NDLI: Effective idle_timeout value for instant messaging in Software Defined Networks

Content Provider	IEEE Xplore Digital Library
Author	Haochi Liang Peilin Hong Jianfei Li Dan Ni
Copyright Year	2015
Description	Author affiliation: Inf. Network Lab. of EEIS Dept., Univ. of Sci. & Technol. of China, Hefei, China (Haochi Liang; Peilin Hong; Dan Ni) \|\| Huawei Technol. Corp. Ltd., Beijing, China (Jianfei Li)
Abstract	In Software Defined Networks (SDN), each flow table entry is dedicated to an individual flow and has an idle timeout value associated with it. Due to limited flow table and controller processing resources, SDN suffers from scalability problem especially when dealing with a large number of flows. As Instant Messaging (IM) applications usually generate too many different flows and idle timeout has effect on the two limited resources, we try to obtain the effective idle timeout value for IM in this paper. Firstly, based on ON/OFF traffic model, we explore the effect of idle timeout on flow table and controller processing resources respectively, and then we define corresponding costs of the both resources. After that, we derive the lower and upper bounds of idle timeout value considering the constraints of limited flow table and controller processing resources. Furthermore, we formulate an optimization model to calculate the effective idle timeout for IM. At the end of this paper, we note that the simulation results are consistent with our theoretical analysis, which verifies the effectiveness of our model.
Starting Page	352
Ending Page	356
File Size	176877
Page Count	5
File Format	PDF
e-ISBN	9781467363051
DOI	10.1109/ICCW.2015.7247204
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-08
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	controller processing resource Analytical models Instant Messaging Upper bound Simulation Process control idle timeout Instant messaging flow table resource ON/OFF model Control systems Software
Content Type	Text
Resource Type	Article

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