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TRANSMISSION TECHNOLOGIES

5G Cloud and Virtualization

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The course aims to give participants an in-depth understanding of the two most important technologies that transform and disrupt how networks and CSPs operate in the 5G era: Cloud and Virtualization.

Upon completion of the course, participants would be able to:

  • Understand core concepts of virtualization, Cloud computing, virtualization of network elements
  • Discuss and compare the main global initiatives on SDN & NFV
  • Understand why Network Functions Virtualization (NFV) offers extraordinary potential to enhance the delivery of carrier and enterprise network services.
  • Be able to explain the revolution in Cloud, Virtualization, NFV, SDN, OpenFlow, OpenStack, and other cloud computing technologies e.g. Containers, Kubernetes.
  • Describe the key benefits of SDN, the separation of data and control planes
  • Explain network virtualization and describe NFV reference architecture.
  • Describe techniques used for verification and debugging of SDNs
  • Describe Network Functions Virtualization components and how they work together
  • Explain how to create new network services using Cloud and NFV
  • Describe the role and functionality of middleboxes in networks and how they are managed
  • Describe architecture and operation of the SDN-based 5G RAN and Core
  • Describe applications of NFV and the value they bring
  • Understand the evolution from vNFs to CNFs and to FaaS
  • Describe 5G Orchestration, Service Chaining and other related techniques.
  • Be able to discuss how VoNR, Slicing and other services & operations will operate in the 5G cloud.
  • Discuss SDN/NFV attack vectors and security best practices.
  • Describe The Third Network and Automated Lifecycle Service Orchestration (LSO)
  • Hands-on understanding of NFV onboarding, management and orchestration.
  • Hands-on understanding of cloud stack operation

Duration and Training Format

5-day course (35 hours)

Pre-requisite for Participants

Reasonable knowledge of core networking and functions. Basic understanding of IP-based communication is highly recommended. Experience with IT infrastructure (i.e. Ethernet, Switches, Routers). Basic understand of software principles (i.e. APIs). Prior software development experience would be a plus but not required.

Who Should Attend?

  • Communication Service Provider staff
  • Anyone interested to understand this important revolution in IT & Networking i.e. Radio and Packet core engineers, managers, project managers, IP engineers, Packet Core Engineers, Technical product managers, technical marketing officials, technical strategy officials, IT Managers, C-level decision makers & Executives.
  • Basic to Intermediate level programming is required for the “Plus” version of the course.

Course Outline

Fundamentals of Cloud Computing

  • The IT ecosystem
  • The Telecom Ecosystem
  • Why Convergence?
  • What is the Cloud?
  • Cloud models {IaaS, PaaS, SaaS, FaaS, XaaS}
  • Private, Public, Hybrid, Multi-Cloud

The Need for Cloud & Virtualization in 5G and beyond

  • Present Mobile Networks and their limitations
    • Sharing resources
    • Orchestration
    • Scalability
  • Distributed control plane
  • Centralised control plane
  • Introduction to OpenFlow
  • Hybrid control plane
  • NETCONF/YANG
  • vSwitches and vAppliances
  • Key benefits of SDN/NFV in mobile networks
  • SDN/NFV Standardization, Alliances and global initiatives (opendaylight, openstack, ETSI, ONF, CloudNFV,
    ITU, IETF, IRTF, ON.LAB/ONRC, OpenContrail, OVA, OPNFV, OCP, ODCA, ONAP, Open Config, Floodlight,
    E-Comp, OASIS, TOSCA, OpenMANO, OPEN-O, OIL…)
  • Industry Initiatives - Global Network Operators

Virtualization and Network Virtualization

  • Why use Virtualization
  • Types of Virtualization {CPU, Network, Storage, Application}
  • Introduction to Hypervisors
  • Hypervisor Models (QEMU, KVM, XEN, LXC, VMWare…)
  • Virtual Switches & Routers (i.e. Open vSwitch)
  • Single/Multi-tenancy
  • Migration strategies

Cloud Technologies

  • Cloud Infrastructure
  • Datacenter Architecture
  • Cloud Ready vs. Cloud Native
  • Monolithic vs. Micro-services Architectures
  • OpenStack
  • Virtual Machines vs. Containers
  • Docker, LCX
  • Container Management {Openshift, Kubernetes}
  • Acceleration technologies {SR-IOV, DPDK, Accelerated VMs/Containers}

