TY - GEN
T1 - Measuring robustness of SDN control layers
AU - Jimenez, Yury
AU - Cordero, Juan Antonio
AU - Cervello-Pastor, Cristina
N1 - Publisher Copyright:
© 2015 IEEE.
PY - 2015/6/29
Y1 - 2015/6/29
N2 - The controller placement problem remains a key aspect of Software Defined Networking (SDN). The selection of a suboptimal controller may impact severely the performance of the control layer and, in consequence, cause a substantial degradation in the data layer. Different approaches for controller placement have been proposed with various objectives in mind, but most of them do not consider the characteristics of the resulting control layer in terms of robustness. In this paper we propose and formalize a complete metric for estimating robustness of a SDN control layer, and we evaluate two heuristics for controller selection and control layer construction: Fast Failover and a simplified version of k-Critical. The results of the performed evaluation indicate that the control layer topology induced by k-Critical is less prone to failures, more robust and more homogenous than those computed by Fast Failover.
AB - The controller placement problem remains a key aspect of Software Defined Networking (SDN). The selection of a suboptimal controller may impact severely the performance of the control layer and, in consequence, cause a substantial degradation in the data layer. Different approaches for controller placement have been proposed with various objectives in mind, but most of them do not consider the characteristics of the resulting control layer in terms of robustness. In this paper we propose and formalize a complete metric for estimating robustness of a SDN control layer, and we evaluate two heuristics for controller selection and control layer construction: Fast Failover and a simplified version of k-Critical. The results of the performed evaluation indicate that the control layer topology induced by k-Critical is less prone to failures, more robust and more homogenous than those computed by Fast Failover.
KW - Software Defined Networking (SDN)
KW - control layer
KW - controller placement
KW - data layer
KW - robustness
U2 - 10.1109/INM.2015.7140373
DO - 10.1109/INM.2015.7140373
M3 - Conference contribution
AN - SCOPUS:84942673076
T3 - Proceedings of the 2015 IFIP/IEEE International Symposium on Integrated Network Management, IM 2015
SP - 774
EP - 777
BT - Proceedings of the 2015 IFIP/IEEE International Symposium on Integrated Network Management, IM 2015
A2 - Badonnel, Remi
A2 - Xiao, Jin
A2 - Ata, Shingo
A2 - De Turck, Filip
A2 - Groza, Voicu
A2 - dos Santos, Carlos Raniery P.
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 14th IFIP/IEEE International Symposium on Integrated Network Management, IM 2015
Y2 - 11 May 2015 through 15 May 2015
ER -