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IMT-2020/5G workshop and demo day – 11 th July 2017, Geneva 5G Architecture Viewpoints H2020 5G PPP Infrastructure Association 5G PPP 5G Architecture White Paper ( July 2016, August 2017) 5G-PPP Cognitive Network Management for 5G White Paper (March 2017) https://5g-ppp.eu/white-papers/ Prof. Alex Galis http:// www.ee.ucl.ac.uk/~agalis/ [email protected] Communications and Information Systems Group Department of Electronic & Electrical Engineering University College London, Torrington Place, London WC1E 7JE, United Kingdom

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  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    5G Architecture ViewpointsH2020 5G PPP Infrastructure Association

    5G PPP 5G Architecture White Paper ( July 2016, August 2017)5G-PPP Cognitive Network Management for 5G White Paper (March 2017)

    https://5g-ppp.eu/white-papers/

    Prof. Alex Galishttp://www.ee.ucl.ac.uk/~agalis/[email protected] and Information Systems GroupDepartment of Electronic & Electrical EngineeringUniversity College London, Torrington Place, London WC1E 7JE, United Kingdom

    http://www.ee.ucl.ac.uk/~agalis/mailto:[email protected]

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Content

    5G Networking

    5G Functional Description and Programmability

    5G Management & Security

    5G Network Slicing

    Concluding Remarks & Acknowledgement

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Arpanet Rough sketch by Larry Roberts

    ARPAnet Plan late 1960s Early TestBeds

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    5G Networking5G Networking is driven by

    an evolution in terms of higher capacity, performance and spectrum access in radio network segments; and

    an evolution of native higher flexibility and programmability conversion in all non-radio 5G network segments: Fronthaul and Backhaul Networks, Access Networks, Aggregation Networks, Core Networks, Mobile Edge Networks, Edge Clouds Software Networks, Software-Defined Cloud Networks, Satellite Networks and IoT Networks.

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    5G Networking5G Networking is dependent logically and functionally on the followings key separation of concerns:

    Serving at best high diversity types of communications (Human & Machines & Devices & Sensors & Edge Systems) with different performance attributes.

    Separation of concerns between control/management/softwarization/services

    Separation of concerns between logical / physical resources functions (i.e. connectivity, compute and storage resources) and network capabilities

    A shift in networking and a transition form network of entities, as in current systems, to network of (virtual) functions / capabilities. As such network (virtual) functions are units of networking.

    Network softwarization including network slicing. Hosting services executions in one (or more) Slices. Network softwarization includes functions for programmability of

    (1) network devices;

    (2) network (virtual) functions;

    (3) network slices;

    (4) network services and applications;

    (5) data, control, management planes.

    Supporting on demand composition of network functions and network capabilities

    Leveraging natively Network Softwarization technologies in all network segments and network components.

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Network Slicing

    End user and operational

    services

    Integrate Heterogeneous

    Technologies

    Integrate Communication

    and ComputationNative

    Softwarization

    Physical Resources

    View

    Applications and Business

    Services View

    Infrastructure

    Control

    View

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Network Function

    Layer

    Orchestrator

    Business Function

    Layer

    Business Service Layer

    Infrastructure Layer

    RAN and wireless backhaul

    Core Cloud Edge Cloud

    Optical Core

    Network

    Optical Metro

    Network

    Optical and Satellite Access

    Network

    Edge Cloud

    Network Function

    Repository

    Vertical #1 Services(e.g., Factory of the

    Future)

    Mobile broadband Services

    Vertical #2 Services (e.g,, Automotive)