5G Programmable Network Deep Dive

  • SDN Framework
    • Definitions
    • Concepts
      • NetworkOS
      • Controller
      • Routing
    • Architecture
    • Network Topology Challenges
  • Programmable Network Controller Environment
    • SDN Southbound Interfaces (CORBA, SNMP, CMIP, MTOSI, NetConf)
    • OpenFlow Architecture
    • OpenFlow Components
    • SDN Computing Platforms (Open DayLight, ONOS, Nuage…)
    • SDN Northbound Interfaces (REST, CORBA, SNMP, CMIP, MTOSI)
    • Controllers Scalability & Redundancy
    • Security considerations
  • Network Programmability
    • The Management Interface
    • The Application-Network Divide
    • Modern Programmatic Interfaces
    • I2RS
    • Modern Orchestration (OpenStack, CloudStack, Puppet…)
  • Case Studies
    • SDN in Data Center
    • Multitenany Network and Data Centre
    • The Virtualised & Multitenant transport network & access network
    • VLANs, EVPN, VxLAN, NVGRE.

5G Network Function Virtualization

  • Standardization
  • PNF vs. VNF
  • NFV Concepts
  • vNF, cNFs
  • NFV Architecture
    • NFVO
    • VNFM
    • VIM
    • MANO
    • Reference points
    • RESTful APIs
    • SBA/SBI
  • NS Data Model
  • Service Access Points Data
  • NFV Function Chaining
  • Services Engineered Path
  • Service Locations and Chaining
  • ETSI NFV ISG Models
  • Non-ETSI NFV Work
  • Example network virtualization functions
    • vNFaaS
    • vE-CPE
    • vPE
    • vNPaaS
    • Cellular vPaCo, vIMS,
    • vCDN

Network Topology and Topological Information Abstraction

  • Network Topology
  • Traditional Methods
  • LLDP
  • BGP-TE/LS
  • ALTO
  • I2RS Topology

5G NF Application Lifecycle

  • Onboarding
    • xNF packages
    • xNFD/NSD/PNFD files
    • TOSCA, YAML
    • Onboarding Flow
    • NS onboarding flow
  • Instantiation
    • Role of Descriptors
    • Role of Deployment Falvours
    • Instantiation Levels
    • NS Instantiation flow
  • Scaling
    • Scaling in/out, up/down
    • NS scaling
    • v/cNF scaling
    • Scaling methods
    • AI-based scaling
  • E2E MANO
    • vNF Orchestration
    • Network Slicing
    • Multiple NFVOs and VIMs
    • WAN Infrastructure Manager
    • FOSS MANO {OSM, ONAP}

5G NR in the Cloud

  • SDR vs SDN
  • 5G NR logical functional split
  • Cloud RAN, E-RAN, V-RAN
  • Multi Network Planning
  • Inter-cell interference management & Dynamic offloading
  • Edge caching and CDN
  • Topology Discovery
  • RAN slicing

5G Mobile Core in the Cloud

  • Centralised vs. Decentralised vs. Hybrid architecture
  • Dynamic management
  • Dynamic Provisioning and Orchestration
  • Service Chaining & Orchestration
  • Resource optimization for dynamic environments
  • Customer edge switching & UE Multihoming
  • Automation to streamline operations
  • Granular control and policy management
  • Meta-Policies
  • Network Slicing
  • Traffic Steering
  • Mobile traffic management & ALTO-SDN
  • Load Balancing
  • QoE enforcement (QEN)
  • Pervasive Monitoring
  • Cognitive network management and orchestration

Cloud-based Network Operators

  • CNO Features
  • CNO Architectures
  • Cooperation between CNOs and MNOs
  • Services & Flexible Business Models
  • Advanced vApps

Security Challenges in 5G Cloud & Virtualization

  • Trusted Software Environment
  • Trusted Layers
  • Security Attack Vectors
  • Security Impacts
  • Security Best Practices
  • Securing the infrastructure
  • Securing the Controller
  • Protecting the NFs
  • Robust Policy Framework
  • DevSecOps
  • AI-based Security Management
  • Risks with AI-based security

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