| Summary: | 碩士 === 國立中央大學 === 資訊工程學系 === 102 === Nowaday, Infrastructure as a Service (IaaS) becomes more and more popular in the age of cloud computing. As a result, availability of network services in live Virtual Machine (VM) migration becomes an important issue. In this research, we propose a new mechanism to keep network services connection alive during live virtual machine migration over Wide Area Networks (WANs), called ArcticTern. Moreover, we provide a way to migrate virtual machines into another subnet while keeping the client connection alive. ArcticTern will integrate into a Distributed Denial of Service (DDoS) Defense System. With other part of DDoS Defense System, we expect VM will migrate to another host that is not in the same subnet automatically. DDoS Defense System will also filter future connection to blocking malicious connections. By mass deploying the DDoS Defense System with ArcticTern functionality, we expect it will avoid DDoS Attack.
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