Introduction of ONF CORD Project

Phil Huang <phil@cord-ambassadors.org>Open Networking Solution Engineer, Edgecore Networks Corporation

2017/07/18, OpenStack Day Taiwan 2017, Taiwan

#OpenCORD #ONOSProject

● Phil Huang○ Edgecore Network Solution Engineer○ ONOS/CORD Ambassador○ SDNDS-TW Co-Founder

Who am I?

2Ref: https://www.linkedin.com/in/phil-huang-09b09895/

3

4

Open Networking Foundation (ONF)

5

Projects in ONF

Reinventing Central Offices For Efficiency & Agility

opencord.org

7

What is CORD?

SDN + NFV + Cloud

Open Source Software

Commodity Hardware(Servers, White-Box Switches, I/O

Blades)

CORD: Central Office Re-architected as a Datacenter

8

Vendor Lock-In Hardware

9

Server Trends

X86 Hardware + Software

Central Office (CO)局端

Traditional 3-Tier Network● Core / Aggregation / Access

10

Network Design Transformation

Clos Network● Leaf / Spine

11

Overview of CORD

12

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

13

Disaggregated Optical Line TerminationOLT: Optical Line TerminationGPON: Gigabit Passive OpticalNetwork

14

ONF R-CORD 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

● Telecommunication hardware located at the home or business of a customer

● a.k.a Residential Gateway (RG)

15

L3 Customer Premises Equipment

CPE: Customer Premises Equipment

● Disaggregation and virtualization○ L3 CPE Software move to NFVI at CO

16

virtual Subscriber Gateway (vSG)

17

ONF R-CORD Final Architecture

18

Trellis: CORD Network Architecture

vRouterControl

Other App

OverlayControl

Underlay Control

Other App

vSG

vSG

vSG

VNF

VNF

VNFVNF

VNF VNFVNF

VNF VNF VNFVNF

VNF

OVS OVS OVS OVS OVS

Underlay

Overlay

Control

19

Service Model

Ref: https://drive.google.com/file/d/0B1fL5kNHcohHcDB2V2FvS0ViakU/view

20

Composing Services

21

CORD Virtual Infra Architecture

● Provides connectivity within and between services● Any network virtualization technology can be used● CORD VTN ensures OVS is configured properly for

operation

22

CORD Virtual Tenant Network (VTN)

● Hardware environment○ Dual E5-2670 v3 / RAM 64GB / Intel Dual 10G NIC

● Optimal configuration○ 16 VMs, 128 S-Tags with 31 C-Tags each

● Target was ~4000 subscribers per server ● Memory usage

○ 40-50% idle with 46GB RAM used

23

Scalable vSG Performance

Ref: https://drive.google.com/file/d/0B6cvQiEoZCrzeWh5cTFFRDlvVlE/view

CORD node over OpenStack

VM Router

VM

Namespace Router Container

●

24

Field Trial: NTT EAST

Ref: https://wiki.opencord.org/display/CORD/NTT+and+R-CORD

25

Lab Trial 1: GE-PON-OLT

26

LAB Trial 2: PPPoE

Open and Community-Driven

ambassadors.onosproject.org

Designed to empower anyone who is passionate and knowledgeable about ONOS and/or CORD

● Promote either project in their region● Build strong local community

28

What is ONOS / CORD Ambassador Program

Please feel free to ask. ONOS/CORD Ambassadors Team in Taiwan will be happy to discuss with you

29

ONOS Build 2017

30

SDNDS-TW ● Software Defined Networking Developer Society

● More than 1000 people on the group

31

Join us!

Ref: https://www.facebook.com/groups/sdnds.tw

You disaggregate to get choices

You aggregate to get efficiencies

32

33

THANK YOU!