With the development of SDN, end-to-end network reservation becomes a reality. Resource reservation can\nbecome an online service for network users, and the network faces new challenges on how to allocate users�\nresource dynamically. To solve the problem, this paper proposed a bat-based algorithm for SDN network\nscheduling along with a network request model. The network resource request model is for characterizing users�\nsimultaneous network resource request in SDN. Based on the model, this paper transforms the resource reservation\nproblem into a multiple-knapsack problem and proposes a bat algorithm to optimize the solution. Experiments\nshow that the proposed algorithm is better than greedy and dynamic programming algorithm. The major\ncontribution of this paper is to model the SDN users� resource requests and apply bat algorithm for the solution.
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