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Together We Build, Test & Deploy

Open Core Network Webinar

Copyright © 2020 Telecom Infra Project, Inc.

Agenda

1 Welcome & Introduction to TIP Technical Program | David Hutton (TIP)

2 Open Core Network Project Overview | Sagiv Draznin (Rakuten Mobile)

3 Applications and Services | Shah Rahman (Facebook)

4 Orchestration | Alla Goldner (Amdocs) & Iain Wilkinson (Vodafone)

5 Automation | Boris Renski (FreedomFi)

6 Closing Remarks | Tassos Michail (Facebook)

David Hutton - TIP

Introduction to TIP Technical Program


Telecom Infra Project (TIP) is a

collaborative community accelerating

and transforming the way telecom

infrastructure is created, taken to market,

and deployed.

Together We Build

WHAT IS TIP?Founded in 2016

Copyright © 2020 Telecom Infra Project, Inc.5

Focused on Open Implementation of Product Solutions for commercially driven use cases

SERVICE PROVIDERS

TECHNOLOGYPARTNERS

SYSTEMINTEGRATORS

CONNECTIVITY STAKEHOLDERS

Established & Smaller OEMs

Satellite ISPs

MNOs MSOs StartupsResearch Institutes

Municipalities Enterprise

Internet Companies

Professional Integrators

Disaggregation of HW and SW

Reuse existing Standards incl.

Open source

Define Technical

Requirements

Define Reference Implementations

Harden solutions through testing

and trials

DIVERSITY OF MEMBERS AND SCOPE OF ACTIVITIES

TIP Project GroupsConnectivity in Every Environment


Sagiv Draznin - Rakuten Mobile (OCN Co-Chair)

Open Core Network (OCN) – Project Overview

Copyright © 2020 Telecom Infra Project, Inc. 8

Fixed Wireless Access (4G, 5G)

Private Networks, e.g., 5G, LTE, CBRS

Massive and Industrial IoT

“Open Core Network” Common Platform

Mobile Broadband(4G, 5G)

Carrier Wi-Fi incl. MDO

Network-as-a-Service (NaaS)

Why Open Core?Use Cases and Challenges

Operational Challenges

• Multiple Core Networks

• Interworking

• Cloud Infrastructure – mixed PNF/VNF/CNF environment

Business Challenges

• OpEx

• 4G-to-5G migration


Open Core Network (OCN)A cloud-native and converged core supporting 4G, 5G and Wi-Fi access


Project Group Focus Areas

* OCN: Open Core Network

Automation

An infrastructure and automation framework for testing and deploying OCN

microservices

Applications & Services

A set of microservices implementing 3GPP 4G, 5G,

CBRS and Wi-Fi core network functions and APIs

Orchestration

An orchestration framework for integrating, deploying and managing

OCN microservices

Led by§ Shah Rahman – Facebook§ Phil Ritter - Facebook

Led by§ Alla Goldner – Amdocs§ Iain Wilkinson - Vodafone

Led by§ Boris Renski - FreedomFi


Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

PG FormationOpen Core Network PG Launch

Rel v1.0First set of Microservices, Orchestration and Automation for 5GC Minimum Viable Core

Draft Requirements and Use CasesMicroservices, Orchestration and Automation requirements for 5GC Minimum Viable Core

PlugfestFirst 5GC use case

2020 Roadmap

11

Lab TrialFirst 5GC use case ready for lab trial

Shah Rahman – Facebook

Subgroup lead

Applications and Services Workstream


Workstream Goals

Microservices Architecture• Selectable/replaceable

“services”. (e.g., NAT, DPI, etc.)

Cloud Native Implementation• Container/K8s based• Horizontal scaling• Maximize 5G “SBA” approach

Open Source Components• Freely redistributable• Used as is or embedded in

other projects• A starter for innovation

Infrastructure Agnostic• Public, private or hybrid cloud• Bare metal deployments


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First Release Objective

Minimum Viable 5G-SA Core (MVC)

Initial set of NFs required to carry a call

Required• UPF to demonstrate software-based

bearer path, pluggable microservices, etc.• AMF & SMF to attach and control UE and

mobility

Desired• PCF required for attach and to

demonstrate basic policy controls• AUSF & UDM required to validate and

permit UE attach

Future• Remainder of SBA functions.• Interested in PlugFest partners with

existing NFs to test interfaces

1


TBA *TBA *

OCN Industry Collaboration

Technical Requirements and Use Cases

OAI

Industry Organizations

Open Source SW Project

FBC (Magma)Collaboration

TIP OCN PG

Service Providers System

IntegratorsTechnology

Providers ODM/OEMs

Infra Tools

Source Code

Source Code

Software

Software

Products, Solutions,Test Reqs

TIP Exchange

Lab Trials

Field Trials

Deployments

Developers

PlugFest

Source Code

* Exploratory phase

Products&

Solutions

Source Code

TBA *

Seed code projects

SI ‘x'

