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- W1619901298 abstract "We present a new algorithm and framework for dynamic of bandwidth guaranteed flows. The problem is motivated by the need todynamically set up bandwidth guaranteed paths in carrier and ISP networks. Traditional algorithms such as hop or widest path do not take advantage of any knowledge about the distribution or ingress-egress pairs, and therefore can often lead to severe network underutilization. Our work is inspired by the recently proposed minimum interference routing algorithm (MIRA) of Kodialam and Lakshman, but it improves on their approach in several ways. Our main idea is to use a traffic of the network, obtained by measurements or service level agreements (SLAs), as a rough predictor of the future distribution. We use this profile to solve a multicommodity network flow problem, whose output is used both to guide our online path selection algorithm as well as impose admission control. The offline multicommodity solution seems very effective at distributing the routes and avoiding bottlenecks around hot spots. In particular, our algorithm can anticipate a flow's blocking effect on groups of ingress-egress pairs, while MIRA only considers one ingress-egress pair at a time. Our simulation results show that the new algorithm outperforms shortest path, widest path, and interference algorithms on several metrics, including the fraction of requests routed and the fraction of requested bandwidth routed. Finally, the framework is quite general and can be extended in numerous ways to accommodate a variety of management priorities in the network." @default.
- W1619901298 created "2016-06-24" @default.
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- W1619901298 date "2001-01-01" @default.
- W1619901298 modified "2023-10-17" @default.
- W1619901298 title "Profile-Based Routing: A New Framework for MPLS Traffic Engineering" @default.
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- W1619901298 doi "https://doi.org/10.1007/3-540-45412-8_11" @default.
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