    Service #1

    Service #2

    Service #3

    Service #1

    Service #2

    Service #3

    Service #1

    Service #2

    Service #3

    Vertical #1 Function

    Repository

    Vertical #2 Function Repositor

    y

    Vertical #3

    Function Repositor

    y

    OpticalWireless Cloud

    Northbound interface Operator A

    Network Function

    Repository

    RAN and wireless backhaul

    Core Cloud Edge Cloud

    Optical Core

    Network

    Optical Metro

    Network

    Optical and Satellite Access

    Network

    Edge Cloud

    Northbound interface Operator BFrom Server

    5G Networking Functional Layers

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Wide Area

    Network

    Resourc

    es &

    Function

    al Level

    Wireless and fixed

    access

    Edge

    Cloud

    Network

    Level

    Service

    Level

    Core/Ce

    ntral

    Cloud

    Network Operating System

    Programmable Ctrl

    E2E Secure Service Orchestrator

    Slice #1:

    Automotive /

    Factory

    Slice #2: IoT

    Recursive Model

    Programmable Ctrl

    (SDN-C)

    Programmable Ctrl

    AMF

    SMFUPF

    AMF

    UPF

    SMFSMF

    SMF

    Secu

    re N

    etw

    ork

    an

    d S

    ervi

    ce M

    anag

    emen

    t

    5G Architecture

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Content

    5G Networking

    5G Functional Description and Programmability

    5G Management & Security

    5G Network Slicing

    Concluding Remarks & Acknowledgement

  • IMT-2020/5G workshop and demo day 11th July 2017, GenevaOptical Core

    NetworkOptical Metro

    Network

    Edge Cloud

    Optical Access Network

    Front-/Backhaul Network

    Radios

    Core Clouds

    Integrated System Mgmt. and Operations

    (E2E /Concatenated Network segments, FCAPS functionality, Network Information Management, Multi domains operations, In-network data/operations processing)

    Multi-Service Mgmt. Functions(Slice Service Mapper Resource-, Domain- and Service

    Orchestration, Service Information Mgmt., Network Capability Discovery)

    Network Clouds

    Applications and Business Services

    Fixed and Satellite Access Networks Aggregation and Core Networks

    Mobile Broadband, Services, IoT Services, ICT Vertical

    Industries Services

    Application & service programmability, Primitives: catalogues, monitoring, Tools: data analysis, testing and packaging

    Radio Access Network

    Common Control &

    Enforcement

    Converged Data

    Common Control &

    Enforcement

    Converged Data

    Common Control &

    Enforcement

    Converged Data

    Common Control &

    Enforcement

    Converged Data

    Converged Data

    Common Control &

    Enforcement

    Infrastructure Softwarization and

    Processes (Software and service networks provision,

    Apps-driven network softwarization, control, mgmt. and service planes, Network capability exposure, Optimization of costs

    and processes)

    (Virtual) Network Functions

    Converged Data Converged Data

    Common Control & Enforcement

    Infrastructure Control of (Virtual) Network Functions

    (Network softwarization, Cloud, Orchestration Mobility control, Mobile edge Computing)

    5G Programmable Architecture

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva11

    Smart Network Planes - Scope and Functionality (I)Application and Business Service Plane It defines and implements the business processes ofthe services along specific value chains.

    A service in the 5G context is a piece of software that performs one or more functions,provides one or more APIs to applications or other services of the same or different planesto make usage of those functions, and returns one or more results.

    Services can be combined with other services, or called in a serialized manner to create anew service.

    An application in the 5G context is a piece of software that utilizes the underlying services toperform a function.

    Application operation can be parameterized, for example, by passing certain arguments atcall time, but it is meant to be a standalone piece of software; an App does not offer anyinterfaces to other applications or services.

    Integrated Network Management & Operations Plane -It enables the creation, deactivation,operation, control and coordination (orchestration) of

    Dedicated management functions operating on top of a 5G E2E smart infrastructure;

    The collection of resources required for managing the overall operation and coordination ofindividual network devices.

    It guarantees the creation the dynamic, configurable, resilient, cost effective softwarenetworks

    It further includes E2E Network segments management, FCAPS functionality, Monitoringoperations, Network Information Management, In-network data and operations processing andMulti domains management operations.

    5G Planes

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva12

    Smart Network Planes - Scope and Functionality (II)Multi-Service Orchestration and Management Plane The functions and interfaces in this plane areused to set up and manage groups of network instances and/or nodes.

