The Study of A Containerized NFV Orchestrator Based on Kubernetes

Autor: Meng-Ze Li, 李孟澤
Rok vydání: 2019
Druh dokumentu: 學位論文 ; thesis
Popis: 107
In recent years, with the cloud computing, software-defined networking and virtualization technologies continue to evolve, the replacement of dedicated network devices with commodity servers has gradually been proposed and discuss the challenges and future directions of this emerging research field. Therefore, the European Telecommunications Standards Institute (ETSI) proposes the concept of Network Function Virtualization (NFV) from the perspective of network operators, and implements the decoupling of network functions on dedicated hardware through software. Thus, the Virtual Network Function (VNF) provides network services to users and dynamically controls network traffic through SDN. There are many Network Function Virtualization Orchestrators (NFVO) that are responsible for managing the lifecycle of VNFs. However, most of NFVO uses virtual machines (VM) to orchestrate VNFs. By the way, the performance loss of the VM is large and the startup time is long. This may cause the performance of the VNF reduced. Therefore, the containerized VNF and manage the VNF life cycle by the Kubernetes has proposed. CORD 6.0 XOS NFVO is one among them supporting containerized VNF with Kubernetes. However, CORD 6.0 XOS NFVO does not provide the separation of control plane and user plane (C/U split) that recommended by ETSI NFV MANO. In addition, CORD 6.0 XOS NFVO does not support the feature of load balancing and auto-scaling of VNFs that also recommended by ETSI NFV MANO. Therefore, this study proposes an improved XOS NFVO architecture to support dual network interface with C/U split feature as well as replica VNFs with the characteristics of load balancing and auto-scaling.
Databáze: Networked Digital Library of Theses & Dissertations