Research on SDN multi-attribute query structure based on combined multi-dimension dynamic Bloom filter
SUN Yantao
WANG Ruixue
REN Shuting
Abstract：As a new innovation structure of network,software-defined networking (SDN) provides a good platform for the core network and application innovation.However,Openflow as a key of technology to implement SDN still exists some technical bottlenecks in the actual application.In this paper,we proposed using Combined Multi-Dimension Dynamic Bloom Filter(CMDDBF) to replace the TCAM(Ternary Content Addressable Memory) in Openflow switch to forward and process the data of flow tables,which can solve the shortcomings of TCAM such as lower space utilization and expensive.In addition,CMDDBF can dynamic adjust memory space according to the size of data and it is more suitable for query and process operations of flow table.Experimental analyses show that CMDDBF can not only realize the query of multi-attribute data effectively,but also have a lower false positive.
Keywords：software-defined networkingOpenflowTCAMmulti-dimension dynamic Bloom filter
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：7( 21-27 )