Green Segment Routing

从经济和生态的角度来看，IT资源的最佳利用是一个重要的挑战。在电信领域，解决这些挑战的研究被称为流量工程。该项目致力于以能源优化为目标的单个自治系统的流量工程。这一目标是通过使用段路由来实现的。通过使用分段路由，可以经由网络内的某些控制点来引导分组。我们认为段路由是完全控制和简单最短路径之间的折衷，可以在实际网络中实现。在这个项目中，我们将通过使用段路由来开发流量工程策略。优化的主要目标是能源效率，但不会危及网络的鲁棒性。一个基本的挑战是计算精确解的复杂性。在我们以前的工作中，我们已经意识到，通过考虑现实世界的限制，典型的拓扑结构段路由流量工程接近实际的可计算性。如果我们将能源效率作为一个额外的约束条件，我们会看到在计算实际场景的精确解决方案方面存在巨大的挑战。因此，在本合作项目中，我们将进行算法研究，以及以能源效率为目标的分段路由的实用性研究。

The optimal utilization of IT resources is an important challenge from an economic as well as an ecological viewpoint. In the area of telecommunications, research that addresses such challenges is called traffic engineering. This project addresses traffic engineering for single autonomous systems with the goal of energy optimization. This goal is approached by the use of segment routing. By using segment routing, packets can be steered via certain control points within a network. We see segment routing as a compromise between full control and simple shortest paths that can be implemented in practical networks. In this project, we will develop traffic engineering strategies by using segment routing. The main goal of the optimizations is energy efficiency, but without jeopardizing the robustness of the network. One fundamental challenge is the complexity to calculate exact solutions. Within our previous work, we have realized that traffic engineering via segment routing on typical topologies considering real-world constraints is close to practical computability. If we add energy efficiency as an additional constraint, we see big challenges in calculating exact solutions for practical scenarios. Thus, in this joint project, we will conduct algorithmic research as well as research on the practical applicability of segment routing with the goal of energy efficiency.