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AutoVNF: An Automatic Resource Sharing
Schema 1School
of Computer Engineering, Nanjing Institute of Technology Nanjing 211167, China wweihuang@sina.com.cn 2State
Key Laboratory for Novel Software Technology, Nanjing University Nanjing 210023, China haoren zhu@dislab.nju.edu.cn,
qzz@nju.edu.cn Abstract Nowadays, network function
virtualization (NFV) receives widespread concerns from the whole society for
its promising application. The main challenge for the deployment of VNF that
comes along is the resource allocation of demanded network services in
NFV-based network infrastructures. Current offline resource mapping and
scheduling algorithms are impractical for continuous VNF requests in data
centers, because of the high time consumption. In this paper, we firstly
present a resource sharing schema for VNF, including the automatic monitoring
and fast switching mechanisms, which support multiple VNFs effectively share resource
in one node. This VNF resource sharing schema improves the acceptance ratio
of VNF requests as well as the system utilization. And then, we propose an
automatic NFV resource allocation mechanism AutoVNF to optimize the VNF
deployment. AutoVNF includes mapping and scheduling algorithms, which
automatically allocates available nodes to VNF requests and schedules the
execution of VNFs in one VNF queue. Simulations show that AutoVNF has a good
performance on acceptance ratio, average flow time, and total cost compared
with well-known scheduling algorithms. Keywords: virtual network function, resource sharing, service
function chain +: Corresponding author: Zhuzhong Qian Journal
of Internet Services and Information Security
(JISIS), 7(3): 34-47, August 2017
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