2017
DOI: 10.1002/ett.3150
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New cooperative mechanisms for software defined networks based on hybrid switches

Abstract: Software defined networking (SDN) aims to provide simplified network design, operation, and management using a decoupled control plane. However, its centralized control and global network knowledge present scalability and reliability issues, which makes SDN deployment very challenging. In this paper, we propose and evaluate a hybrid switch with partial delegation of basic bridging and new cooperative mechanisms between controller and switches. This delegation offloads the SDN controllers while maintaining the … Show more

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Cited by 14 publications
(16 citation statements)
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References 30 publications
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“…Possible solutions range from running in parallel multiple synchronised controller instances as in [9], to implement controller offloading techniques such as delegating or reverting back certain control plane tasks to the data plane [3]. The latter can be accomplished by using hybrid SDN devices with autonomous forwarding capabilities that can be enabled or disabled by the control plane [4] and permits new cooperative mechanisms between the control and data plane if all hybrid SDN devices possess the same autonomous capabilities. This is a cumbersome requirement and limitation unless it comes coupled with data plane programmability features.…”
Section: Related Workmentioning
confidence: 99%
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“…Possible solutions range from running in parallel multiple synchronised controller instances as in [9], to implement controller offloading techniques such as delegating or reverting back certain control plane tasks to the data plane [3]. The latter can be accomplished by using hybrid SDN devices with autonomous forwarding capabilities that can be enabled or disabled by the control plane [4] and permits new cooperative mechanisms between the control and data plane if all hybrid SDN devices possess the same autonomous capabilities. This is a cumbersome requirement and limitation unless it comes coupled with data plane programmability features.…”
Section: Related Workmentioning
confidence: 99%
“…This is very useful if the control plane is only interested in managing premium services (due to priority level agreements or security reasons), but does not care/have resources to manage them all. Work in [4] shows that hybrid SDN switches, capable of autonomously applying self-learning forwarding rules if control plane rules do not match, alleviate the load at the control plane (since exchanged packets and processing needs are reduced).…”
Section: Introductionmentioning
confidence: 99%
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“…SDN is a new architecture that navigates the application plan on control plan for transferring data plan. The primary SDN architecture comprises of existing operational processes such as resource selection and allocation, traffic arranging and accelerating, and confirmation in three main layers including, application plan layer, data plan layer, and control plan layer . The existing plans communicate with each other using related application programmable interfaces (APIs) with some existing roles .…”
Section: Motivation and Related Workmentioning
confidence: 99%
“…Apart from the fully distributed process described above, we envisage other ways to implement the path recovery process. For instance, we could leverage an SDN controller and the OpenFlow protocol to deploy a centralized path recovery mechanism or even use a hybrid approach where the controller and the switches cooperate to recover the path [28].…”
Section: Path Recoverymentioning
confidence: 99%