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SDN Update for Multi-Commodity Flow
Network flow update
|Issue Date: ||2018-10-01 12:11:40 (UTC+8)|
|Abstract: ||為了滿足使用者的即時要求，網路設定需要頻繁地被更新。如今的網管人員可以透過軟體定義網路技術輕鬆地更新網路設定。然而，網路更新期間可能會造成許多不良副作用，如迴圈或是網路壅塞。給定當下的網路設定，本論文考慮使用者的優先權，在避免更新的副作用的情況下，計算出最大化系統效率的網路流設定，與對應的更新順序。我們的方法基於線性規劃。實驗顯示我們的方法在兩個常見的資料中心網路拓樸，Fat-Tree 與 BCube，有良好的表現。|
To satisfy users’ real-time demands, network configurations have to be updated frequently. Nowadays, network operators can easily update network configurations through Software-Defined Network technology. However, during the period of network update, several bad side effects may occur, including loops and congestions. Given the current network configuration, this thesis jointly considers user priority and computes a new network configuration that maximizes the efficiency of the system under the constraint that no bad side effects can happen during the period of update. We also give the corresponding update sequence. Our solution is based on linear programming. Simulation results have shown that our solution has good performance in Fat-Tree and BCube, which are common data center topologies.
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|Source URI: ||http://thesis.lib.nccu.edu.tw/record/#G0105753038|
|Data Type: ||thesis|
|Appears in Collections:||[資訊科學系] 學位論文|
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