Data Replication and Virtual Machine Migrations to Mitigate Network Overhead in Edge Computing Systems. - Nikos Tziritas; Maria G. Koziri; Areti Bachtsevani; Thanasis Loukopoulos; George I. Stamoulis; Samee U. Khan; Cheng-Zhong Xu 001 (IEEE Trans. Sustain. Comput., 2017)