EMERGING NETWORKING TECHNOLOGIES
SDN ( Software Defined Networking )
NFV ( Network Functions Virtualization )
Telecom Training Workshop : 3 Days
Traditional networks have been designed with purpose-built network equipment (e.g., Routers, Ethernet switches, EPC hardware, firewalls, load balancers, etc.) based on vendor-specific hardware and software platforms. Deploying these monolithic network elements has resulted in long development and installation cycles (slowing time-to-market for new products and services), overly complex lifecycle management practices (adding to operational inefficiency and overhead) and increasing levels of investment driven by escalating customer demand at a rate that exceeds revenue growth.
An operator’s network is currently composed of a variety of “bundled” network elements, where the control, management, and data (user data traffic) functions are physically tied together and the bundled network elements are each provided by the same supplier. Deployment of new services or upgrades or modifications to existing services must be done on an element-by-element basis and requires tight coordination of internal and external resources. This bundling limits operational flexibility while increasing reliance on proprietary solutions from suppliers. The goals of the SDN-NFV provide the following Operational Efficiencies
- Elastic, scalable, network-wide capabilities
- Automated OAM&P; limited human touch
- Dynamic traffic steering and service chaining
- Time-to-market improvements; elimination of point solutions
- Agile service creation and rapid provisioning
- Improved customer satisfaction
The following are key features of the network based on SDN and NFV:
- Separation of control and data plane;
- Virtualization of network functions;
- Programmatic control of network;
- Programmatic control of computational resources using orchestration;
- Standards-based configuration protocols;
- A single mechanism for hardware resource management and allocation;
- Automation of control, deployment, and business processes;
- Automated resource orchestration in response to application/function needs.
Combining these techniques facilitates dynamic adaptation of the network based on the application, increases operational flexibility, and simplifies service development. Functions may be dynamically scaled to meet fluctuations in demand. SDN and NFV together change the traditional networking paradigms.
Network Functions Virtualization (NFV) will drive dramatic cost reductions while also accelerating service delivery. Using NFV with SDN, network owners can provision new functions rapidly on demand, improve scalability, and leverage microservices. Benefits like these will make NFV indispensable for service providers, mobile operators, telcos, and enterprises alike.
Network Functions Virtualization (NFV) with SDN is the practical introduction to NFV’s fundamental concepts, techniques, and use cases. The course is for wide audiences of network engineers, architects, planners, and operators, it assumes no previous knowledge of NFV architecture, deployment, or management.
EVOLUTION OF NETWORKING ECOSYSTEM
Characteristics of Networks
SOFTWARE DEFINED NETWORKS ( SDN )
Evolving Network Requirements SDN Approach
SDN Standards
SDN Architecture – Data Plane – OpenFlow
SDN Data Plane Functions & Protocols
OpenFlow Logical Network Device, Structure, tables & Protocols
SDN Control Plane, Functions & Interfaces
OpenDayLight Architecture
SDN Controllers
SDN Application Plane
Architecture, Interfaces & Applications
SDN Security
SDN Use Cases
NETWORK FUNCTIONS VIRTUALIZATION ( NFV )
Concepts & Architecture NFV Infrastructure
NFVI Containers & Domains
NFV Management & Orchestration
- NFV: Motivation and Problem Statement – Trends in IT & Telecom Challenges – NFV & SDN
- Network Functions Virtualization – Vision & Approach – Benefits & Promises
- ETSI NFV ISG Working Groups & Reference Architecture
- NFV Requirements and Challenges – Performance, scalability, management, orchestration, resilience, security, portability, interoperability, etc. – Ongoing Research efforts
- Use Cases and Proof-of-Concepts – CloudNFV, Service Chaining, VNF State Migration and Interoperability. Distributed-NFV, Multi Vendor vIMS, ForCES, Hardware Acceleration, Virtual EPC Gateway
- Overview of Enabling Technologies – Programmable vSwitches, Minimalistic OS (ClickOS), lightweight virtualization (Docker, LXC), Improving Linux I/O, x86 packet processing (Intel DPDK), vRouter (Vyatta), OpenStack, OPNFV
NFV use cases
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