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Conference Paper
A Flow Entry Management Scheme for Reducing Controller Overhead
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- Authors
- Eun-Do Kim, Seung-Ik Lee, Yunchul Choi, Myung-Ki Shin, Hyoung-Jun Kim
- Issue Date
- 2014-02
- Citation
- International Conference on Advanced Communication Technology (ICACT) 2014, pp.754-757
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, we advocate addressing the communication overhead problem between OpenFlow controllers and OpenFlow switches due to table-miss in a flow table. It may cause the communication overhead between controllers and switches because a switch has to send packet-in message to a controller for processing table-missed flows. We propose a simple flow entry management scheme for reducing the controller overhead by increasing the flow entry matching ratio. By using an LRU caching algorithm, a switch can keep the flow entries in a flow table as many as possible, and then the flow entry matching ratio can be increased. © 2014 Global IT Research Institute (GIRI).
- KSP Keywords
- Communication overhead, Flow Table, OpenFlow Switch, Research institute, Table-miss, caching algorithm, management scheme