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69.018 resultaten

Open RAN in Half a Day

CONTENTS This course explains and discusses the reasons for Open RAN and outlines the technical architecture and principles for O-RAN. It focuses on establishing important technical concepts and terms, and on putting Open RAN into context by relating it to use cases and current technology trends. This condensed Open RAN course is the perfect way to kick-start your path on the Open RAN journey, regardless of your end goal. Perhaps you are aiming for an expert level of knowledge, and this is your first stepping stone, or you just want to keep up with the buzz and learn what is going on at the current forefront of the mobile evolution. Open RAN in Half a Day provides enough foundation to be able to navigate the technical terms used to discuss the Open RAN concept. It allows you to understand the technical architecture and principles of O-RAN as specified by the O-RAN Alliance. PREREQUISITES     Basic system-level knowledge of LTE/4G and 5G recommended but not required. Note: This course is not delivered with the FoldOut methodology. What is Open RAN and Why? Traditional “non-open” RANs What is the meaning of an “Open” RAN? Which are the technical and business drivers for Open RAN? Who is the O-RAN Alliance and how does it relate to 3GPP? O-RAN Architecture and Principles O-RAN Overall Logical Architecture Some useful definitions: O-CU, O-DU and O-RU Non-real time and Near-real time control loops The Management Layer What needs to be managed in a RAN? 5G QoS framework: PDU Sessions and QoS Flows Service Management and Orchestration (SMO) Non-RT RIC (RAN Intelligent Controller) and rApps Near-RT RIC, xApps and Policies AI and ML basics The A1 and O1 interfaces The gNB and its Interfaces Higher vs Lower Layer split of the gNB 3GPP interfaces: F1-C, F1-U and E1 O-RAN interfaces: Open FH, E2, O1 The O-Cloud Cloud and Virtualization basics RAN Network Functions in Regional Clouds and Edge Clouds The O2 interface Open RAN challenges
€195
E-Learning
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Open RAN in an Hour

CONTENTS This course provides a quick overview of the general reasons for Open RAN and outlines the technical architecture and principles for O-RAN. It establishes important technical concepts and terms, and puts Open RAN into context by relating it to use cases and current technological trends. This condensed Open RAN course is the perfect way to kick-start your path on the Open RAN journey, regardless of your end goal. Perhaps you are aiming for expert level of knowledge, and this is your first stepping stone, or you just want to keep up with the buzz and learn what is going on at the current forefront of the mobile evolution. Open RAN in an Hour provides enough foundation to be able to navigate the technical terms commonly used to discuss the Open RAN concept. It gives you the framework necessary to formulate relevant questions and understand how the major puzzle pieces of Open RAN fit together. PREREQUISITES General technical knowledge of computing as well as experience from Tele and/or Data communication is beneficial but not necessary. NOTE: This course is not delivered with the FoldOut methodology. What is Open RAN and why? What is the meaning of an “Open” RAN? Which are the technical and business drivers for Open RAN? Who is the O-RAN Alliance and how does it relate to 3GPP? O-RAN Architecture and Principles The Management Layer What needs to be managed in a RAN Service Management and Orchestration (SMO) Non-RT RIC (RAN Intelligent Controller) and rApps Near-RT RIC and xApps The A1 interface The gNB and its Interfaces Lower Layer split of the gNB 3GPP interfaces: F1-C, F1-U and E1 O-RAN interfaces: Open FH, E2, O1 The O-Cloud Cloud and Virtualization basics RAN Network Functions in Regional Clouds and Edge Clouds The O2 interface
€95
E-Learning
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Voice in 5G

