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CORD PerspectiveCORDBuild,SanJose,November7,2017

TomAnschutzArchitecture&Planning1057LenoxParkBlvd.RoomA473Atlanta,GA30319

+1.404.499.7003tom.anschutz@att.com

©2017AT&TIntellectualProperty.Allrightsreserved.AT&T,Globelogo,MobilizingYourWorldandDIRECTVareregisteredtrademarksandservicemarksofAT&TIntellectualPropertyand/orAT&Taffiliatedcompanies.Allothermarksarethepropertyoftheirrespectiveowners.

2

CORD from a Historical Perspective

TheOriginalCases– Residential

– Mobility

– Enterprise

TheAdd-Ons– Platform

– XOS

– Analytics

©2017AT&TIntellectualProperty.Allrightsreserved.AT&T,Globelogo,MobilizingYourWorldandDIRECTVareregisteredtrademarksandservicemarksofAT&TIntellectualPropertyand/orAT&Taffiliatedcompanies.Allothermarksarethepropertyoftheirrespectiveowners.

3

CORD from a Historical Perspective

FirstRelationshiptoOCP– Servers

– Switches

– NewSpecs

TheAT&TFieldTrial– Foundry

– vBNG

– BirthofVOLTHA

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4

Hardware Peripherals

GPONOLT

XGS-PONOLTG.FastDPU

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5

CORD Mission

EconomiesofadatacenterInfrastructurebuiltwithafewcommoditybuildingblocksusing

opensourcesoftwareandwhiteboxes

AgilityofacloudproviderSoftwareplatformsthatenablerapidcreationofnewservices

©2017AT&TIntellectualProperty.Allrightsreserved.AT&T,Globelogo,MobilizingYourWorldandDIRECTVareregisteredtrademarksandservicemarksofAT&TIntellectualPropertyand/orAT&Taffiliatedcompanies.Allothermarksarethepropertyoftheirrespectiveowners.

6

CORD After the First Year

CarrierDesires:CommodityNFVInfrastructure

RobustSwitchingandAggregation

SimpleIOModulesthatworkwithFabric

Flexible,Scalable,AvailableControlPlane

DiversetypesofVirtualNetworkFunctions

Re-useableVNFs

3rd PartyServices

Multi-Tenancy

OpenOrchestration

High-LevelServiceCompositionEnvironment

CommunityEcosystem

OptionalVendorSupport,Maintenance,Customization

CORDDelivers:OpenComputeProject(OCP)Servers

FabricfromOCPSwitchesandOVS

vOLT,vG.Fast,vCE (MEF),(vNB)

OpenNetworkOperatingSystem(ONOS)

KVM,Docker

vSG,vRouter,Fabric,vOLT

CDN,ParentalControls

CloudTenantsandNetworkSlicing

OpenStack

XOS

OpenCORDcommunity

MultipleVendorsupportforCORDandextensions

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7

AT&T’s Current Engagement in CORD

AT&TOpenSourcesONAP

R-CORD

M-CORD

RightandLightInfrastructure

VOLTHA

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8

Virtual OLT Hardware Abstraction (VOLTHA): One Microservice for Many Peripherals

VOLTHAsouthboundadapters

Tibit

TibitMicro-OLT

Ciena

Whitebox OLT(EdgeCore)

Calix ASFvOLT16 Nokia Adtran

NokiaOLT AdtranOLTCiena

OLTCalixOLT

fluentd consul registratoradapter_agent config_proxy

config_root grpc_serverglobal_handler dispatcher kafka_clientVOLTHAcore

Envoy(REST) OpenFlowAgent NetConfagentVOLTHAnorthbound Common

controlandmanagementframeworksharedbyallOLTs&ONUs

G.fastinV2.0

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9

Where Should CORD Go?

FlexibilityforAdoptingEnvironments

FocusmoreonCommunity

FormStrongerRelationswithOthers– OCP,ONAP,OPNFV,

ShepherdCommercialSupport

©2017AT&TIntellectualProperty.Allrightsreserved.AT&T,Globelogo,MobilizingYourWorldandDIRECTVareregisteredtrademarksandservicemarksofAT&TIntellectualPropertyand/orAT&Taffiliatedcompanies.Allothermarksarethepropertyoftheirrespectiveowners.