Resilient Virtual Network Function Placement Model Based on Recovery Time Objectives

Naoki Hyodo, Takehiro Sato, Ryoichi Shinkuma, Eiji Oki

研究成果: Conference contribution

抄録

This paper proposes a virtual network function (VNF) placement model for service chaining that minimizes the cost of using computation resources when no failure occurs while guaranteeing recovery against any single facility node failure within the recovery time objective (RTO) defined for each service. The proposed model adaptively allocates computation resources to each service under its RTO constraint. The proposed model introduces two sharing methods of computation resources among multiple service chains. The first method allows sharing a virtual machine (VM) where a VNF is scheduled to run after a failure, which contributes to suppressing the number of VMs reserved in preparation for a failure. The second method allows sharing computation capability used for VMs, which prevents unnecessary VNF scale-up that requires additional computation resources. A simulation study verifies that the proposed model reduces the cost of using computation resources compared to comparative models.

本文言語English
ホスト出版物のタイトル2020 IEEE 21st International Conference on High Performance Switching and Routing, HPSR 2020
出版社IEEE Computer Society
ISBN(電子版)9781728148465
DOI
出版ステータスPublished - 2020 5
外部発表はい
イベント21st IEEE International Conference on High Performance Switching and Routing, HPSR 2020 - Newark, United States
継続期間: 2020 5 112020 5 14

出版物シリーズ

名前IEEE International Conference on High Performance Switching and Routing, HPSR
2020-May
ISSN(印刷版)2325-5595
ISSN(電子版)2325-5609

Conference

Conference21st IEEE International Conference on High Performance Switching and Routing, HPSR 2020
国/地域United States
CityNewark
Period20/5/1120/5/14

ASJC Scopus subject areas

  • ハードウェアとアーキテクチャ
  • 電子工学および電気工学

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