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研究生： 黃河
Ha, Hoang
論文名稱： 5G網絡切片快照系統
5G Network Slice Snapshot System
指導教授： 鄭憲宗
Cheng, Sheng-Tzong
學位類別： 碩士
Master
系所名稱： 電機資訊學院 - 資訊工程學系
Department of Computer Science and Information Engineering
論文出版年： 2019
畢業學年度： 107
語文別： 英文
論文頁數： 47
外文關鍵詞： 5G, Network Slice, Snapshot, Fault Detection, Adaptive Backup
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    • Network Slicing is a kind of virtual network which nearly similar to Network Functions Virtualization (NFV) and Software-Defined Networking (SDN). It provides network service by the various network component. It is also similar to VLAN so it can contain a mix of the virtual machine and physical computer. Inside network slicing, the service components are mainly Virtual Network Functions (VNF).
    Every system has errors, small or big, network slicing is not excluded. In a network environment, there are multiple network slices, serve different purposes users. One of network slice may get failed, has some suspicious errors, but it will not affect another network slice, the system still working normally.
    In order to solve the network slice error problem, in this thesis, we present a Network Slicing Snapshot system for 5G networking environments. It has three main parts which are Fault Detection, Adaptive Backup, and Recovery. This system can monitor errors which happen on network slices, predicts if, in a short time, a significant error will occur on network slice which may causing an abnormal operation or not, and create a snapshot on each checkpoint allow administrator restore faulty network slice from the closet snapshot that available.

    ABSTRACT I ACKNOWLEDGMENTS II TABLE OF CONTENTS III LIST OF TABLES V LIST OF FIGURES VI LIST OF ABBREVIATIONS VII Chapter 1 Introduction and Motivation 1 1.1. Introduction 1 1.2. Motivation 2 1.3. Thesis Overview 4 Chapter 2 Background and Related Work 5 2.1. Network Functions Virtualization 5 2.2. OpenStack 7 2.3. OpenMANO 10 2.4. Network Slice Lifecycle 13 2.5. Zabbix 14 Chapter 3 Approach 16 3.1 Problem Description 16 3.2 System Design 17 3.2.1 System architecture 17 3.2.2 Detect the underlying hardware state 19 3.2.3 Collecting variables and software execution status 21 3.2.4 The adaptive predictive backup mechanism 22 3.2.5 Self-Adaptive predictive backup system 26 3.2.6 Recovery Process 29 3.2.7 Network Slice Lifecycle Management 30 Chapter 4 Implementation and Experiment 31 4.1 Experiment Environment and Settings 31 4.2 Implementation 32 4.3 Experiment Result 35 4.3.1 Network Disconnected 35 4.3.2 Hack Network Slice 35 4.3.3 Disconnect Network while Create/Revert Snapshot 36 4.3.4 Change configuration 36 4.3.5 Unknown error 36 4.4 System Performance 38 Chapter 5 Conclusion and Future work 39 Reference 40

    1. EUR-Lex - 52016SC0306 - EN - EUR-Lex. 2019; Available from https://eur-lex.europa.eu.
    2. IMT. M.2083: IMT Vision - "Framework and overall objectives of the future development of IMT for 2020 and beyond". 2019; Available from https://www.itu.int.
    3. VMware. Network Functions Virtualization Overview. 2019; Available from https://docs.vmware.com.
    4. OpenStack Offical Website. Available from: https://www.openstack.org.
    5. Sefraoui, O., M. Aissaoui, and M. Eleuldj, OpenStack: Toward an Open-source Solution for Cloud Computing. 2019.
    6. OSM Public Wiki. Available from: https://osm.etsi.org.
    7. 3GPP. 2019; Available from https://3gpp.org.
    8. Zabbix Wiki. 2019; Available from https://www.zabbix.com/.
    9. Li, X., et al., Network Slicing for 5G: Challenges and Opportunities. Vol. 21. 2017. 20-27.

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