers & Steering Committee ‣ Common Assets held in trust by Linux Foundation 5 77
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