towards a distributed cloud - ieee software defined …€º5g exchange – orchestration for...

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Towards a Globally Distributed Cloud András Császár, Ericsson Research Session on “Demand for an open testbed platform” Federated 5G/SDN/NFV/MEC Testbed - Workshop IEEE SDN Initiative & EIT Digital Wednesday, 2 November 2016 Berlin, Germany

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Towards a Distributed Cloud | Public | © Ericsson AB 2016 | 2016-11-02 |

› 5G Exchange – Orchestration for multi-provider distributed cloud [slides based

on 5GEx year 1 review presentation material]

› Edge computing

– Distributed cloud deployment in 5G

– Dataplane and execution environment

Agenda

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› Multiple data centres

› Edge computing

– Operator edge

– Customer edge

› Multiple operators

Levels of Distribution

Vision: One Stop Shop for End-to-end XaaS for Multiple Industries

Application n

From dedicated physical networks with dedicated control and dedicated services and resources for different applications…

NWn

fn

NW1

f1

NW2

f2

A1 A2 An

…to a “network factory” where resources and network functions are traded and provisioned: new infrastructures and services are “manufactured by SW”

Physical Resources (Access, Connectivity, Computing, Storage, ..)

Health

Robotic communication

Media

MBB Basic

Unified Orchestration and Management Plane

Multi-provider,

multi-domain

Sept 20, 2016 5GEx 1st Review: Overview 4

Sept 20, 2016 5GEx 1st Review: Overview

Consortium OTT / Verticals (SME)

Wholesale / Retail Users (Telcos)

Integrated Solution Providers

Solution Providers (SME)

Academy: applied research

2x

5

End Users

Active external advisory board members:

• Steven Wright, AT&T

• Daniel King, IRTF SDNRG chair

Industry Landscape • Different efforts around multi-provider multi-domain orchestration

– ETSI • NFV ISG: First consideration on

multi-domain orchestration (ETSI GS NFV-IFA 009 V1.1.1)

– ONF • Revisited SDN architecture

includes inter-domain relationships (ONF TR-521)

• Cross Stratum Optimization (CSO)

• Carrier Grade SDN

– IETF/IRTF • NFVRG and SDNRG groups

– ITU-T IMT 2020 • 5G architecture for non-radio

networks • 5G network softwarization • 5G management and orchestration

– 3GPP • 5G architecture for radio & mobile

networks


5GEx “mission” • Design and implement a 5G multi-provider orchestration framework

– Significantly improving agility and speeding up deployment of new services • XaaS creation time from “90 days to 90 mins”

– Creating opportunities for operators to buy, sell, and integrate XaaS in an automated and cost-effective manner

• Define and validate the 5G business actors and process, including economic and market mechanisms that promote efficiency of multi-domain services – Impact operator’s community by identifying new challenges or elaborating on

known ones

• Build a pan European multi-site sandbox testbed – To assess the feasibility and performance of the proposed architecture and business

models, by deploying the working end-to-end system built by 5GEx

• Standardize through strong industry participation of all major stakeholders • Provide Open Source solutions


Data

plane

(Legacy)

Control

plane

Management

and orchestration

plane

SDN

nets.

Network

Controller

VIM

Domain Orchestrator

Packet/

Opto

Network

Controller

VIM

Domain Orchestrator

Legacy

nets.

Network

Controller

VIM

Domain Orchestrator

Network

Controller

Packet

VIM

Datacenter

Network

Controller

VIM

Domain Orchestrator

Operator A administration Operator B administration

ENNI

Customer

(Tenant)

Network

Controller

Packet

VIM

Datacenter

Network

Controller

VIM

Domain Orchestrator

Operator C administration

ENNI

Multi-provider

Orchestrator

Administration A

Multi-provider

Orchestrator

Administration B

Multi-provider

Orchestrator

Administration C

Packet Packet

5GEx architecture at a Glance

B2B

B2B

B2C

B2B

1

2

2 2

3 3 3 3

Business

Mgmt/Orch

Data

Control (legacy)

3

5GEx focus Wholesale

buyer interface


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› OTT wants to offer platform (API) with global support for a fancy new application

– E.g. CRUD application modules near a given location

› Provides scalability for API provider

› Provides better QoE for API consumers

– Platform operated in distributed cloud (or edge) computing environment

› Platform implemented in VNFs

› Resource requirements of platform depend on location, time of day/week and local events

