Traffic engineering using overlay network

Ryoichi Kawahara*, Noriaki Kamiyama, Tatsuya Mori, Haruhisa Hasegawa

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We present a method of controlling the traffic of individual services by using an overlay network, which lets us flexibly add various functionalities. The overlay network provides control functionalities such as for constructing an overlay network topology for each service, calculating the optimal route for its quality of service (QoS), and caching content to reduce the amount of traffic. By applying traffic engineering taking into account each service's QoS requirements, this overlay network can overcome the problem of indiscriminate QoS degradation when the network becomes congested due to a sudden increase in traffic for a particular service.

Original languageEnglish
JournalNTT Technical Review
Issue number9
Publication statusPublished - 2010 Sept
Externally publishedYes

ASJC Scopus subject areas

  • Computer Science Applications
  • Computer Networks and Communications
  • Electrical and Electronic Engineering


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