    More specifically, the setup consists of creating/installing/arranging/deactivation/coordinating NFsand interfaces according to the available physical and virtual resources.

    It also comprises the set of functions associated with the network operations, such as faultmanagement, performance management and configuration management.

    It further includes Slice Service Mapper functions, Resources, Domain and Service Orchestrationfunctions, Service Information Management functions and Network Capability Discovery functions.

    It also includes the lifecycle management of individual network functions and mobile networkinstances as a whole. In current mobile networks, this role is often performed by the OperationsSupport System (OSS). The idea is to enable the creation, operation, and control of multiplededicated communication service networks running on top of a 5G E2E infrastructure.

    Control Plane - The collection of functions responsible for controlling one or more network functions.

    Control Plane instructs network devices, network elements, and network functions with respect toprocessing elementary data units (packets, frames, symbols, bits, etc.) of the user/data/forwardingplane.

    The control of (virtual) network functions include Control of Network (Virtual) functions, Control ofOrchestration functions, Control of Mobility functions, Cloud Control functions, Mobile EdgeComputing Control functions and adaptors to different enforcement functions.

    The control of (virtual) network functions is generally 5G-applicable, and they are separated fromthe control and enforcements functions which are network segment-specific. The control planeinteracts primarily with the forwarding plane and, to a lesser extent, with the management plane.

    Forwarding Plane / Data Plane - The collection of resources across all network devices responsible forforwarding traffic.

    5G Planes

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva13

    Smart Network Planes - Scope and Functionality (V)Infrastructure Softwarization Plane Enables the provisioning and operation of softwareand service networks. It facilitates the operation of end-to-end heterogeneous networkingand distributed cloud platforms, including physical and logical resources and devices. Itincludes functions for designing, implementing, deploying, managing and maintainingnetwork equipment, network components and/or network services by programming. Itfurther includes functions for the provision of software and service networks, applicationdriven network softwarization, programmability of Software Networks, dynamic deploymentof new network and management services (i.e. which could be executed in data, control,management, service plane), network capability exposure, and E2E slice provisioning. Itincludes functions for dynamic programmability of

    (1) network devices;

    (2) network (virtual) functions;

    (3) network slices,

    (4) network services and applications;

    (5) Data, control, management planes.

    The software utilize features such as flexibility and rapidity all along the lifecycle of networkequipment/components/services, in order to create conditions that enable the re-design ofnetwork and services architectures, optimize costs and processes, allow self-managementand bring added value to network infrastructures.

    5G Planes

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Local DCsWireless

    VirtualizationPHY Functions

    Regional DCsOptical Metro Remote DCsOptical Core

    VirtualizationPHY Functions VirtualizationPHY Functions

    PHY Inf

    Virtual Resources

    Virtual Resources

    Virtual Resources

    PHY Resources

    PHY Resources

    PHY Resources

    PNF VNFPNF VNF VNF VNF

    Virtual Transport

    forwarding

    vBBU (lower layers)

    vBBU (upper layers)

    End pointEnd point

    forwardingforwarding

    Operational Network Services

    End-user services

    RF to

    Bas

    eban

    d

    Cycl

    e Pr

    efix

    & F

    FT

    Reso

    urce

    de

    map

    ping

    Rece

    ive

    proc

    essi

    ng

    Deco

    ding

    MAC

    Serv

    ice

    Man

    agem

    ent &

    O

    rche

    stra

    tion

    Inf.

