| dc.description.abstract | In this paper, we propose a heterogeneous riskaware
Software-Defined Networking (SDN) migration method for
designing survivable networks in the face of multiple correlated
failures. The migration method, which is implemented in one
shot, specifies how many nodes of each SDN implementation are
needed, and where such nodes must be located, in order to yield
an SDN migrated network with maximal survivability, when multiple
correlated failures impact the entire network connectivity.
We formulated the survivable SDN migration problem through
integer optimization, where the proposed cost function assesses
the survivability of the migrated network in terms of the number
of connected components after a failure. The numerical results
calculated over test networks show the capability of migration
method to provide survivable SDN topologies, which trade-off
the heterogeneity in the SDN implementations and the number
of shared risks.
Keywords—survivability, SDN migration, shared group risks,
heterogeneity. | |