OEM ‘y'

Alla Goldner – Amdocs

Iain Wilkinson – Vodafone

Subgroup leads

Orchestration Workstream

Resource Management &Automation

Underlay DC NetworkDC Compute

Hypervisor/Worker Nodes(WN)

UPF

Overlay DC Network

5G Core Service Orchestrator

5G Core NSSI SMF AMF UPF

NFVO + VNFm

VIM/K8S CPDC-SDNc

CaaS Mgr

5G Core NSSI SMF AMF PCFCommon 5GCore NFs UDM NRF …

Element/Application Management

Configuration Management Northbound APIs

Fault & Performance Management

Southbound Integrations

ServiceCatalog

ServiceInventory LCM Workflows Northbound

APIsSouthbound

APIs

5G Core Service Orchestration• 5G Core Service Orchestrator manages the life

cycle of the 5G Core network services • Every service has API-triggerable Life Cycle

Management operations backed by workflows and automated by integration with assurancesystems• 5G Core services must be based on declarative

templates, orderable with an API and provisioned automatically• NFs should be stateless where possible, to

allow seamless LCM operations. • Resource management & automation layer

components interact with respective resource functions through virtualisation & SDN controllers

• Orchestration is the fulfilment component of service management• Services are consumable through ordering APIs.

e.g. Northbound integrations with BSS.• Multiple Domains offer Network Services


Workstream Goals

An Orchestration Framework integrated with the Open Core

Network, able to manage the lifecycle of its components and the

complete system, including microservices-based network functions,

core applications and connectivity

Provide a closed loop logic, by receiving analytics data (fault,

performance measurements etc.) from the Open Core Network

components


Use Cases

Service Orchestration (NSSMF)

● 5GC activation

● 5GC network slicing

Resource Orchestration (NFVO)

● 5GC NF instantiation/

termination, including Edge

sites, multiple sites support

● 5GC NF modification in Central

and Edge sites

● Software Delivery and Upgrade

Assurance and Analytics Platform

● Collect KPIs from Open Core

Network functions

● FM/PM data from the NF level

can be used as an input for the

KPI data (NSSI level)

● SLA Fulfilment monitoring


Software Architecture RequirementsCloud Native:Each component can run as a microservice which can be instantiated, scaled, healed and terminated without affecting the rest of the system

Standards Based:Support relevant standards from 3GPP, ETSI, IETF, including data models and APIs required for managing Cloud Native systems

VNF/CNF and NS Descriptors:Deployed in a TOSCA compliant package, aligned with ETSI SOL001 standard

Northbound APIs:Support of TMF 633, 638, 639, 642, 645 APIs for service catalogue, service inventory, resource inventory, and service order management, and additionally for service qualification

Southbound APIs:Support of ETSI SOL005, Kubernetes APIs etc.

5G Readiness:Support of existing and evolving 3GPP related standards for 5GC NF and for 5G network management e.g. TS 23.501, TS 23.502, TR 28.801 etc.

Boris Renski – FreedomFi

Subgroup lead

Automation Workstream


Automation Workstream Goal

• Kubernetes based infrastructure is deployed and available for the developers within Microservices and Orchestration Workstreams

• Deployment automation framework for each of the microservices (such as Helm charts) is developed

• Software test gates and automated CI voting workflows defined for each of the microservice components and auto-triggered on every commit

• CI dashboard and gate status publicly available for all components

Design, develop and deliver an infrastructure and test automation, i.e., CI/CD framework for

running and testing OCN microservices only.

Scope


LTE Code

5G Code

Platform CodeRHEL

UbuntuRedis / MySQL

Build & Test

artifact

artifact

artifact

Deployment Scripting

Topology 1

Topology 2

Topology 3

Topology 4

...

3rd Party Vendor Components TIP Labs

Sandbox

CNTT CompliantReference

Architecture

Operator Environment

Open Development TIP Labs Testing Operator Pilots


SMF

UPF

AMF

code

Code Review

Build & Test

CI

artifact

artifact

artifact

Artifact Repository

Deployment Scripting

Topology 1

Topology 2

Topology 3

Topology 4

GitHubGitLabGerrit/Git

Contrib. Governance

What is the right toolset to make it easy for code contributors from different companies to build OCN together?

What is the optimal NVFi

architecture to build against?

Tassos Michail - Facebook

OCN Co-Chair

Closing Remarks


Contribute to the product requirements and specifications

Initiate trials and deployments of open core network solutions

Influence project group workstreams with practical network use cases

Open Core NetworkProject Group Engagement Opportunities

Engage alternative ecosystem solutions through RFIs

Learn more at telecominfraproject.com/open-core-network

https://telecominfraproject.com/open-core-network/

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