Conference paper Open Access

# Hybrid SDN: Evaluation of the impact of an unreliable control channel

Osman, Mohammed; Núñez-Martínez, José; Mangues-Bafalluy, Josep

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"affiliation": "Centre Tecnol\u00f2gic de Telecomunicacions de Catalunya (CTTC)",
"name": "Osman, Mohammed"
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{
"affiliation": "Centre Tecnol\u00f2gic de Telecomunicacions de Catalunya (CTTC)",
"name": "N\u00fa\u00f1ez-Mart\u00ednez, Jos\u00e9"
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{
"affiliation": "Centre Tecnol\u00f2gic de Telecomunicacions de Catalunya (CTTC)",
"name": "Mangues-Bafalluy, Josep"
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"description": "<p>Software defined networking (SDN) setups in general assume a perfect control channel between network devices and the centralized controller. Whilst this may be the case in certain controlled contexts such as data centers, when moving to wide area networks, this assumption does not necessarily hold true anymore. Therefore, there is the need to evaluate the impact of unreliable control plane behavior in SDN scenarios. This paper evaluates the impact of a lossy control channel on data plane throughput and latency. Additionally, it presents a hybrid SDN approach that dynamically switches between centralized and distributed operation at nodes, depending on the control channel packet loss ratio. Results show that throughput and latency at data plane can be maintained at acceptable level even in the presence of substantial control channel losses.</p>",
"doi": "10.1109/NFV-SDN.2017.8169866",
"grants": [
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"acronym": "5G-Crosshaul",
"code": "671598",
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"doi": "10.13039/501100000780",
"self": "https://zenodo.org/api/funders/10.13039/501100000780"
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"name": "European Commission"
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"self": "https://zenodo.org/api/grants/10.13039/501100000780::671598"
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"program": "H2020",
"title": "5G-Crosshaul: The 5G Integrated fronthaul/backhaul"
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"language": "eng",
"id": "CC-BY-4.0"
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"meeting": {
"dates": "01 November 2017",
"title": "IEEE Conference on network Function Virtualization and Software Defined (NFV-SDN)"
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"notes": "Grant numbers : This work was partially funded by the grant TEC2014-\n60491-R (5GNORM) .\u00a9 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.",
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