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Virtual machine (VM) migration is a key technique for network resource optimization in modern data center networks. Previous work generally focuses on how to place the VMs efficiently in a static network topology by migrating the VMs with large traffic demands to close servers. As the flow demands between VMs change, however, a great cost will be paid for the VM migration. In this paper, we propose...
Proxy Mobile IPv6(PMIPv6) [1], as one of the most promising technologies for the next generation IP network, has attracted much attention in academia and industry. As an extension of PMIPv6, localized routing optimization can improve the performance of local communication greatly. However, recent study on localized routing optimizations only focus on singleaccess scenario, while the multi-access scenario...
A lot of transition mechanisms have been proposed and standardized in Internet Engineering Task Force (IETF), to support the coexistence and interoperability of IPv4 and IPv6. Among them, the 4over6/6over4 edge network tunneling technique has become a particular hot subject recently. To apply this technique into real ISP networks, there is a practical problem: planning the placement of the tunnel...
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