Let me rephrase that: Transparent optimization in SDNs
Let me rephrase that: Transparent optimization in SDNs
复制标题
让我重新表述一下：SDN 中的透明优化
DOI：
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发表时间：
2017
期刊：
影响因子：
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通讯作者：
M. Caesar
中科院分区：
文献类型：
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作者：
S. Prabhu;Mo Dong;Tong Meng;Brighten Godfrey;M. Caesar
如今的企业网络具有高度多样化的正确性要求和相对通用的性能目标。因此，企业网络的首选抽象是那些允许匹配正确性规范，同时透明地管理性能的抽象。然而，现有的SDN网络管理体系结构将正确性和性能捆绑为单一抽象。我们认为，这创造了一个SDN生态系统，不必要地难以构建、维护和发展。我们主张将不同的正确性抽象从通用性能优化中分离出来，以使SDN控制器和平台更容易发展。我们提出了Oreo，这是迈向SDN通用且相对透明的性能优化层的第一步。Oreo通过首先建立描述网络中每一流的模型来执行优化，然后在不破坏更高级别的正确性的情况下基于该模型执行网络范围的多目标优化。
Enterprise networks today have highly diverse correctness requirements and relatively common performance objectives. As a result, preferred abstractions for enterprise networks are those which allow matching correctness specification, while transparently managing performance. Existing SDN network management architectures, however, bundle correctness and performance as a single abstraction. We argue that this creates an SDN ecosystem that is unnecessarily hard to build, maintain and evolve. We advocate a separation of the diverse correctness abstractions from generic performance optimization, to enable easier evolution of SDN controllers and platforms. We propose Oreo, a first step towards a common and relatively transparent performance optimization layer for SDN. Oreo performs the optimization by first building a model that describes every flow in the network, and then performing network-wide, multi-objective optimization based on this model without disrupting higher level correctness.