历粤毛子代技七势 XIDIAN UNIVERSITY Overview of Network Softwarization and its Core Technologies 19011210245朱宇豪 19011210244虞丰檑 19011210243郭宇莹 1
19011210245朱宇豪 19011210244虞丰檑 19011210243郭宇莹 Overview of Network Softwarization and its Core Technologies 1
CONTENTS 1.The description of Network Softwarization 2.Core Technologies of Network Softwarization 3.Application-driven Network Softwarization 2
2、Core Technologies of Network Softwarization 3、Application-driven Network Softwarization CONTENTS 1、The description of Network Softwarization 2
The description of Network Softwarization 3
The description of Network Softwarization 3
The description of Network Softwarization >"Network softwarization"was first introduced at the academic conference,NetSoft 2015,the first IEEE Conference on Network Softwarization. >Network softwarization is about designing,implementing, deploying,managing,and maintaining network equipment and/or network components through software programming. >The development trend of network softwarization is to use SDN,NFV and cloud computing,transforming the network XIDIAN UN 1931 industry into an open ecosystem
The description of Network Softwarization ➢“Network softwarization" was first introduced at the academic conference, NetSoft 2015, the first IEEE Conference on Network Softwarization. ➢Network softwarization is about designing, implementing, deploying, managing, and maintaining network equipment and/or network components through software programming. ➢The development trend of network softwarization is to use SDN, NFV and cloud computing, transforming the network industry into an open ecosystem. 4
The description of Network Softwarization Application Layer user O vertical direction uses Control layer OSS BSS NFV SDN to separate data Orchestrator VNF VNF VNF VNF and control plane. VNF NFVI Manager o horizontal perspective Devices Virtual Resources uses NFV to decouple Virtual Virtual Yirtual Virtualized Infrastructure Virtualization Layer Manager network functions and NFV MANO dedicated hardware. Infrastructure layer copH置dware Resource Orchestration layer Fig.1 Network softwarization architecture diagram 5
The description of Network Softwarization Fig.1 Network softwarization architecture diagram 5 ⚫ vertical direction：uses SDN to separate data and control plane. ⚫ horizontal perspective： uses NFV to decouple network functions and dedicated hardware. Orchestration layer NFV MANO Infrastructure layer NFVI Application Layer Control layer user Computing Storage Network Devices NFV Orchestrator VNF Manager Virtualized Infrastructure Manager BSS VNF VNF VNF OSS VNF VNF Virtualization Layer Virtual Resources Hardware Resources API API API API Virtual Computing Virtual Network Virtual Storage
知 Core Technologies of Network Softwarization 6
Core Technologies of Network Softwarization 6
Core Technologies of Network Softwarization The core technologies of network Network Softwarization “umbrella'” softwarization are SDN.NFV and cloud computing.These technologies Application layer Cloud reduce network operating costs and Control layer computing NFV SDN improve network programmability Transmission layer Access layer and flexibility. Fig.2 The core technologies of network softwarization 7
The core technologies of network softwarization are SDN, NFV and cloud computing. These technologies reduce network operating costs and improve network programmability and flexibility. Fig.2 The core technologies of network softwarization Core Technologies of Network Softwarization 7 Application layer Control layer Transmission layer Access layer Network Softwarization umbrella NFV SDN Cloud computing
Core Technologies of Network Softwarization-SDN Load balacing Routing strategy Application plane Traffic monitoring Other applications SDN is a new type of network Northbound API paradigm that decouples the control plane from the data plane, Control plane SDN Control Software Network Services making the network switch a simple forwarding device,and Southbound API the control logic is implemented Switch Switch Switch in the controller. Data plane Switch Switch Fig 3 Software defined network architecture 8
SDN is a new type of network paradigm that decouples the control plane from the data plane, making the network switch a simple forwarding device, and the control logic is implemented in the controller. Fig.3 Software defined network architecture Core Technologies of Network Softwarization-SDN Application plane Control plane Data plane Switch Switch Switch Switch Switch Northbound API Southbound API SDN Control Software Network Services Load balacing Traffic monitoring Routing strategy Other applications 8
Core Technologies of Network Softwarization-NFV NFV integrates the functions of VNF VNFI VNF2 VNF3 existing network equipment into standard servers,storage,switches NFVI NFV and other equipment,and realizes Virtual Virtual Virtual Management Computing Storage Network and Orchestration network functions in the form of Virtualization Layer software,thus replacing the private, Computing Storage Network Hardware Hardware Hardware dedicated and closed network element equipment in the current Fig.4 Network function virtualization architecture network. 9
NFV integrates the functions of existing network equipment into standard servers, storage, switches and other equipment, and realizes network functions in the form of software, thus replacing the private, dedicated and closed network element equipment in the current network. Fig.4 Network function virtualization architecture Core Technologies of Network Softwarization-NFV VNF VNF1 VNF2 VNF3 NFV Management and Orchestration NFVI Virtual Computing Virtual Storage Virtual Network Virtualization Layer Computing Hardware Storage Hardware Network Hardware 9
Core Technologies of Network Softwarization-Cloud computing Cloud computing is a network that provides resources centered on the Internet.By providing fast and secure cloud computing services and data storage on the website, every user using the Internet can use the huge resources and data centers on the network. HIDIAN UN 1931 10
Cloud computing is a network that provides resources centered on the Internet. By providing fast and secure cloud computing services and data storage on the website, every user using the Internet can use the huge resources and data centers on the network. Core Technologies of Network Softwarization-Cloud computing 10