Example OTT Platform operated in Distributed Cloud

OTT

Tier 1

Tier 2

IPX

Tier 3

Tier 2

Tier 3 Tier 3 Tier 3

5GEx Customers

MDO

MDO

MDO MDO MDO MDO

MDO

MDO

MDO

MDO NFV and Connectivity orchestration

NFV orchestration

Platform

in VNF Local

Platform

in VNF Local

Platform

in VNF Local

Platform

in VNF Local

Platform

in VNF Local

Platform

in VNF Local

Platform

in VNF Local

5GEX Sandbox Testbed

NETPHONY

KTHLATTICE VLSP

UCL

OpenVIM

TIM

DT

BISDN

UC3M

REDZINC

VELOX™

SSSA_3

TID_2HWDU

DEVELOPMENT

ENVIRONMENT

SSSA_1

DEVELOPMENT

ENVIRONMENT

SEGM. ROUTING

PACKET

TRANSPORT

SSSA_2

FLEXI-GRID

OPTICAL

TRANSPORTGMPLS/SDN

CONTROLLERIP/MPLS

PACKET

TRANSPORT

TID_1

NETPHONY

CONTROLLER

GMPLS

OPTICAL

TRANSPORT

TEI_1

///

HARMONIZER

ORANGE_1

ORANGE_3

IP/MPLS

PACKET

TRANSPORT

ORANGE_2

BME

JOLNet

Need to

• Isolate from, yet replicate, production

networks

• Control plane access

• 13 Administrative domains

• Heterogeneous Environment

• BGP+H-PCE domain / SDN domain

• OpenStack/Vmware

• OpenDaylight/Onos

• Emulate Interconnection using

(GRE/IPSEC)

• Evolving towards ‘production like

hierarchal bgp environment’

Dublin

Lannion

Madrid

Berlin

B M E 1782

London

Pisa

Dusseldorf Budapest

(Expected) Locations

Turin

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› Industrial Workshop focused on Carrier Network solutions (Spring/Summer 2017)

– 5GEx multi-provider proof of concept solution

– 5GEx Pan-European Sandbox up and running

– Extensions to

› 5G Innovation Platform (users)

› Carrier interconnection (operators)

› Ongoing activities

– Draft Collaboration Agreement for 3rd parties to connect to the Sandbox

– Making project contributions open-source: aim to provide reference PoC implementation for

multi-provider network service orchestration

5GEx TestBed: Plans and Discussion

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LEAP Overview | Ericsson Confidential | 2016-04-04 |

› Virtualized RAN

– New functional split allows some RAN functions to run on run in a virtualized environment

– Flexible scalability and elasticity to minimize permanent peak rate dimensioning

› New deployment models

– Gives control to operator to support various deployment models, e.g. centralized or

distributed

– Support co-location of RAN and Core function

– Potential to provide added value services for third party applications

› Modular design

– Current DUs capacity underutilized for many deployments

– Modular design allows investing where it makes sense

› Use of merchant silicon

– Reprogrammable hardware allows repurposing of earlier investments instead of throwing

them out

Distributed Cloud in 5G: Reasons for change

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LEAP Overview | Ericsson Confidential | 2016-04-04 |

Vision: Distributed Cloud Deployment for 5G

Small Sites Medium Sites Large Sites

Multi-purpose DC

Metro

Aggre

gatio

n

Access A

ggre

gatio

n

IP C

ore

Internet

EPC

PNF

Large

Sites

Centralized

DC

Orchestration

HW platform requirements

› Modular building practice with flexibility

in defining optimal deployments

› Telecom rack depth (<400mm)

› Environmentally hardened

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Requirements

› Shall support a plethora of VNF implementation types – VM

– Container

– In-line code

– Switch internal

– HW accelerator

› Shall have context and handover support in the API

› Shall not compromise on performance – Local optimizations e.g. zero-copy

interfaces, direct interfaces, etc.

– Optimized deployment via local orchestrator

– Automatic scaling

Execution Environment for Edge Computing

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BACKUP SLIDES

5GEx in 5G Key Characteristics • High diversity types of communication services;

• Separation of concerns data / control/ management / service

• Embedded native softwarization in all planes

• Transition form “network of entities” to “network of (virtual) functions / capabilities“;

• On demand composition of network functions and network capabilities;

• Automation in all network segments, network components, network elements, network and resource slices.


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› A live sandbox interconnecting five leading European operators, enabling automated end-to-end orchestration of multi-party 5G services to undergo accelerated prototyping and piloting prior to market launch. The 5GEx sandbox will be evolved and become a living in-operation lab after the project end

› A set of APIs enabling

service catalogue

publishing/sharing, rapid

provisioning and large

scale invocation of

composite services

across multiple

autonomous systems.

The APIs map to

reference points in the

NFV MANO stack, and

extend NFV services into

multi-actor wholesale

service offerings

› A technical and business solution for multi-domain service orchestration and provisioning, inclusive of service discovery, bilateral negotiation and service assurance. The solution leverages the NFV architectural model and a new composite (computing and connectivity) cross-domain resource slicing

Innovation in 5GEx

towards a distributed cloud - ieee software defined …€º5g exchange – orchestration for...

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