Software Defined Networking Applications in Distributed by Heng Qi, Keqiu Li

By Heng Qi, Keqiu Li

This SpringerBrief offers crucial insights at the SDN software designing and deployment in allotted datacenters. during this e-book, 3 key difficulties are mentioned: SDN software designing, SDN deployment and SDN management.

This ebook demonstrates find out how to layout the SDN-based request allocation program in disbursed datacenters. It additionally offers ideas for SDN controller placement to install SDN in allotted datacenters. ultimately, an SDN administration method is proposed to assure the functionality of datacenter networks that are lined and regulated via many heterogeneous controllers.

Researchers and practitioners alike will locate this e-book a important source for additional research on software program outlined Networking.

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4 indicates that any adopted control path should be of cost at most δ . Finally, Eq. , xij = 1. 2 Efficient Controller Placement Approximation Algorithm Our controller placement problem is NP-hard because it is a generalized minimum k-median problem [9], which is one of the most widely studied NP-hard problems in location theory. While a number of algorithms with constant approximation ratios have been proposed for the classic minimum k-median problem, none of them can be directly applied to solve this controller placement problem.

Moreover, −f (Z) + μΦ (Z, Y) ≤ L2 as S ⊂ S1 . By utilizing Eq. 10, we have −f (Z) + μΦ (Z, Y) < −f (X) + μΦ (X, Y) for all X ∈ (0, 1)M×K×N \S1 . Thus, Z is required for X∗ (μ ). 2 Request Allocation Algorithm with a Software-Defined Networking. . 1 of [17] and the convexity of the feasible region in Eq. 9. Observe that the unique solution is obtained for Eq. , the variables are not close to 0 or 1. Motivated by this, we present a plenty term, which is defined by K M N γ ∑ ∑ ∑ Xjk,i 1 − Xjk,i , j=1 k=1 i=1 where γ > 0 is a penalty parameter.

N. Handigol, B. Heller, V. Jeyakumar, et al. Reproducible Network Experiments using Container based Emulation. Proceedings of the 8th International Conference on Emerging Networking Experiments and Technologies. ACM, 2012: 253–264. 15. POX Controller. org/pox/about-pox/. Chapter 4 Management System of Heterogeneous Software-Defined Networking Controllers Abstract In the previous chapter, we studied the controller placement problem to improve the performance of the distributed control plane. When placing multiple controllers into their proper positions, the management of controllers is an important problem.

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