CONTENTS This course presents the handling of multimedia telephony service in 5G (Standalone deployment) and related interworking procedures with 4G, as specified in the 3GPP standards. The course focuses on the voice/multimedia telephony service under IMS control for networks with 5G deployed. It presents the UE and network features and definitions that guarantee establishment, handling, and service continuity for the telephony service within the 5G ecosystem. Significant parts of the course focus on the interworking between 4G and 5G on the core network and radio network level to support device mobility and service continuity in a multi-access environment. PREREQUISITES Technical knowledge of the voice service handling in mobile telecom networks is crucial. Understanding the technical solutions for the handling of the voice service in 5G requires a good grasp of voice handling in 4G (VoLTE, with IMS control) and the general 5G network architecture. Attending Apis “VoLTE – Voice over LTE”, “IMS Architecture” and “IMS for VoLTE in Half a Day” courses, or having the equivalent knowledge, will allow the participants to benefit fully from the course. Network Architecture Brief overview of the 4G and 5G System architecture and basic mobility and data connection establishment procedures. Overview of deployment options for 4G and 5G core networks. Overview of deployment options for connecting 4G/5G radio to 4G/5G core networks. Brief overview of the IMS functionalities. Deployment options for HSS/UDM/UDR. Protocol used for communication on various interfaces within 4G/5G core networks, towards RAN, and to/inside IMS network elements. Overview of idle and connected mode mobility procedures for UEs moving between 2G/3G/4G/5G radio and core network. Overview of various possibilities to handle IMS signaling and media between 4G/5G RAN and core network. IMS Voice over PS: 4G vs 5G IMS usage of PDN Connections and EPS Bearers in 4G. IMS usage of PDU Sessions and QoS Flows in 5G. Selected details of IMS procedures and IMS related procedures in 5G. Subscription data synchronization for IMS. Requesting the multimedia service: setting up telephony-specific behavior and resources at 5G Registration, PDU Session Establishment, IMS Registration and IMS Session Setup. Protocol stack for IMS media transport over NR, E-UTRA, and in Dual Connectivity scenarios. Signaling and media flow for various roaming scenarios. Single or dual IMS registration for UE. SMS transport options over 4G, 5G, and IMS over 4G or 5G. 5GS Support for Telephony UE Capabilities related to IMS voice support and IMS related network procedures. Handling of UE related capabilities and IMS related subscription parameters between 5G core network functions. IMS PDU Session attributes. PS Data Off service exemptions for IMS service handling. ANDSP and URSP for IMS services. P-CSCF discovery procedure. IMS Support for telephony HTTP-based communication for IMS service handling; mapping of Diameter messages to HTTP service requests and responses. Selected UE and network features to be supported according to GSM Association “IMS Profile for Voice, Video and Messaging over 5GS”. UE inputs for Originating Access Domain Selection for MO IMS calls. Media codecs for IMS over 5G and media transport. Role of Telephony Application Server. Selected SIP message parameters for multimedia telephony. Interworking: Core Network UE idle mode mobility procedures between 2G, 3G, 4G, and 5G. UE connected mode mobility procedures between 2G, 3G, 4G, and 5G. Handling of UE network capabilities in EPC and 5GC. Selected details of UE Policy Delivery Service signaling between UE and PCF. Handling of data connections in idle/connected mode mobility procedures. PDN Connection/PDU Session establishment aspects: CN domain selection, redirection, etc. Single and dual registration mode UEs. Mapping and handling of EPS-GUTI and 5G-GUTI. Interactions between HSS and UDM in interworking scenarios. Interworking with and without N26 interfaces between 4G and 5G core networks. RAT Fallback and EPS Fallback for IMS sessions. Signaling details of selected interworking procedures. Interworking and session related parameters exchanged between HSS/UDM and MME/AMF/SMF. Interworking: Access Network 5G Access Network options: NR, E-UTRA, Wi-Fi. Handling of UE radio capabilities related to IMS and 4G/5G interworking, including UCMF role. Overview of RAN-based Dual Connectivity procedures. CN-based and RAN-based User Plane splitting options. Interworking with Wi-Fi access: session transfers, Multi-Access PDU Sessions. RAN procedures for Dual Connectivity handling: Secondary Node handling, handover procedures. Brief introduction to radio relays: donor eNBs in E-UTRAN and IAB nodes in NG-RAN. Radio connection suspension: overview and comparison of 4G and 5G details. Unified Access Control in 5G and IMS related options for UAC. SRVCC between 5G NR and 3G UTRA.
€495
E-Learning
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Voice in 5G in an Hour

