Efficient Flow Table Management Scheme in SDN-Based Cloud Computing Networks
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초록
With the rapid advancement of Internet services, there has been a dramatic increase in services thatdynamically provide Internet resources on demand, such as cloud computing. In a cloud computing service,because the number of users in the cloud is changing dynamically, it is more efficient to utilize a flexiblenetwork technology such as software-defined networking (SDN). However, to efficiently support the SDNbasedcloud computing service with limited resources, it is important to effectively manage the flow table atthe SDN switch. Therefore, in this paper, a new flow management scheme is proposed that is able to, throughefficient management, speed up the flow-entry search speed and simultaneously maximize the number of flowentries. The proposed scheme maximizes the capacity of the flow table by efficiently storing flow entryinformation while quickly executing the operation of flow-entry search by employing a hash index. In thispaper, the proposed scheme is implemented by modifying the actual software SDN switch and then, itsperformance is analyzed. The results of the analysis show that the proposed scheme, by managing the flowtables efficiently, can support more flow entries.
Abstract
With the rapid advancement of Internet services, there has been a dramatic increase in services thatdynamically provide Internet resources on demand, such as cloud computing. In a cloud computing service,because the number of users in the cloud is changing dynamically, it is more efficient to utilize a flexiblenetwork technology such as software-defined networking (SDN). However, to efficiently support the SDNbasedcloud computing service with limited resources, it is important to effectively manage the flow table atthe SDN switch. Therefore, in this paper, a new flow management scheme is proposed that is able to, throughefficient management, speed up the flow-entry search speed and simultaneously maximize the number of flowentries. The proposed scheme maximizes the capacity of the flow table by efficiently storing flow entryinformation while quickly executing the operation of flow-entry search by employing a hash index. In thispaper, the proposed scheme is implemented by modifying the actual software SDN switch and then, itsperformance is analyzed. The results of the analysis show that the proposed scheme, by managing the flowtables efficiently, can support more flow entries.
참고문헌 (13)
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