    Man

    agem

    ent &

    Co

    ntro

    l

    Local DCs Remote/regional DC

    5G Programmable Hardware

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Content

    5G Networking

    5G Functional Description and Programmability

    5G Management & Security

    5G Network Slicing

    Concluding Remarks & Acknowledgement

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Infrastructure AdaptorInfrastructure Adaptor

    VIM

    Physical Infrastructure

    WIM WIM

    Physical Resources

    Compute, Storage, Connectivity Resources

    Logical Virtual Resources

    Compute, Storage, Connectivity Resources

    Slices - Grouping of Resources with Management I/Fs

    Compute, Storage, Connectivity Resources

    WIM WIMVirtual Infrastructure Managers

    VNF1

    Gat

    ekee

    per Management Information

    Infrastructure AdaptorInfrastructure Abstraction and Capability Discovery

    Cognitive and Autonomic Orchestration

    SoftwareDevelopment

    Processes and Toolkit(SDK)

    Service Deployment and OperationDevelopment

    Service developer/operator

    Logical Infrastructure

    Orc

    hes

    trat

    ion

    Fu

    nct

    ion

    N

    Software Network

    Functions

    VNF2 VNF3 VNF n

    Network Services

    Management

    Multi Service Platform

    Orc

    hes

    trat

    ion

    Fu

    nct

    ion

    2

    Orc

    he

    stra

    tio

    n

    Fun

    ctio

    n 1

    Au

    ton

    om

    ic &

    Co

    gnit

    ive

    Serv

    ice

    Man

    agem

    ent

    Multi /IntraDomain Level

    Service Level Infrastructure Level Resource Level

    FederationManagement

    FederationManagement

    E2E ServiceInventory

    E2E ServiceInventory

    ServiceOperations

    ServiceOperations

    InfrastructureIdentities

    InfrastructureIdentities

    InfrastructureMonitoring

    InfrastructureMonitoring

    Slice Life Cycle Management

    Slice Life Cycle Management

    PerformanceManagementPerformanceManagement

    Passive & Active Resources

    Passive & Active Resources

    ServicePerformance

    ServicePerformance

    ServiceSelf- Care

    ServiceSelf- Care

    FaultManagement

    FaultManagement

    ServiceProgrammability

    ServiceProgrammability

    ConfigurationManagementConfigurationManagement

    Orc

    hes

    trat

    ion

    Fu

    nct

    ion

    N

    Orc

    hes

    trat

    ion

    Fu

    nct

    ion

    2

    Orc

    he

    stra

    tio

    n

    Fun

    ctio

    n N

    +1

    Orc

    hes

    trat

    ion

    Fu

    nct

    ion

    N

    Orc

    hes

    trat

    ion

    Fu

    nct

    ion

    2

    Orc

    he

    stra

    tio

    n

    Fun

    ctio

    n M

    +1

    Integrated Management and Operation

    User RightsManagementUser Rights

    Management

    Au

    ton

    om

    ic&

    Co

    gnit

    ive

    Infr

    astr

    uct

    ure

    Man

    agem

    en

    t an

    d O

    per

    atio

    ns

    RANRANVNF Core

    VNF

    RANVNF

    CoreVNF

    AccessVNF

    Access Node

    AccessVNF

    AccessVNF

    AccessVNF Edge or Core

    Data Center /Mobile clouds

    IoT lowPowerRadio

    5GRadio

    OtherRadio

    Fixed and Satellite Access Nodes Fixed and Satellite Access NodesCore

    Infrastructure Capability Services & Infrastructure Information Service & Virtual Services

    5G Management and Orchestration

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Infrastructure programmability

    Application nApplication n

    HealthHealth

    Robotic communicationRobotic communication

    MediaMedia

    MBB BasicMBB BasicA

    PI

    AP

    I

    AP

    I

    Resource slices

    AP

    I

    Service slices

    AP

    I

    AP

    I

    AP

    I

    AP

    IE2

    E M

    ult

    i-d

    om

    ain

    Orc

    he

    stra

    tio

    n

    I1

    I3

    Sl-Or

    I5

    OrchestratorData Center

    OrchestratorSDN net.

    OrchestratorOptical net.

    OrchestratorOptical net.

    Orchestrator Legacy net.

    OrchestratorData Center

    I2-S

    I2-R

    OrchestratorSDN net.

