Study of rule placement schemes for minimizing TCAM space and effective bandwidth utilization in SDN

Yen Wen Chen, Yu Hsuan Lin

研究成果: 書貢獻/報告類型會議論文篇章同行評審

2 引文 斯高帕斯(Scopus)

摘要

Software Defined Networking (SDN) provides flexible route arrangement and specific packets processing through the resided flow table. The flow table is always implemented by using ternary content addressable memory (TCAM) for fast packet matching and forwarding. In addition to the route information, TCAM provides packet processing rules to deal with packet redirection, filtering, and dropping for network security consideration. The packet filtering rules are also placed in the flow table of a specific SDN switch that the packet will pass through. If the rule can be placed at the switch that most packets are aggregated, then it will save the overall TCAM utilization. However, it will consume more link bandwidth, if the packet shall be dropped before it reaches the switch that the associated rule is placed. This paper proposes the rule placement scheme by considering the tradeoff of TCAM space utilization and the bandwidth consumption in SDN networks. Practical network topologies were adopted for exhaustive simulations. The simulation results show that the proposed scheme achieves the desired objective.

原文???core.languages.en_GB???
主出版物標題Proceedings - 2018 IEEE 6th International Conference on Future Internet of Things and Cloud Workshops, W-FiCloud 2018
編輯Irfan Awan, Muhammad Younas, Carlos Filipe Portela
發行者Institute of Electrical and Electronics Engineers Inc.
頁面21-27
頁數7
ISBN(電子)9781538678107
DOIs
出版狀態已出版 - 9 10月 2018
事件6th IEEE International Conference on Future Internet of Things and Cloud Workshops, W-FiCloud 2018 - Barcelona, Spain
持續時間: 6 8月 20188 8月 2018

出版系列

名字Proceedings - 2018 IEEE 6th International Conference on Future Internet of Things and Cloud Workshops, W-FiCloud 2018

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???event.eventtypes.event.conference???6th IEEE International Conference on Future Internet of Things and Cloud Workshops, W-FiCloud 2018
國家/地區Spain
城市Barcelona
期間6/08/188/08/18

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