Fast Timescale Traffic Engineering in MPLS Networks

Traffic engineering can be used to solve congestion through efficient traffic distribution. The network with differentiated classes of service is the main focus in this work. In general, providers offer QoS guaranteed in high priority class by serving the packets from that class before the packets from low-priority class. This strategy will work as long as the high priority traffic share is low (5-10%). We are interested in increasing that high priority traffic share. However, the large share of high priority class could lead to a QoS-violation risk. Moreover, it could decrease the goodput of the low-priority traffic as a result of its elastic nature, for example, from the congestion control in TCP. We present two works based on the fast timescale traffic engineering. The first work focuses on the flow migration among the parallel working paths. The potential usefulness of fast timescale migration control is explored with packet-level simulation and experimental testbed. The migration …

Author: Phuvoravan, Surapich

Source: University of Maryland

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