    Resource Domains

    AP

    I

    AP

    I

    AP

    I

    AP

    I

    AP

    I

    E2E Multi-Domain

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Com

    poun

    ddo

    mai

    ns

    2

    Management domain

    Management domain(s)

    IP Domain

    2

    IP domain

    TA

    Management domain(s)

    Other UE domains

    Management domain

    Core networkdomain

    Access networkdomain

    Operator network domain

    User equipment domain

    Transport domain

    3P domain

    USIM domain ME domain Access domainRAT 1

    Serving domain

    Home domain

    Access domainRAT 2

    IM domain

    IPS domain

    SD

    SD

    SD

    SD

    SD

    SD

    IP domain

    Tena

    ntdo

    mai

    nsin

    fras

    truc

    ture

    do

    mai

    nsMEHW domainUICC domainIP domain

    TA

    IP domain

    TATATA TA

    IP domain IP Domain

    External network domain

    Network domain

    SD

    IP domain

    TA

    Slice Domain(s)

    SD

    SD

    TA Trust Anchor(s)

    Optional

    SD

    TA

    SD

    5G Security Domains

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Content

    5G Networking

    5G Functional Description and Programmability

    5G Management & Security

    5G Network Slicing

    Concluding Remarks & Acknowledgement

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Definitions of Network Slicing & References (I)

    I - Slicing Resources:

    Active / Programmable Networks research: node operating systems & resource control frameworks (1995 -2005)(*)

    Federated Testbed research : Planet Lab USA (2002), PlanetLab EU (2005), OneLab EU (2007), PlanetLab Japan(2005), OpenLab EU ( 2012)

    GENI Slice (2008): GENI is a shared network testbed i.e. multiple experimenters may be running multipleexperiments at the same time. A GENI slice is: The unit of isolation for experiments. A container for resources used in an experiment. GENI experimenters add GENI resources (compute

    resources, network links, etc.) to slices and run experiments that use these resources. A unit of access control. The experimenter that creates a slice can determine which project members have

    access to the slice i.e. are members of the slice.

    (*) Galis, A., Denazis, S., Brou, C., Klein, C. (ed) Programmable Networks for IP Service Deployment ISBN 1-58053-745-6, pp 450, June 2004, Artech House Books, http://www.artechhouse.com/International/Books/Programmable-Networks-for-IP-Service-Deployment-1017.aspx

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Definitions of Network Slicing & References(II)

    ITU-T Slicing (2011) as defined in [ITU-T Y.3011], [ITUTY.3012] is the basic concept of the Network Softwarization. Slicingallows logically isolated network partitions (LINP) with a slice being considered as a unit of programmable resources suchas network, computation and storage.

    I - Slicing Resources:

    Slice capabilities (2009) Management and Service-aware Networking Architectures (MANA) for Future Internet A. Galiset all - Invited paper IEEE 2009 Fourth International Conference on Communications and Networking in China (ChinaCom09)26-28 August 2009, Xi'an, China, http://www.chinacom.org/2009/index.html

    3 Slices Capabilities Resource allocation to virtual infrastructures or slices of virtual infrastructure. Dynamic creation and management of virtual infrastructures/slices of virtual infrastructure across diverse

    resources. Dynamic mapping and deployment of a service on a virtual infrastructure/slices of virtual infrastructure.

    17 Orchestration capabilities19 Self-functionality mechanisms14 Self-functionality infrastructure capabilities

    http://www.chinacom.org/2009/index.html

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Definitions of Network Slicing & References(III) II- Network Slicing :

    NGMN Slice capabilities (2016) - consist of 3 layers: 1) Service Instance Layer, 2) Network Slice Instance Layer, and 3)Resource layer. The Service Instance Layer represents the services (end-user service or business services) which are to be supported.

    Each service is represented by a Service Instance. Typically services can be provided by the network operator or by 3rdparties.

    A Network Slice Instance provides the network characteristics which are required by a Service Instance. A Network SliceInstance may also be shared across multiple Service Instances provided by the network operator.

    The Network Slice Instance may be composed by none, one or more Sub-network Instances, which may be shared byanother Network Slice Instance.