CONTENTS This course is a brief technical presentation of the handling of multimedia telephony service in 5G (with standalone deployment) and related interworking procedures with 4G, as specified in the 3GPP standards. The course focuses on the voice/multimedia telephony service under IMS control for networks with 5G deployed. It presents the architecture for IMS-based call handling in 5G networks, the interworking between 4G and 5G on the core network and radio network level to support device mobility and service continuity in a multi-access environment and selected requirements as specified by GSM Association. PREREQUISITES Technical knowledge of the voice service handling in 4G mobile telecom networks is crucial. Understanding the technical solutions for the handling of the voice service in 5G requires a good grasp of voice handling in 4G (VoLTE, with IMS control) and the general 5G network architecture. Attending Apis “IMS for VoLTE in Half a Day” course, or having the equivalent knowledge, will allow the participants to benefit fully from the course. NOTE: This course is not delivered with the FoldOut methodology. Network Architecture Overview of voice service handling in pre-5G networks: CS domain, IMS with 4G High-level network architecture for 4G and 5G interconnection Overview of 4G system architecture and 5G system architecture High-level architecture for 5GC – EPC interworking HSS and UDM interworking procedures 4G/5G deployment options with single-/multi-RAT Dual Connectivity UE connections to Packet Data Networks IMS Voice in 5G Introduction to IMS architecture and functionalities of IMS network elements Overview of IMS registration session invitation procedures 5G System support for IMS: support indications, PDU session attributes and 5QI values URSP and ANDSP Selected requirements from GSMA NG.114 IMS profile for 5GS Obtaining the P-CSCF address by the UE with 5GC registration and discovery of P-CSCF 5G impact on IMS interfaces Interworking Overview of idle mode mobility procedures between 2G, 3G, 4G and 5G UE operation mode and N26 interface Procedures for interworking with N26 interface RAT Fallback procedure for IMS voice EPS Fallback procedure for IMS Voice Overview of connected mode mobility procedures between 2G, 3G, 4G and 5G Overview of PS-to-CS SRVCC from 5G NR to 3G UTRA FDD
€95
E-Learning
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Cloud, NFV and SDN

CONTENTS The course is designed to let the student acquire knowledge on architecture, hardware, software, services and development of Cloud Computing technologies. The course analyzes hypervisor virtualization and container technology, and explains the difference between the cloud execution environment and cloud management. Telco cloud is discussed in the context of the ETSI NFV standard. The course also covers Software-Defined Networking and describes how NFV and SDN intersects and work together. PREREQUISITES Working knowledge of computer and telecommunications systems. NOTE: This course is not delivered with the FoldOut methodology. Introduction What is the cloud? Essential cloud characteristics as-a-Service models Examples of Cloud Services Aspects of Cloud Services Private/Public/Hybrid/Multi-Cloud Virtualization Virtualization and Cloud Virtualization benefits Distribution of Resources Single/Multi-tenancy Live Migration Hypervisor Solutions Type 1 and Type 2 hypervisors Desktop vs Server Virtualization Hardware Assist Containers Linux Containers (LXC) Docker Kubernetes/Redshift The Cloud Native approach Acceleration Technologies SR-IOV DPDK Acceleration in VMs and Containers OpenStack Introduction and background Components/Projects Main Openstack Architecture Compute/Storage/Networking with Openstack OpenStack in Practice Bare metal deployment VMWare + OpenStack Network Function Virtualization (NFV) The Telco Cloud ETSI NFV Standards NFV main architecture Official NFV Use cases NFV Concerns Proofs of Concept Open Source NFV VMware and Openstack in NFV Software Defined Networking (SDN) Why SDN? SDN in Data Centers Three variations on SDN OpenFlow-Based Control Plane Extensions Overlay Abstraction Network Operating Systems OpenDayLight OpenFlow VxLAN Example SDN service providers The Bigger SDN Picture
€495
E-Learning
max 1

Cloud, NFV and SDN in an Hour

CONTENTS The course is designed to let the student acquire overview knowledge on architecture, hardware, software, services and development of Cloud Computing technologies. The course walks you through hypervisor virtualization as well as container technology, and explains the difference between the cloud execution environment and cloud management. Telco cloud is discussed in the context of the ETSI NFV standard. The course also covers Software-Defined Networking and describes how NFV and SDN intersects and work together. It is a shorter version of the two-day course “Cloud, NFV and SDN”. PREREQUISITES Working knowledge of computer and telecommunications systems. NOTE: This course is not delivered with the FoldOut methodology. Cloud Introduction What is the cloud? Essential cloud characteristics as-a-Service models Private/Public/Hybrid/Multi-Cloud Virtualization Virtualization and Cloud Virtualization benefits Distribution of Resources Containers Linux Containers (LXC) Docker The Cloud Native approach OpenStack Introduction and background Components/Projects Main Openstack Architecture Network Functions Virtualization (NFV) The Telco Cloud NFV main architecture Official NFV Use cases Software Defined Networking (SDN) Why SDN? SDN Devices SDN and NFV
€95
E-Learning
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Cloud, NFV and SDN in Half a Day

