Cloud computing 1 Cloud environment 1 Cloud environments 1 Cloud platforms 1 Cloud-computing 1 Cost reduction 1 E-learning 1 Educational platforms Energy efficiency 1 Energy utilization 1 Genetic algorithms 1 Green computing 1 Hybrid GA 1 Hybrid ga-mpso 1 Hybrid genetic algorithms 1 Modified particle swarm optimization algorithms 1 Network security 1 Optimizing resource 1 Optimizing resources 1 Particle swarm optimization (PSO) 1 Scheduling 1 Scheduling algorithms 1 Virtual machine 1 Virtual machine scheduling 1