    3GPP SA2 23.799 Study Item Network Slicing 2016 ; SA5 TR 28.801Study Item Network Slicing 2017

    ONF Recommendation TR-526 Applying SDN architecture to Network Slicing 2016

    IETF Draft draft-gdmb-netslices-intro-and-ps-02 2016- 2017

    EU 5GPPP

    15 Large Scale Research projects all based on Network Slicing (https://5g-ppp.eu) (2015- 2018+)

    White Paper on 5G Architecture centered on network slicing (https://5g-ppp.eu/wp-content/uploads/2014/02/5G-PPP-5G-Architecture-WP-July-2016.pdf) (2016)

    https://5g-ppp.eu

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    (Proposal) Unified Slice definitionSlice as a union of subsets of resources & NFVs at a given time(1) The Service Instance component

    represents the end-user service or business services. an instance of an end-user service or a business service that is realized within or by a NS. would be provided by the network operator or by 3rd parties.

    (2) A Network Slice Instance component represented by a set of network functions, and resources forms a complete instantiated logical network to meet certain network characteristics required

    by the Service Instance(s). provides network characteristics which are required by a Service Instance. may also be shared across multiple Service Instances

    (3) Resources component it includes: Physical, Logical & Virtual resources Physical & Logical resources - An independently manageable partition of a physical resource,

    which inherits the same characteristics as the physical resource and whose capability is bound tothe capability of the physical resource. It is dedicated to a Network Function or shared betweena set of Network Functions;

    Virtual resources - An abstraction of a physical or logical resource, which may have differentcharacteristics from that resource, and whose capability may not be bound to the capability ofthat resource.

    (4) Slice Capability exposure component allow 3rd parties to access via APIs information regarding services provided by the slice (e.g.

    connectivity information, QoS, mobility, autonomicity, etc.) allow to dynamically customize the network characteristics for different diverse use cases within

    the limits set of functions by the operator. it includes a description of the structure (and contained components) and configuration of the

    slice instance.

    Definitions of Network Slicing & References(III)

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Network Slice Usage Scenarios

    Mission-critical Ultra low latency communication

    Massive-connectivity machine communication (e.g. Smartmetering, Smart grid and sensor networks)

    Extreme QoS

    Independent QoS isolation design

    Independent operations and management

    Independent autonomic management functionality

    Independent cost and/or energy optimisation

    Independent multi-topology routing

    Sharing Infrastructure: Enablers for sharing infrastructure safelyand efficiently (Multi-tenant)

    NS Scenarios

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Network Slice Representation

    Forwarding NetworkElement

    Network Slice 1

    Tenant A

    ControlInfrastructure

    Tenant B ControlInfrastructure

    Network Slice 2

    NF Network Function /Virtual NF

    NF1NF2

    NF4NF3

    Network ServiceTenant A

    NF1NF2

    NF4NF3

    Network ServiceTenant B

    Physical NetworkEInfrastructure

    NS Representation

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Network slice-specific (dedicated) control layer functionsNetwork slice-specific (dedicated) control layer functionsNetwork slice-specific (dedicated) control layer functions

    Network slice-specific (dedicated) management layer functions

    Slice MangerSlice Manger

    Ma

    na

    gem

    ent

    & O

    rch

    estr

    ati

    on

    p

    lan

    e

    E2E Service Management & Orchestration

    EMEM

    Co

    ntr

    ol

    pla

    ne

    Da

    tap

    lan

    e

    Network slice-specific (dedicated) data layer functions

    NFV Orchestrator

    VNF Manager VIM

    Revisited ETSI NFV Framework

    VNF

    VNF

    VNF

    VNF

    VNF

    VNF

    VNF

    VNF

    VNF

    VNF

    VNF

    VNF

    VIMVNF

    Manager

    Slice Manger

    OSS/NM

    Slice as a union ofsubsets of

    resources & NFVs

    Opportunity to integrate Network Slice across almost all the layers in NFV architecture

