於無線資料中心啟用一致性網路更新

Abstract

軟體定義網路(SDN)在一致性網路更新機制的可靠度與彈性上帶來新的機會，使得更新過程與底層路由協議無關。隨著無線傳輸技術的進步，越來越多的企業將無線天線佈署在他們的無線資料中心裡。然而，盡我們所知，目前沒有任何的解決方案有將無線干擾考慮進一致性網路更新的模型設計中。當網路資源匱乏時，資源競爭的現象將可能發生，延長整體更新完成的時間。在本篇論文中，用來處理無線干擾的無線資源依賴模型先被提出。接著，為了減緩資源競爭的現象，一個啟發式的貪婪解決方案被提出。根據模擬的結果，本論文所提出的方法可以有效得於無線資料中心內完成一致性網路更新。這些結果也透露了在一致性網路更新的過程中解決資源競爭的重要性。

Software-defined networking (SDN) brings new opportunities in design of more reliable and flexible consistent network update mechanisms by making the update process independent of the underlying routing protocols. With the advance of wireless transmission technology, increasing enterprise has deployed radio antennas into their wireless data center. However, to the best of our knowledge, none of the state-of-the-art solutions consider radio interference into their model design of consistent network update. When the network resource is deficient, the resource competition phenomenon may occur, which prolongs the total update completion time. In this thesis, the wireless resource dependency model is firstly proposed to handle the radio interference. Then, a greedy-heuristic solution is provided to alleviate the resource competition phenomenon. According to the simulation results, the proposed solution can efficiently complete consistent network update in wireless data center. These results also reveal the importance of solving resource competition during consistent network update.