CONTENTS The course is designed to let the student acquire basic knowledge on architecture, hardware, software, services and development of Cloud Computing technologies. The course walks you through hypervisor virtualization as well as container technology, and explains the difference between the cloud execution environment and cloud management. Telco cloud is discussed in the context of the ETSI NFV standard. The course also covers Software-Defined Networking and describes how NFV and SDN intersects and work together. It is a shorter version of the two-day course “Cloud, NFV and SDN”. PREREQUISITES Working knowledge of computer and telecommunications systems. NOTE: This course is not delivered with the FoldOut methodology. Cloud Introduction What is the cloud? Essential cloud characteristics as-a-Service models Examples of Cloud Services Private/Public/Hybrid/Multi-Cloud Virtualization Virtualization and Cloud Virtualization benefits Distribution of Resources Containers Linux Containers (LXC) Docker The Cloud Native approach OpenStack Introduction and background Components/Projects Main Openstack Architecture OpenStack in Practice Network Functions Virtualization (NFV) The Telco Cloud ETSI NFV Standards NFV main architecture Official NFV Use cases Software Defined Networking (SDN) Why SDN? Three variations on SDN OpenFlow-Based Control Plane Extensions Overlay Abstraction Network Operating Systems OpenDayLight OpenFlow VxLAN The Bigger SDN Picture
€195
E-Learning
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Network Function Virtualization – Architecture and Principles

CONTENTS This course is designed for students who want to acquire detailed knowledge of the NFV architecture, its development phases and its relation to SDN and Cloud Technology. The different parts (MANO, NFVI and VNFs) are explained as well as their interaction and use cases are examined to bring the whole picture together. Networking in a world of virtual machines is given extra attention, as this is an area that can be difficult for newcomers in the world of virtualization. PREREQUISITES General telecom knowledge is optional while computer science (how computers work, on a fundamental level) and familiarity with TCP/IP networking is very beneficial for the understanding of the contents of this course. Virtualization Cloud Technology Hypervisors Linux Containers COTS hardware Virtual Machines vCPU and vNICs Network Functions Virtualization and Software-Defined Networking (SDN) The function and benefits of NFV The function and benefits of NFV How NFV and SDN fit together How SDN and NFV are controlled Distributed VNFs Functions of MANO (NFV Management and Orchestration) NFVI (NFV Infrastructure) NFV Building Blocks VNFs VNF Components (VNFC) Virtual Machines The relation between VNF, VNFC and VM NFV Flexibility What scaling is and why we do it Horizontal scaling (scale in and out) Vertical scaling (up and down) Live migration functionality and reasons to do it NFV Reference Architecture The whole ETSI NFV Reference Picture NFVI, VNFs Element Managers (EM) The inside of the MANO (NFVO, VNFM and VIM) Interaction with OSS/BSS Reference points / interfaces Example: VNF Instantiation Procedure NFVI Domains The Hypervisor Domain The Compute Domain The Infrastructure Network Domain NFVI-PoPs (NFVI Point-of-Presence) What “Virtual Compute” really is, according to ETSI What “Virtual Storage” really is, according to ETSI What “Virtual Networks” really is, according to ETSI Networking for Virtual Machines Concrete Networking Examples Both Physical and Logical representations of all examples With Protocol Stacks for all examples Examples include elements such as: Virtual switches and NICs (vSwitch and vNIC) Physical switches and NICs Embedded switch (eSwitch) DHCP NAT VLAN VxLAN All examples are routed together to show-case all possible combinations Networking in Live Migration Different Live Migration Examples Examples without SDN (intra-LAN and inter-LAN) Example with OpenFlow-based SDN Example with VxLAN-based SDN VxLAN is explained with detailed protocol stacks NFV Networking Terminology The different networking terms used by the ETSI documents The data model for an NFV Network Service, from top to bottom Example terms that are shown in relation to each other: NS (Network Service) VNF / PNF (Physical Network Function) VNFC VL (Virtual Link) VNFFG (VNF Forwarding Graph) NFP (Network Forwarding Path) CP (Connection Point) Network Types E-LINE E-LAN E-TREE Management and Orchestration A detailed look inside the NFV MANO NFVO (NFV Orchestrator) VNFM (VNF Manager) VIM (Virtualized Infrastructure Manager) Interaction between the internal functions MANO Catalogs and Databases NFV Use Cases A walk-through of the nine NFV use cases chosen by ETSI NFVIaaS, VNFaaS and VNPaaS VNF Forwarding Graph Virtual Mobile Core & IMS Virtual Mobile Base Station Virtual Home Environment Virtual CDNs Fixed Access NFV
€495
E-Learning
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NFV MANO