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Man

    age

    men

    t &

    Orc

    he

    stra

    tio

    n

    pla

    ne

    E2E Service Management & Orchestration

    Serv

    ice

    pla

    ne

    BSS & Policies decision

    Applications & Services

    EM

    OSS/NM

    EM

    Co

    ntr

    ol

    pla

    ne

    Shared control layer functions

    Dat

    ap

    lan

    e

    Network slice-specific (dedicated) control layer functions

    Network slice-specific (dedicated) control layer functions

    VNF

    VNF VNF VNF

    PNF PNF

    PNF

    Shared data layer functions

    PNF VNF

    PNF

    Programmable Controller

    VNF

    VNF VNF VNF

    NFV Orchestrator

    VNF Manager

    VIM

    5G Networking

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Network Slice Life Cycle Management

    Instantiation

    Management Plane

    Network (Virtual) Functions

    Resource (Physical and Virtual)

    Slice Networking

    Orchestration

    Network Infrastructure

    Service Plane

    Control Plane

    Data Plane

    EmbeddedSoftwarization

    Control Plane

    Data Plane

    Service Plane

    MGMT

    Instances (Service, Management, Control, and Data planes)

    Orchestration

    Slice Networking

    Control Plane

    Data Plane

    Service Plane

    MGMT

    Orchestration

    Slice Networking

    Control Plane

    Data Plane

    Service Plane

    MGMT

    Orchestration

    Slice Networking

    Control Plane

    Data Plane

    Service Plane

    MGMT

    Orchestration

    Slice Networking

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    NS Management & Operations(1) Uniform Reference NFV Model for Network Slicing (Architecture document): Describes all of the functional

    elements and instances of a network slice in NFV. Describes shared non-sliced network parts. Establishes theboundaries to the basic network slice operations

    (2) Review common scenarios / Use Cases from the requirements for operations and interactions point of view.Describes the roles (owner, operator, user) which are played by entities with single /multiple entities playingdifferent roles.

    (3) Network Slice capabilities in NFV environment :

    Enablers for safe, secure and efficient multi-tenancy in slices.

    Methods to guarantee/manage for the end-to-end QoS of service in a slice.

    Recursion: methods for NS segmentation allowing a slicing hierarchy with parent - child relationships.

    Optimisation: Mapping algorithms & methods for network resources automatic selection for NS ; global resourceview formed; global energy view formed; Network Slice deployed based on global resource and energy efficiency.

    Monitoring status and behaviour of NS in a single and/or muti-domain NFV environment.

    5) Network slice operations in an NFV environment:

    Slice life cycle management including creation, activation / deactivation, protection, elasticity, extensibility, safety, sizing and scalability of the slicing model per network and per network clouds.

    Slice management and operation: namely configuration, composition, monitoring, optimisation, elasticity are carried as part of the slice protocols.

    E2E Slice stitching / composition in an NFV environment: having enablers and methods for efficient stitching /composition/ decomposition of slices:

    vertically (service + management + control planes) and/or

    horizontally (between different domains part of access, core, edge segments) and /or

    vertically + horizontally.

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    NS Key Characteristics - No1 Engineering Priority in 5G

    The service cannot provide optimal experience on a best-effort network; It isinefficient and expensive to build a separate infrastructure for each service

    NS is mainly an in-band management concept in support of a service which iscoordinating/orchestrating network functions and resources at a given time.

    NS is a dedicated network that is build on an infrastructure mainly composed of, butnot limited to, connectivity, storage and computing. Network slices are concurrentlydeployed as multiple logical, self-contained and independent, partitioned networkfunctions and resources on a common physical infrastructure in order to support wellat least one service.

    NS has the ability to dynamically expose and possibly negotiate the parameters thatcharacterize an network slice. Network slices are configurable and programmable.

    NS has its own operator that sees it as a complete network infrastructure and to usepart of the network resources to meet stringent resource requirements.

    NS is supporting tenant(s) that are strongly independent on infrastructure.

