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Dynamic Multipath Forwarding in Software Defined Data Center Networks
Dynamic Multipath Forwarding in Software Defined Data Center Networks
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机译:软件定义的数据中心网络中的动态多路径转发
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摘要
A mechanism is provided in a logically centralized controller for dynamic multipath forwarding in a software defined network. The mechanism identifies a set of multiple forwarding paths for a flow. The mechanism assigns a virtual destination address for each multiple forwarding path in the set of multiple forwarding paths. The mechanism installs virtual destination address based forwarding rules in switches for each multiple forwarding path and installs rewriting rules in an egress switch for all paths in the set of multiple forwarding paths. Each rewriting rule rewrites one of the virtual destination address to the real destination address. The mechanism configures an ingress switch to dynamically select a path from the set of multiple forwarding paths based on a multipath policy and rewrite the destination address from the real destination address to a virtual destination address corresponding to the selected path.
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