CONTENTS This course uses as a starting point the main ETSI NFV architecture with its building blocks, and then focuses its attention on the Management and Orchestration (MANO) functions. While still keeping the big picture and real-world use cases in view, it describes the three main sub-components of MANO (NFVO, VNFM and VIM) and explains how they are used to construct a Network Service (NS) comprising virtualized as well as physical network functions (VNFs and PNFs) connected with virtual network links (VLs). PREREQUISITES Working knowledge of computer and telecommunications systems as well as understanding of the ETSI NFV architecture corresponding to the course “NFV Architecture and Principles”. ETSI NFV NFV Architecture ETSI Reference Points Network Services PNFs and VNFs Virtual Links and Connection Points Cloud Native vs Hypervisor Virtualization MANO Functions and RESTful APIs NFV Orchestrator (NFVO) VNF Manager (VNFM) Virtualized Infrastructure Manager (VIM) NFVO/VNFM/VIM Responsibilities Stored Data Reference Points vs Interfaces Main Functionality of Interfaces RESTful API Approach HTTP Request Line Construction HTTP Commands The NFV Network Service NS Data Model Descriptor vs Instance (Info) Data Models Service Access Points (SAP) Data VNF and PNF Data Profiles for VNF/PNF/NS Virtual Links and Link Ports VNF Forwarding Graphs Example: Voice over 5G Network Service Instantiation The Role of Descriptors The Role of Deployment Flavors (DF) The Role of Instantiation Levels How Profiles are Constructed Run-Time NS Instance Data NS Instantiation Flow VNF Instantiation Flow On-Boarding Network Services and Functions VNF Packages VNFD/NSD/PNFD Files TOSCA, YAML and CSAR VNF Onboarding Flow NS Onboarding Flow Scaling Scaling In/Out Scaling Up/Down NS Scaling VNF Scaling Who Decides Scaling Who Performs Scaling Scaling Methods Instantiation Levels Scaling Aspect Steps Performance and Fault Management (PM & FM) PM/FM Operations per MANO Interface What Can Be Measured (PM) What Can Trigger Alarms (FM) Subscriptions and Notifications Corresponding HTTP Requests/Responses PM Jobs and Thresholds (PM) Acceleration Technologies SR-IOV DPDK Host and VM Acceleration Hypervisor vs Container Acceleration End-to-End MANO SDN in the NFV Architecture Network Slicing Multiple NFVOs and VIMs WAN Infrastructure Manager (WIM) Open Source MANO Examples OSM ONAP
€495
E-Learning
max 1

NFV MANO in an Hour

CONTENTS This course uses as a starting point the main ETSI NFV architecture with its building blocks, and then focuses its attention on the Management and Orchestration (MANO) functions. While still keeping the big picture and real-world use cases in view, it describes the three main sub-components of MANO (NFVO, VNFM and VIM) and explains how they are used to construct a Network Service (NS) comprising virtualized as well as physical network functions (VNFs and PNFs) connected with virtual network links (VLs). This course exists in a longer version, NFV MANO In Half a Day, and a full-length version covering all topics in much more detail. PREREQUISITES Working knowledge of computer and telecommunications systems as well as understanding of the ETSI NFV architecture is beneficial. NOTE: This course is not delivered with the FoldOut methodology. ETSI NFV NFV Architecture ETSI Reference Points Network Services PNFs and VNFs Virtual Links and Connection Points MANO Functions NFV Orchestrator (NFVO) VNF Manager (VNFM) Virtualized Infrastructure Manager (VIM) NFVO/VNFM/VIM Responsibilities Stored Data Reference Points vs Interfaces The NFV Network Service Virtual Links and Link Ports VNF Forwarding Graphs Example: Voice over 5G Network Service Instantiation The Role of Descriptors The Role of Deployment Flavors (DF) The Role of Instantiation Levels NS Instantiation Flow VNF Instantiation Flow On-Boarding Network Services and Functions VNF Packages VNFD/NSD/PNFD Files TOSCA, YAML and CSAR VNF Onboarding Flow NS Onboarding Flow Scaling NS Scaling VNF Scaling Who Decides Scaling Who Performs Scaling MANO Extended Edition Multiple NFVOs and VIMs WAN Infrastructure Manager (WIM)
€95
E-Learning
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