    NS is introducing an additional layer of abstraction by the creation of logically orphysically isolated groups of network resources and network function/virtual networkfunctions configurations separating its behavior from the underlying physical network

    NS is dynamically and non-disruptively reprovisioned.

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Content

    5G Networking

    5G Functional Description and Programmability

    5G Management & Security

    5G Network Slicing

    Concluding Remarks & Acknowledgement

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    COREFIXED

    ACCESS

    Smart Cloud & Network FabricEnabled by ProgrammabilityIncluding SDN

    Service AdaptedNetwork SlicesEnabled byNetwork Function Virtualization (NFV)

    E2N Multi-Domain OrchestrationE2D coordination, conflict resolution, multi-domain information exchange

    RADIO

    ACCESS

    Dedicated ICT Service Network Slice

    Enterprise/ Vertical Business Network Slice

    Mobility Network Slice

    EDGE

    EDGE

    EDGEEDGE

    EDGE

    Smart Network Fabric: E2E Multi-Domain Network Operating System FacilitiesNetwork Abstraction, Allocate (virtual) network resources, Maintain network state, Ensure network Reliability in a

    multi domain environment

    In-band Cognitive Management

    METROEDGE

    Dynamically adapting the network to meet future demands requires Creating the dynamic, configurable, resilient, cost effective network A programmable network operating system with simple interface to the network ( smart network fabric) Transition from network devises to network functions and virtual network functions with inbound management

    5G Architecture Concluding Remarks

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Access Transport Core Network

    Applications, Services, Management, Orchestration & Control, Softwarization

    Slice support (slice awareness) Control/user plane split NFV support (possibly limited) C-RAN/D-RAN functional splitsTight Interworking of LTE and new radio interfaces for the 5G RAN Multi-connectivity Enhanced/new network access functionsCN/RAN splitNew RAT for higher frequencies up to 100 GHz (e.g., access, handovers etc)Support for mm-wave standalone and non-standalone operation PHY numerology (TTI, waveform, coding, etc)Security as a service

    Slice supportSDN support and full exploitation of NFV Control and user plane splitFixed Mobile ConvergenceCN/RAN splitSecurity as a service

    Slice support (configuration mode selection, adaptation) Decomposition and reutilization of functional blocks Flexible placement of virtual network functionsDeployment and management of cloud facilities resourcesMuti-Domain Orchestration and Life Cycle ManagementNetwork programmability for multi-domain control management and orchestration Security as a serviceMulti- tenancy supportOpen access

    Fixed-Mobile ConvergenceSlice support SDN & NFV supportHeterogeneous fixed and wireless access technologiesFlexible optical transport in the metro domainCompute and storage hardware available in aggregation nodesCentral, regional and edge clouds, cloudletsFunctional splits can vary from D-RAN to C-RANControl and user plane splitNew fronthaulSecurity as a service

    Mobile Edge Computing,Edge Networks

    Slice support Security as a service Service support and programmability Virtialization of Network Functions

    Satellite Networks

    Slice supportSecurity as a service Service support and programmability

    Closed control loops Self Management of Network (Virtual) functions Virtualization of Network Functions Service and Network Programmability Hosting services executions in one (or more) Slices Enforce required capability/capacity/security/elasticity/ adaptability/ flexibility where and when needed Supporting on demand composition of network functions and network capabilities Network OS facilities

    5G Networking Summary

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Thank You

    5G PPP Infrastructure Association

    5G PPP 5G Architecture White Paper ( July 2016, August 2017)

    5G-PPP Cognitive Network Management for 5G White Paper (March 2017)

    https://5g-ppp.eu/white-papers/

    5GPPP EU Research Projects

    5GEx 5G Multi-Domain Exchange https://5g-ppp.eu/5gex/

    5G SONATA Service Programming and Orchestration for Virtualized

    Software Networks in 5G https://5gppp.eu/sonata/.

    Acknowledgement

  • IMT-2020/5G workshop and demo day 11th July 2017, Geneva

    Thank You

    Ability will never catch up with the demand for it.

    Confucius