Flow-aggregated traffic-driven label mapping in label-switching networks

Kenichi Nagami; Yasuhiro Katsube; Hiroshi Esaki; Osamu Nakamura

doi:10.1117/12.333727

16 December 1998 Flow-aggregated traffic-driven label mapping in label-switching networks

Kenichi Nagami, Yasuhiro Katsube, Hiroshi Esaki, Osamu Nakamura

Proceedings Volume 3529, Internet Routing and Quality of Service; (1998) https://doi.org/10.1117/12.333727
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

Abstract

Label switching technology enables high performance, flexible, layer-3 packet forwarding based on the fixed length label information mapped to the layer-3 packet stream. A Label Switching Router (LSR) forwards layer-3 packets based on their label information mapped to the layer-3 address information as well as their layer-3 address information. This paper evaluates the required number of labels under traffic-driven label mapping policy using the real backbone traffic traces. The evaluation shows that the label mapping policy requires a large number of labels. In order to reduce the required number of labels, we propose a label mapping policy which is a traffic-driven label mapping for the traffic toward the same destination network. The evaluation shows that the proposed label mapping policy requires only about one tenth as many labels compared with the traffic-driven label mapping for the host-pair packet stream,and the topology-driven label mapping for the destination network packet stream.

Citation Download Citation

Kenichi Nagami, Yasuhiro Katsube, Hiroshi Esaki, and Osamu Nakamura "Flow-aggregated traffic-driven label mapping in label-switching networks", Proc. SPIE 3529, Internet Routing and Quality of Service, (16 December 1998); https://doi.org/10.1117/12.333727

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