A comprehensive survey of in-band control in SDN: challenges and opportunities
Authors
Carrascal Acebron, David; Rojas Sánchez, Elisa; Arco Rodríguez, José Manuel; López Pajares, Diego; Álvarez Horcajo, Joaquín; [et al.]Identifiers
Permanent link (URI): http://hdl.handle.net/10017/59558DOI: doi.org/10.3390/electronics12061265
ISSN: 2079-9292
Publisher
MDPI
Date
2023-03-07Funders
Comunidad de Madrid
Universidad de Alcalá
Agencia Estatal de Investigación
Bibliographic citation
Carrascal Acebrón, D., Rojas Sánchez, E., Arco Rodríguez, J.M., López Pajares, D., Álvarez Horcajo, J. & Carral Pelayo, J.A. 2023, "A comprehensive survey of in-band control in SDN: challenges and opportunities", Electronics, vol.12, n. 6, art. no. 1265, pp. 1-24.
Keywords
Software-Defined Networking
In-band control
Survey
Network bootstrapping
Fault recovery
Routing
Distributed control
Project
info:eu-repo/grantAgreement/CAM//S2018%2FTCS-4496/ES/TECNICAS AVANZADAS PARA POTENCIAR LA INTELIGENCIA DE LAS REDES 5G/TAPIR-CM
info:eu-repo/grantAgreement/UAH//CM-JIN-2021-006
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-116361RA-I00/ES/OPERACION Y GESTION DE REDES PROGRAMABLES PARA EL SOPORTE ACTIVO DE SERVICIOS CENTRADOS EN LOS USUARIOS/
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/publishedVersion
Publisher's version
https://doi.org/10.3390/electronics12061265Rights
Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
© 2023 The Authors
Access rights
info:eu-repo/semantics/openAccess
Abstract
Software-Defined Networking (SDN) is a thriving networking architecture that has gained popularity in recent years, particularly as an enabling technology to foster paradigms like edge computing. SDN separates the control and data planes, which are later on synchronised via a control protocol such as OpenFlow. In-band control is a type of SDN control plane deployment in which the control and data planes share the same physical network. It poses several challenges, such as security vulnerabilities, network congestion, or data loss. Nevertheless, despite these challenges, in-band control also presents significant opportunities, including improved network flexibility and programmability, reduced costs, and increased reliability. Benefiting from the previous advantages, diverse in-band control designs exist in the literature, with the objective of improving the operation of SDN networks. This paper surveys the different approaches that have been proposed so far towards the advance in in-band SDN control, based on four main categories: automatic routing, fast failure recovery, network bootstrapping, and distributed control. Across these categories, detailed summary tables and comparisons are presented, followed by a discussion on current trends a challenges in the field. Our conclusion is that the use of in-band control in SDN networks is expected to drive innovation and growth in the networking industry, but efforts for holistic and full-fledged proposals are still needed.
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