… network resource utilization by slicing substrate network infrastructures into isolated virtual
networks and allowing the virtual networks to share the resources of substrate network [3]–[5]. …

… normal virtual machines (VMs) to be mapped on a network of … that host logical links of virtual
network demands. Similarly, … of algorithms for mapping and scheduling of virtual network …

… Besides, previous work 6 uses k-shortest path (KSP) for the virtual link mapping when … )
algorithm instead; however, if we adopt the same virtual link mapping algorithms, our algorithm …

… We present an integer linear programming formulation for this optimization … Optimization
algorithm to approximate this problem. Extensive simulation results show that our algorithms …

… In addition, while we are providing virtual networks, we must ensure that virtual network
services have the capability to respond to sudden failures. Therefore, for the sake of overcoming …

… To deal with the computational complexity of optimizing a large number of virtual network
function chains, they have designed a simple, low-complexity heuristic algorithm that seeks to …

… We evaluate two variants of our optimization algorithm of Section III-A: price search and
coverage search. The price search uses price values to exhaustively search for the optimal …

… a virtual network embedding algorithm based on modified genetic algorithm, improved the
classical genetic algorithm … optimization algorithm to the discrete virtual network embedding …

… resources from one or more InPs, the Virtual Network Operator (VNO) which installs, …
virtual networks in a substrate network is the main resource allocation challenge in network …

… to solve the virtual network embedding problem, as a simultaneous optimization of virtual
nodes and links placement, providing the optimal boundary for each virtual network mapping. …