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ResilientFlow: Deployments of Distributed Control Channel Maintenance Modules to Recover SDN from Unexpected Failures
Takuya OMIZO Takuma WATANABE Toyokazu AKIYAMA Katsuyoshi IIDA
IEICE TRANSACTIONS on Communications
Publication Date: 2016/05/01
Online ISSN: 1745-1345
Type of Manuscript: Special Section PAPER (Special Section on Internet Architectures and Management Methods that Enable Flexible and Secure Deployment of Network Services)
software-defined networking, OpenFlow, disaster, control channel, resilience, failure recovery, distributed control, OSPF, ResilientFlow, and control channel maintenance module (CCMM),
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Although SDN provides desirable characteristics such as the manageability, flexibility and extensibility of the networks, it has a considerable disadvantage in its reliability due to its centralized architecture. To protect SDN-enabled networks under large-scale, unexpected link failures, we propose ResilientFlow that deploys distributed modules called Control Channel Maintenance Module (CCMM) for every switch and controllers. The CCMMs makes switches able to maintain their own control channels, which are core and fundamental part of SDN. In this paper, we design, implement, and evaluate the ResilientFlow.